Can Air Conditioning Make You Sick?

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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.