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Can Air Conditioning Make You Sick?

What You Should Know About AC and Your Health

Many homeowners enjoy the comfort air conditioning provides during Ohio’s humid summers, but a common concern is: can air conditioning make you sick? The short answer is — not directly. But if your AC system isn’t properly maintained, it can contribute to health issues like allergies, respiratory discomfort, and fatigue.

How Your AC Could Be Affecting Your Health

Your air conditioner works by circulating air throughout your home, and if that air contains contaminants, it can lead to symptoms like:

  • Sneezing, coughing, or irritated sinuses

  • Dry skin, eyes, or throat

  • Worsening asthma or allergy symptoms

  • Fatigue or headaches from poor air circulation

These problems are usually caused by dirty air filters, mold in ductwork, or poor indoor air quality from a lack of routine HVAC maintenance.

The Importance of Proper HVAC Maintenance

Regular HVAC tune-ups can help eliminate many of these risks. When you schedule service with a licensed technician, they’ll inspect the system for:

  • Mold or mildew buildup

  • Dirty or clogged filters

  • Low humidity levels

  • Ventilation issues

Changing your air filters regularly and scheduling seasonal maintenance can keep your indoor air fresh and healthy year-round.

We recommend checking out our full air conditioning repair services for more information on how we help you stay comfortable and safe.

Where We Serve

Lochard HVAC, Plumbing, and Service provides trusted HVAC repair, maintenance, and air quality services in:

If you’re in one of these areas and concerned your AC might be making you sick, we’re here to help keep your air clean and your system running safely.

Breathe Easier with Trusted HVAC Experts

Worried your AC is affecting your health? Let Lochard HVAC, Plumbing, and Service inspect your system and improve your indoor air quality. Contact us today to schedule your maintenance or repair service.

FAQs

What are the symptoms of air conditioning sickness?

Air conditioning sickness often includes symptoms like dry throat, coughing, headaches, fatigue, irritated sinuses, or even worsened allergy or asthma symptoms. These issues are commonly linked to poor indoor air quality, dirty air filters, or mold in the AC system. If you notice these symptoms mostly while indoors or when your air conditioner is running, it may be time to inspect your HVAC system.

Can sleeping with AC on make you sick?

Yes, sleeping with the air conditioner on can cause health issues if the unit isn’t properly maintained. Cold, dry air can irritate your respiratory system, leading to sore throat, sinus congestion, or dry skin. Poor airflow or dirty filters can also circulate dust, pollen, and bacteria while you sleep.

Can fumes from an air conditioner make you sick?

If you notice a chemical smell or fumes coming from your air conditioner, it could be a sign of refrigerant leaks, mold, or burned-out wiring — all of which can pose health risks. Prolonged exposure may result in dizziness, headaches, or nausea. If you suspect something is off, you should have an HVAC technician inspect your system immediately.

How to get rid of air conditioner sickness?

To reduce or eliminate air conditioner-related illness, start with routine AC maintenance, change your air filters regularly, and consider installing an indoor air quality solution such as an air purifier or humidifier. Cleaning your air ducts and ensuring proper humidity levels can also help prevent bacteria, dust, and mold from spreading through your home.

Can you get sick from being in AC too long?

Extended exposure to air conditioning—especially in poorly ventilated spaces—can lead to symptoms like respiratory irritation, dry eyes, or sinus problems. If your AC is not properly filtering or circulating air, contaminants can accumulate indoors. It’s important to maintain your HVAC system to support healthy, balanced airflow throughout your home.

If you’re concerned that your HVAC system might be affecting your health, schedule a maintenance visit or air quality assessment with Lochard HVAC, Plumbing, and Service today. Let us help you stay comfortable and healthy.

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How to Clean Air Conditioner Coils

Understanding the Importance of Clean AC Coils

If you’ve been wondering how to clean air conditioner coils, you’re not alone. It’s one of the most common maintenance tasks homeowners consider when their cooling system isn’t working as efficiently as it should. Dirty coils can reduce airflow, strain the system, and spike your energy bills. At Lochard HVAC, Plumbing, and Service, we know how critical it is to keep your AC system in top shape—especially during the hottest months in places like Troy, Sidney, Celina, Bellefontaine, Piqua, and Tipp City.

Why Clean Air Conditioner Coils Matter

Your air conditioner has two main coils: the evaporator coil inside your home and the condenser coil in the outdoor unit. These coils play a crucial role in heat exchange, which allows your AC to cool your home. When they’re dirty, the system works harder, causing wear and tear and higher utility bills.

You might notice:

Routine air conditioning maintenance ensures your system stays clean and efficient.

How to Clean Air Conditioner Coils: Step-by-Step

While we always recommend calling in a professional for a deep clean, homeowners can take a few simple steps to maintain coil cleanliness between tune-ups.

1. Turn Off Power to the Unit
Safety first—always shut off the power at the disconnect box or circuit breaker.

2. Remove Debris from the Outdoor Unit
Clear away leaves, grass, and dirt. Use a soft brush to gently remove buildup on the condenser coil fins.

3. Spray the Coils
Apply a no-rinse coil cleaner or a mild detergent and water mix. Let it sit, then gently rinse with a garden hose. Be careful not to bend the fins.

4. Clean the Evaporator Coil Inside
Accessing this coil is more complex. If you’re unsure, leave it to our team. We handle AC coil cleaning and more during routine system maintenance.

When to Call a Professional

If you’re noticing reduced cooling or your unit hasn’t been cleaned in over a year, it’s best to schedule professional service. At Lochard HVAC, Plumbing, and Service, our licensed techs can inspect, clean, and optimize your AC system for peak performance. We also provide complete HVAC services that extend the lifespan of your system.

Serving Ohio with Quality HVAC Service

From West Milton and New Bremen to Anna, Jackson Center, Degraff, and Quincy, our team provides prompt, professional service you can trust. Whether it’s routine AC maintenance or emergency repairs, we’re proud to serve our community with integrity and expertise.

Ready to Get Your AC Back on Track?

Don’t let dirty coils drain your comfort and energy. Schedule your AC maintenance with Lochard HVAC, Plumbing, and Service today. Our experienced technicians are here to keep your system running smoothly and efficiently.

Schedule AC service or call us today to book your appointment.

FAQs

Can I clean my air conditioner coils myself?

Yes, you can clean your air conditioner coils yourself—especially the outdoor condenser coils. Using a soft brush to remove debris and a coil-safe cleaner can help maintain efficiency. However, indoor evaporator coils are harder to access and best left to HVAC professionals to avoid damaging the system or missing hidden issues that affect performance.

Is it okay to spray water on your air conditioner while running?

You can lightly spray your outdoor AC unit with water to rinse off dust and debris, but it’s best to do this while the unit is off. Spraying water directly on your air conditioner while it’s running could affect electrical components or disrupt normal operation. Always turn off power before cleaning coils or the surrounding unit.

What not to clean AC coils with?

Avoid using harsh chemicals like bleach, ammonia, or acidic cleaners when cleaning air conditioner coils. These substances can corrode the aluminum fins or copper tubing, leading to costly damage. Also, don’t use high-pressure washers, as they can bend or crush the coil fins, reducing airflow and efficiency.

Does cleaning coils make AC colder?

Absolutely—cleaning dirty AC coils improves heat transfer, allowing your system to cool your home more effectively. When evaporator and condenser coils are clogged with dirt or debris, your system works harder, often blowing warmer air or struggling to reach the set temperature. Clean coils restore optimal performance and help reduce energy costs.

Can I use Dawn dish soap on my AC coils?

Yes, a mild detergent like Dawn dish soap diluted with water can be used to clean AC coils, especially if you don’t have a commercial coil cleaner. Just mix a few drops with warm water, apply gently with a spray bottle, let it sit, and then rinse thoroughly. Be sure not to soak any electrical components or use too much water.

Need professional help maintaining your AC system? Schedule your next AC tune-up with Lochard HVAC, Plumbing, and Service to keep your cooling system running at peak efficiency.

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Is It Normal for AC to Make Some Noise?

Common AC Noises: What’s Normal and What’s Not?

It’s a hot summer day in Troy, and your air conditioner kicks on—then you hear a strange noise. You might wonder: Is it normal for AC to make some noise? The short answer is yes—some sounds are expected. However, certain noises signal a problem with your HVAC system that needs attention. At Lochard HVAC, Plumbing, and Service, we help homeowners in Piqua, Sidney, Bellefontaine, Troy, Celina, and Tipp City understand what their system is telling them before it turns into a bigger issue.

What AC Sounds Are Considered Normal?

When an air conditioner turns on, you might hear a soft hum or a brief click. These sounds typically come from:

  • The compressor starting up

  • Air moving through the ducts

  • The fan spinning

These gentle operational sounds are no cause for concern. If your system is otherwise cooling properly and running efficiently, your AC is likely in good shape.

When Noise Means Trouble

Loud or unusual AC noises, however, usually signal a mechanical issue. Here are some common sounds you should never ignore:

  • Banging or clanking – These can indicate a loose or broken part inside the compressor.

  • Buzzing – Often caused by electrical issues or debris near the unit.

  • Squealing or screeching – May point to a worn belt or a problem with the blower motor.

  • Hissing – Could be a refrigerant leak or an issue with the internal valve.

If you’re hearing any of these sounds, your system might be due for an AC repair or maintenance service. Ignoring them can lead to system breakdowns and costly repairs.

What Causes Noisy Air Conditioners?

Over time, wear and tear on your HVAC system can cause components to loosen or malfunction. In homes throughout West Milton, New Bremen, and Anna, we frequently service units with noise issues caused by:

  • Loose fan blades or motor mounts

  • Dirty condenser coils

  • Failing capacitors

  • Refrigerant leaks

  • Poor installation or lack of maintenance

If your AC is older or hasn’t been serviced in a while, it may just need a thorough HVAC tune-up to quiet things down.

How to Prevent Noisy AC Problems

Preventative maintenance is key to keeping your system quiet and efficient. Our team offers HVAC maintenance services that include tightening loose components, cleaning internal parts, and checking for issues before they get worse. By scheduling seasonal tune-ups, homeowners in Jackson Center, Degraff, and Quincy can avoid sudden breakdowns—and the noises that often precede them.

When to Call a Professional

If you’re wondering is it normal for AC to make some noise and you notice anything louder than a low hum or occasional click, it’s best to call in a professional. Unusual sounds usually don’t fix themselves—and delaying a service call can lead to more expensive repairs down the line.

While some AC noise is normal, anything loud, persistent, or unusual should be checked out by a licensed HVAC technician. Whether you’re in Piqua, Casstown, or Kettlersville, our team at Lochard HVAC, Plumbing, and Service can diagnose the issue and restore your system to quiet, efficient operation.

Get Fast, Reliable AC Repair Near You

Don’t wait for a minor noise to turn into a major breakdown. If your air conditioner is making unusual sounds, schedule a service with Lochard HVAC, Plumbing, and Service. We proudly serve homeowners across Piqua, Troy, Sidney, Bellefontaine, Celina, Wapakoneta, and more.

Let’s keep your home cool—and quiet.

FAQs

Is it normal for an AC to make noise?

Yes, it’s normal for your air conditioner to make a low humming, clicking, or whooshing sound when it starts up and runs. These sounds typically come from the compressor, fan, or air movement through the ducts. However, if you hear loud banging, buzzing, screeching, or rattling, it could point to a mechanical issue or worn part that needs attention.

What is the normal sound of the air conditioner?

A healthy air conditioner typically produces a soft hum when operating. You may also hear occasional clicks as it cycles on or off. These sounds are consistent and not disruptive. If your AC is making grinding, hissing, or clanking noises, it’s best to have it inspected for potential issues with the motor, compressor, or refrigerant lines.

Should you be able to hear your air conditioner?

Some sound is expected, especially from outdoor units, but you shouldn’t hear loud or disruptive noises indoors. A properly functioning central AC system should be quiet enough not to disturb your daily activities. Unusual or increasing noise levels may indicate problems with the blower motor, fan blades, or dirty components.

What does a bad AC sound like?

A failing air conditioner may make a range of abnormal sounds such as screeching (worn fan belt), hissing (refrigerant leak), banging (loose parts in the compressor), or buzzing (electrical issue). These noises often indicate that a part is breaking down and should be looked at before the system fails completely.

Should I turn off my AC if it’s making noise?

If your air conditioner suddenly starts making loud or strange noises, it’s smart to turn it off and avoid further damage. Continuing to run a noisy system can worsen the issue and lead to more expensive repairs. Shutting it down allows a technician to safely inspect and diagnose the problem without additional wear on the unit.

Need help diagnosing a noisy AC? Schedule a service with Lochard HVAC, Plumbing, and Service. We’ll help you get your system running smoothly and quietly again.

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AC Condenser vs. Compressor: What’s the Difference?

Understanding Your HVAC System Components

When you’re trying to figure out what is an AC condenser vs. compressor, it’s easy to get confused. These are two of the most essential parts of your air conditioning system—and while they work together, they perform very different roles.

At Lochard HVAC, Plumbing, and Service, we regularly help homeowners across Troy, Piqua, Sidney, Bellefontaine, Celina, and Tipp City understand the components in their HVAC systems, especially when they’re considering repairs or new installations. Knowing how your AC condenser and compressor work can help you better recognize early warning signs and extend the life of your system.

What Does an AC Compressor Do?

The compressor is often referred to as the “heart” of your HVAC system. Its main job is to compress the refrigerant gas, which raises its temperature and pressure. That pressurized refrigerant then moves through the system to begin the cooling cycle. Without the compressor, refrigerant can’t circulate properly—making it impossible for your AC to cool your home efficiently.

What Is the Role of the AC Condenser?

After the refrigerant is compressed, it flows to the condenser. Located in the outdoor unit, the condenser is responsible for releasing the heat the refrigerant absorbed inside your home. As it cools down, the refrigerant turns back into a liquid state and circulates back inside, repeating the process to maintain a cool indoor environment.

Key Differences Between an AC Condenser and Compressor

Here’s a quick comparison of the two components:

  • Function: The compressor pressurizes the refrigerant gas; the condenser releases heat from the refrigerant.

  • Placement: Both are located in your outdoor AC unit.

  • Role in Cooling: The compressor starts the cooling cycle; the condenser finishes it.

Together, they make your air conditioner run efficiently—but each plays a very different role.

When to Call for AC Service

If your air conditioner isn’t cooling effectively, it could be a problem with either the condenser or the compressor. Common signs include:

  • Warm air blowing from vents

  • Loud noises coming from your outdoor unit

  • System constantly turning on and off

  • Higher-than-normal energy bills

If you’re experiencing any of these issues, we offer expert air conditioning repair and diagnostics across all our service areas.

Serving Miami and Shelby County Homes

Lochard HVAC, Plumbing, and Service proudly serves:

We’ve been helping homeowners in Ohio with trusted HVAC and plumbing service for years. Whether you need a quick fix, seasonal maintenance, or a new AC installation, we’re here to help.

Need Help with Your AC System?

If you’re not sure whether your system has a compressor issue or a faulty condenser, don’t wait. Our experienced technicians can quickly identify the problem and offer the right solution—whether it’s a repair or a full system replacement.

Need a second opinion on your AC system? Contact Lochard HVAC, Plumbing, and Service for trusted air conditioning repairs, replacements, and full HVAC system services in Troy, Piqua, Sidney, Casstown, Kettlersville, and beyond.

FAQs

Is an AC condenser the same as a compressor?

No, the condenser and compressor are separate components in your air conditioning system. The compressor pressurizes refrigerant and sends it through the system, while the condenser releases heat from the refrigerant to the outside air.

How do I know if my AC compressor or condenser is bad?

If your AC isn’t cooling properly, makes unusual noises, or frequently trips breakers, there could be an issue with the compressor. A faulty condenser might cause refrigerant leaks, poor cooling performance, or the outdoor unit to overheat. A professional inspection can help pinpoint the problem.

Is the AC condenser inside or outside?

The AC condenser is located in the outdoor unit of your HVAC system. It plays a key role in releasing heat from your home to the outside.

How much does it cost to replace an AC compressor and condenser?

Replacement costs typically range between $2,000 and $5,000, depending on system size, unit type, and labor. In some cases, it may be more cost-effective to upgrade the entire outdoor unit if both components are aging.

Do I need to replace the AC condenser with the compressor?

Not always, but replacing both at the same time is often recommended—especially for older systems—to ensure compatibility and maximize efficiency. A trusted HVAC technician can help you determine the best course of action.

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What Is the Average Cost to Install an AC?

How Much Does It Really Cost to Install a New AC?

When the summer heat kicks in, the last thing any homeowner wants is a struggling or broken AC unit. One of the most common questions we hear from customers in Troy, Piqua, Sidney, Bellefontaine, Celina, and Tipp City is: What is the average cost to install an AC? The answer depends on a variety of factors, from the size of your home to the system’s energy efficiency rating. At Lochard HVAC, Plumbing, and Service, we believe in transparency, which is why we’re breaking it all down for you here.

Understanding the Average AC Installation Cost

The average cost to install a central air conditioning system ranges from $4,000 to $10,000 in Ohio. For most residential homes, you can expect the final price to fall between $5,500 and $7,500. This price range includes equipment, labor, and any necessary ductwork or electrical upgrades.

That said, many variables affect the final installation cost:

  • System Size (BTUs or tonnage)
    Larger homes require more cooling power, which increases the cost.

  • SEER Rating (Seasonal Energy Efficiency Ratio)
    Higher SEER ratings improve energy efficiency but often come with a higher upfront price.

  • Type of System
    Whether you’re installing a traditional split system, a ductless mini-split, or upgrading an existing unit will impact the cost.

  • Home Layout and Ductwork
    Older homes may require ductwork modifications or new duct installation, which adds to labor costs.

  • Local Climate and Building Code Requirements
    Ohio weather and compliance with local codes in areas like West Milton and New Bremen can affect material and permit costs.

Installation with Long-Term Savings in Mind

While the upfront cost can be significant, today’s air conditioners offer higher efficiency and better indoor air quality. Upgrading to an ENERGY STAR® rated unit can significantly lower your utility bills and provide consistent, reliable comfort.

We also recommend routine maintenance after installation. Our AC maintenance and repair services help prevent breakdowns, extend system life, and protect your investment.

Flexible Financing Options

Worried about the upfront cost? At Lochard Inc., we make comfort accessible with HVAC financing options designed to fit your budget. Whether you’re replacing a broken system or upgrading for better performance, we can help make it affordable with low monthly payments.

Serving Your Ohio Community

From quick installs in Anna to full system upgrades in Jackson Center, Lochard HVAC, Plumbing, and Service proudly serves:

Our local technicians are known for fast, professional HVAC service and honest advice backed by decades of experience.

Get a Custom AC Installation Quote

Every home is different—and so is every AC install. The best way to get an accurate estimate is to book a consultation. Whether you’re dealing with an outdated unit or building a new home, Lochard HVAC, Plumbing, and Service is here to help you stay cool and comfortable.

Schedule an estimate today or call us to learn more about the best AC system for your needs and budget.

FAQs

How much does it cost to have someone install an AC unit?

The cost to install an AC unit varies based on the type of system, home size, and installation complexity. Typically, professional installation ranges from $3,000 to $7,000. Factors like labor, ductwork adjustments, and the quality of the equipment influence the final price.

What is the $5000 rule for HVAC?

The “$5000 rule” is a general estimate for replacing both heating and cooling systems. Many homeowners budget around $5,000 for a mid-range HVAC system installation, though actual costs depend on system efficiency, brand, and installation specifics.

How much does it cost to put AC in a 2000 sq ft house?

For a 2,000 square foot home, installing central AC usually costs between $4,000 and $7,000. The price depends on system type, energy efficiency, ductwork condition, and local labor rates.

Why is AC installation so expensive?

AC installation costs can be high due to the skilled labor involved, electrical work, duct system modifications, and the cost of quality HVAC equipment. Permits and ensuring the system is properly sized for efficiency also add to the expense.

Does homeowners insurance cover AC units?

Most homeowners insurance policies don’t cover routine AC repairs or wear and tear but may cover damage caused by events like storms, fire, or theft. It’s important to check your specific policy to understand what’s included.

If you have more questions about HVAC installation costs or want personalized guidance, reach out to us anytime!

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The Best Way to Finance a New HVAC System

Smart Solutions for Affordable Home Comfort

Upgrading to a new HVAC system is one of the smartest things you can do to boost comfort, improve indoor air quality, and reduce energy bills. But when it’s time for a replacement, the price tag can be a concern. If you’re wondering about the best way to finance a new HVAC system, Lochard HVAC, Plumbing, and Service is here to help.

We make financing simple and stress-free, with flexible options that work with your budget—so you can get the system you need without putting off the upgrade.

Why Finance Your HVAC System?

A new HVAC system can cost several thousand dollars, depending on your home’s size, the type of system you choose, and your installation needs. Financing gives homeowners the flexibility to:

  • Spread out payments over time

  • Preserve savings or emergency funds

  • Upgrade to a more energy-efficient system

  • Avoid putting off necessary replacements

Whether you’re dealing with frequent breakdowns, rising utility bills, or an outdated system, financing can help you act now without the financial burden of a large lump-sum payment.

What’s the Best Way to Finance a New HVAC System?

There are several options available to homeowners when it comes to financing:

In-House Financing

Many homeowners choose in-house financing through an HVAC company like Lochard HVAC, Plumbing, and Service. These plans often come with promotional interest rates, flexible terms, and fast approvals.

Home Equity Loans or HELOC

If you’ve built up equity in your home, a loan or line of credit against it can provide a low-interest way to finance your HVAC system.

Personal Loans

Unsecured loans from a bank or credit union can also be a viable option. These don’t require collateral but may have slightly higher interest rates.

Credit Cards

Some homeowners opt to use credit cards, particularly those with low-interest intro periods or cashback rewards. This is better suited for smaller repair jobs or when you plan to pay off the balance quickly.

What to Consider When Choosing a Financing Option

Here are a few key things to look for:

  • Interest rate – Make sure the total cost over time makes sense

  • Loan term – Shorter terms may save money in the long run

  • Monthly payments – Choose a plan that fits your budget

  • Prepayment penalties – Some loans charge extra for early payoff

Our team can help you evaluate your options and find a plan that works for you.

Serving Your HVAC Needs Across West Central Ohio

Lochard HVAC, Plumbing, and Service proudly provides full-service HVAC and plumbing solutions to homes and businesses in:

No matter where you are in the region, our technicians deliver professional service with honesty, integrity, and expert care.

Let’s Make Your Comfort Affordable

If your HVAC system is aging or unreliable, don’t wait to replace it. The best way to finance a new HVAC system is with help from a local team that puts your comfort first. Lochard HVAC, Plumbing, and Service can help you find the right system—and the right financing plan—for your home.

Contact us today to learn more about our HVAC installation and financing options.

FAQs

How do people afford a new HVAC system?

Many homeowners afford a new HVAC system through flexible financing options offered by local HVAC companies, like in-house payment plans, low-interest loans, or home improvement financing programs. These options make it easier to invest in energy-efficient systems without large upfront costs, especially when unexpected HVAC breakdowns happen.

What is the best way to finance an HVAC system?

The best way to finance an HVAC system depends on your credit, budget, and timeline. In-house financing is often the most convenient and accessible, offering competitive rates and fast approval. Some homeowners also explore personal loans, home equity lines of credit, or HVAC financing through utility rebate programs.

Is it better to finance or pay cash for HVAC?

Paying cash for a new HVAC system can save you money on interest, but financing allows you to keep your savings intact and upgrade your system sooner. If your current system is failing or inefficient, financing can help you reduce monthly energy bills right away while spreading out payments.

What credit score do you need to finance an AC unit?

Most financing programs for air conditioners and HVAC systems require a minimum credit score in the mid-600s. However, some lenders and HVAC companies offer flexible financing options for a wider range of credit profiles, including promotional financing for qualified buyers.

How long can you finance HVAC?

HVAC financing terms typically range from 12 to 72 months, depending on the lender and your financial needs. Some plans offer low monthly payments over longer terms, while others allow you to pay off your system quickly with little or no interest during promotional periods.

Need help choosing the right financing option? Contact Lochard HVAC, Plumbing, and Service today—we’re happy to walk you through your best options and help you invest in long-term home comfort.

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How to Add Refrigerant to Your AC

Understanding Refrigerant and Its Role

When your air conditioner isn’t cooling the way it should, low refrigerant is often the culprit. If you’ve been Googling “how to add refrigerant to AC,” you’re not alone. It’s a common issue that can leave homes uncomfortably warm during Ohio’s hot summer months. However, recharging refrigerant isn’t a typical DIY job—and doing it wrong can cause major damage.

At Lochard HVAC, Plumbing, and Service, we specialize in keeping your AC system running efficiently and safely across Troy, Sidney, Piqua, Bellefontaine, Celina, and Tipp City. Below, we break down why your AC might need refrigerant, what the process involves, and why a licensed HVAC technician should handle it.

What Does Refrigerant Do?

Refrigerant is the chemical responsible for absorbing heat from inside your home and releasing it outside. When your system runs low, it can’t cool properly—leading to higher energy bills, short cycling, and poor indoor comfort. If you’re hearing your AC run but not feeling the cold air, you might need a refrigerant recharge.

Signs Your AC Might Be Low on Refrigerant

  • Your home isn’t cooling evenly or at all

  • Warm air is coming out of the vents

  • You notice ice on the refrigerant lines or evaporator coil

  • You hear a hissing or bubbling noise (which could indicate a leak)

  • Your energy bills are rising unexpectedly

Can You Add Refrigerant to Your AC Yourself?

Technically, refrigerant can be added, but only by a certified HVAC technician. It’s not a matter of just pouring in coolant. The system needs to be checked for leaks, evacuated, and recharged precisely to manufacturer specifications. Adding too much or too little can lead to compressor damage and system failure.

Improper handling can also be harmful to the environment and may even violate federal regulations. That’s why we always recommend scheduling a professional AC repair or cooling service with our trained team.

Our Professional Recharge Process

At Lochard HVAC, Plumbing, and Service, here’s what we do when your system needs refrigerant:

  1. Full System Inspection – We identify any potential refrigerant leaks or system issues.

  2. Leak Repair – If necessary, we seal the leak before any recharging happens.

  3. Evacuation – We remove all remaining refrigerant and moisture from the lines.

  4. Precise Recharge – We add the exact amount of refrigerant your unit needs.

  5. Performance Testing – We test the AC to make sure it’s cooling efficiently.

Serving Your Area

We proudly provide professional AC services in:

Need a Recharge? We’ve Got You Covered

If your AC isn’t cooling properly and you suspect low refrigerant, don’t try to fix it yourself. Contact Lochard HVAC, Plumbing, and Service for fast, reliable air conditioning service done right.

FAQs

Can I add my own refrigerant to my AC?

Adding refrigerant to your air conditioner yourself is not recommended. It requires specialized tools, proper safety precautions, and EPA certification. Overcharging or undercharging refrigerant can damage your system and even void your manufacturer’s warranty. If you’re searching “how to add refrigerant to AC,” it’s a sign to call a licensed HVAC professional who can inspect, diagnose, and recharge your system safely.

How do I know if my AC is low on Freon?

Common signs your AC is low on Freon include warm air blowing from the vents, weak airflow, ice buildup on refrigerant lines, or higher-than-usual energy bills. You might also hear a hissing sound near the unit, which could indicate a refrigerant leak. A proper diagnosis from a certified technician is the only way to confirm low refrigerant and identify the source of the issue.

How many cans of Freon does it take to recharge an air conditioner?

The number of refrigerant cans or pounds needed depends on your AC unit’s size, system type, and how much refrigerant has leaked. Residential units typically hold between 2 to 10 pounds, but adding refrigerant without knowing the system specifications can cause serious damage. An HVAC technician will use gauges to determine the exact amount needed.

How do I fix low refrigerant in my AC unit?

To fix low refrigerant in your AC, the system first needs to be inspected for leaks. Simply adding Freon won’t resolve the issue if there’s an underlying leak. After repairing any leaks, the system should be evacuated and recharged with the correct type and amount of refrigerant, which is something only a certified HVAC technician should handle.

Is it bad to run AC with low refrigerant?

Yes, running your air conditioner with low refrigerant can put excessive strain on the compressor and other components, leading to major AC system damage and reduced efficiency. It can also cause your system to freeze up or overheat. If your AC is running but not cooling, it’s best to shut it off and call for professional AC service.

Need help with low refrigerant or AC repairs? Lochard HVAC, Plumbing, and Service offers trusted cooling services in Troy, Sidney, Piqua, Casstown, Kettlersville, and nearby areas—backed by decades of experience and quality you can count on.

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Why Is My AC Not Blowing Cold Air?

Is Your AC Running but Not Cooling?

When summer heat hits and your air conditioner isn’t blowing cold air, it’s more than just an inconvenience—it can signal underlying issues. At Lochard HVAC, Plumbing, and Service, we understand how crucial a functioning AC is for comfort in Piqua, Troy, Sidney, Celina, Tipp City, and Bellefontaine. Let’s explore common reasons your AC might not be cooling effectively and how to address them.​

Common Reasons Your AC Isn’t Blowing Cold Air

1. Dirty or Clogged Air Filter

A dirty air filter restricts airflow, causing your AC to work harder and less efficiently. Regularly replacing or cleaning the filter can restore proper airflow and cooling performance.

2. Low or Leaking Refrigerant

Refrigerant is essential for cooling. Leaks can reduce cooling efficiency and damage the compressor. If you suspect a leak, it’s best to consult a professional for repair and recharging.

3. Frozen Evaporator Coil

A frozen coil can result from low refrigerant or poor airflow due to dirty filters. This prevents the AC from cooling properly. Turning off the unit to allow the coil to thaw and addressing the underlying issue is necessary.

4. Blocked or Dirty Condenser Coils

The condenser coils release heat from your home. If they’re dirty or blocked, heat transfer is impeded, reducing cooling efficiency. Cleaning the coils can improve performance. ​

5. Thermostat Issues

Incorrect settings or a malfunctioning thermostat can prevent your AC from cooling. Ensure it’s set to “cool” and the temperature is lower than the current room temperature. If problems persist, the thermostat may need replacement.

6. Leaky or Blocked Ductwork

Leaks or blockages in the ductwork can prevent cool air from reaching your rooms. Inspect ducts for visible damage or obstructions and consult a professional for repairs. ​

7. Tripped Circuit Breaker or Blown Fuse

Electrical issues can stop your AC from operating. Check your home’s circuit breaker or fuse box for any tripped breakers or blown fuses and reset or replace them as needed.

Preventive Measures

  • Regular Maintenance: Schedule annual AC tune-ups to keep your system running efficiently.​

  • Filter Replacement: Change or clean filters every 1-3 months, depending on usage and air quality.​

  • Thermostat Checks: Ensure your thermostat is functioning correctly and set appropriately.​

Need Professional Help?

If your AC isn’t blowing cold air and basic troubleshooting doesn’t resolve the issue, it’s time to call in the experts. At Lochard HVAC, Plumbing, and Service, we offer comprehensive AC repair and maintenance services to ensure your home stays comfortable year-round.​

Contact Lochard HVAC, Plumbing, and Service Today

Serving West Milton, New Bremen, Anna, Jackson Center, Degraff, and Quincy, we’re here to help with all your HVAC needs. Schedule an appointment online today to learn more.

FAQs

Why is my AC running but not cooling?

If your AC is running but not cooling, it could be due to a clogged air filter, low refrigerant levels, a malfunctioning thermostat, or dirty condenser coils. Each of these issues prevents the system from effectively removing heat from your home, resulting in warm airflow.

How do I fix my AC that isn’t blowing cold air?

Start with the basics: replace the air filter, check the thermostat settings, and inspect the outdoor unit for debris. If the problem continues, the issue could involve refrigerant levels, a frozen evaporator coil, or electrical faults—these typically require professional AC repair services.

How do I know if my AC is low on Freon?

Common signs of low Freon include weak airflow, warm air from vents, hissing or bubbling noises, ice buildup on the refrigerant lines, and higher-than-normal energy bills. An HVAC technician can confirm the levels and check for leaks.

How much does it cost to fill Freon in an AC unit?

The cost to refill Freon varies based on the type of refrigerant and how much your system needs. On average, it can range from $150 to $600 or more, especially if a leak must be repaired before the recharge.

How long does Freon last in an AC unit?

Freon should last the entire lifespan of your air conditioner—typically 10 to 15 years—unless there’s a leak. If your system frequently requires a recharge, there’s likely a leak that should be addressed.

If you’re still wondering “why is my AC not blowing cold air?” or you’re ready to schedule expert AC service, the team at Lochard HVAC, Plumbing, and Service is just a call away. From diagnostics and repairs to full AC replacement, we’re here to keep your home cool and comfortable.

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Which Way Does an Air Filter Go?

Tips for Proper HVAC Filter Installation

If you’ve ever stood in front of your HVAC system wondering which way does an air filter go?, you’re definitely not alone. While it seems like a simple task, installing your air filter in the wrong direction can lead to poor airflow, reduced efficiency, and even damage to your HVAC unit.

Let’s walk through how to properly install an HVAC filter, why it matters, and what homeowners in Troy, Sidney, Piqua, Bellefontaine, Celina, and Tipp City should keep in mind for better indoor air quality and HVAC performance.

Why Filter Direction Matters

Your HVAC system is designed to pull air in through the return duct, filter it, then push it back into your home. Air filters have a specific airflow direction, and installing them backward can restrict airflow, make your blower motor work harder, and allow unfiltered air into your system.

When airflow is blocked or misdirected, it not only lowers your indoor air quality but also increases energy usage and utility bills. Worse, it can shorten the lifespan of your HVAC equipment and lead to preventable breakdowns.

How to Tell Which Way the Air Filter Goes

Every air filter has an arrow printed on the frame that shows the correct airflow direction. Here’s how to install it correctly:

  • Locate the arrow on the filter – this indicates the direction the air should flow through the filter.

  • Point the arrow toward the HVAC unit – the arrow should face the blower motor or into the ductwork if it’s a return vent.

  • Insert snugly and securely – make sure the filter is aligned and seated properly to prevent air leaks.

Still unsure? If you have a wall or ceiling return vent, the arrow should face inward, toward the duct. If you’re installing at the unit itself, point the arrow inward toward the blower.

How Often Should I Change My HVAC Filter?

Changing your air filter regularly helps maintain efficiency and prevent wear on your system. We generally recommend:

  • Every 30–60 days for standard 1-inch filters

  • Every 90 days or longer for high-efficiency or thicker filters

If you have pets, allergies, or live in a dusty area, you may want to check and replace filters more frequently. Staying on top of this simple task can significantly reduce HVAC repair needs and improve your home’s air quality.

Common Signs Your Filter May Be Installed Incorrectly

  • Uneven airflow from vents

  • Rising energy bills

  • Excess dust in the home

  • HVAC system struggling to cool or heat

  • A whistling sound near the filter slot

If you’re seeing any of these signs, it’s worth double-checking that your air filter is installed correctly — and isn’t overdue for replacement.

Serving the Greater Miami Valley

At Lochard HVAC, Plumbing, and Service, we proudly help homeowners throughout:

From filter installation and HVAC repair to system upgrades, we’re here to make comfort easy and maintenance simple.

Need help with your HVAC system?

Whether it’s an air filter issue or something more, contact the trusted team at Lochard HVAC, Plumbing, and Service for expert service and honest solutions.

FAQs

How do I know which way my air filter goes?

Most air filters have an arrow printed on the frame that indicates the direction of airflow. This arrow should always point toward the HVAC unit or blower motor. If you’re installing the filter in a wall or ceiling return vent, the arrow should face inward toward the ductwork. Installing the filter in the correct direction ensures proper airflow, better indoor air quality, and prevents strain on your system.

Do arrows on air filters always point towards the blower?

Yes, the arrow on an air filter always points in the direction of the airflow — which means it should face the blower motor or furnace. Whether you’re changing a furnace filter or replacing an AC filter, the rule remains the same: air flows from the return side to the unit, and the arrow should follow that path.

What happens if I put the air filter in backwards?

If you install your air filter backwards, it can restrict airflow, lower your system’s efficiency, and even damage internal components like the blower motor or evaporator coil. A backwards filter won’t trap dust and debris properly, which can lead to clogged coils, reduced air circulation, higher energy bills, and unnecessary HVAC repairs.

Is there a wrong way to put in an air filter?

Yes — inserting the air filter the wrong way, especially against the airflow direction, can negatively affect your HVAC system. It may seem like the filter still fits, but when installed incorrectly, it can cause reduced efficiency, poor filtration, and even system damage over time. Always follow the airflow arrow on the filter for proper installation.

What if there is no arrow on the air filter?

If your air filter doesn’t have an arrow, look closely at the sides — sometimes it’s faint or printed along the edge. If you still can’t find it, a good rule of thumb is to install the side with the wire mesh or cardboard backing facing the unit, and the softer, pleated side facing the return duct. The reinforced side supports the filter as air passes through it, helping it stay in place during operation.

Still have questions about HVAC filter installation or airflow issues? Contact Lochard HVAC, Plumbing, and Service for expert guidance and professional support. We’re here to keep your system running efficiently year-round.

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How Much Is a New AC Unit?

What Homeowners Should Know Before Replacing Their System

If you’re sweltering in the summer heat and wondering how much is a new AC unit, you’re not alone. At Lochard HVAC, Plumbing, and Service, we get this question from homeowners across Piqua, Troy, Sidney, Bellefontaine, Celina, and Tipp City. Whether your current unit is struggling to keep up or you’ve noticed rising energy bills, it might be time to consider an upgrade.

What Impacts the Cost of a New AC Unit?

The cost of a new air conditioning unit can vary based on several key factors:

  • Unit Size (BTU/Tonnage): A larger home might require a 4-ton system, while a smaller home could get by with a 2-ton.

  • Energy Efficiency Ratings (SEER): High-efficiency AC units can cost more upfront but save you money over time.

  • Installation Complexity: Older homes or those needing ductwork repairs may increase installation costs.

  • Brand & Model: Brands like Bryant and Carrier offer premium options with advanced features.

On average, residential AC replacement can cost anywhere from $3,500 to $7,500, depending on the specifics.

You can learn more about our AC replacement and installation services and request an estimate that fits your needs and budget.

Signs You Might Need a New AC Unit

Still on the fence? These signs might indicate it’s time to stop repairing and start replacing:

  • Your AC is over 10–15 years old

  • You’ve noticed frequent breakdowns

  • The system runs constantly but doesn’t cool properly

  • Energy bills keep rising despite thermostat changes

If your AC isn’t cooling like it used to in West Milton or you’re hearing strange noises in your New Bremen home, don’t wait until peak summer hits. Upgrading to a high-efficiency system can improve comfort and reduce costs long term.

Energy Efficiency Pays Off

Newer units with higher SEER ratings not only cool your home more effectively but also reduce environmental impact. Plus, many homeowners in Sidney and Troy qualify for energy rebates or financing options when they install qualifying systems with Lochard.

We specialize in high-efficiency HVAC upgrades tailored to your home, and our technicians will ensure everything is installed properly, the first time.

Why Work With Lochard HVAC, Plumbing, and Service?

With decades of experience, we’re a trusted name in HVAC service across west-central Ohio. Our team provides:

Whether you need help determining how much is a new AC unit or want help with air conditioning repairs, our licensed technicians are here for you.

Get a Customized AC Quote Today

If you’re in Anna, Jackson Center, Degraff, Quincy, Casstown, or Kettlersville and want to know the cost of a new air conditioning system, contact Lochard HVAC, Plumbing, and Service today. We’ll help you choose the right system and keep your home cool and efficient for years to come.

Schedule your consultation or give us a call to get started.

FAQs

How much should a new AC unit cost?

The cost of a new AC unit generally falls between $3,500 and $7,500, depending on factors like the unit’s size, energy efficiency rating, brand, and installation complexity.

How much is a new air conditioner for 2000 sq ft?

For a home around 2,000 square feet, most homeowners can expect to pay between $4,500 and $8,000 for a properly sized and installed central air system. This range may vary based on ductwork condition and local energy requirements.

Is it worth it to replace an AC unit?

If your AC is over 10–15 years old, frequently needs repairs, or has a low SEER rating, replacing it is typically more cost-effective in the long run. New systems offer improved efficiency, quieter operation, and better indoor comfort.

Should I replace a 20 year old AC unit?

Yes, most AC units have a lifespan of 15–20 years. Even if your older system still runs, it’s likely inefficient and at risk for major failure, especially during peak summer months.

Does home insurance cover an AC unit?

Home insurance might cover AC damage caused by sudden or accidental events, like storms or vandalism. However, it typically doesn’t cover issues related to normal wear and tear, lack of maintenance, or old age.

Need help finding the right AC solution? Contact Lochard HVAC, Plumbing, and Service for a quote on a new high-efficiency air conditioner tailored to your home and budget.