What Can Humidity Do To Your Home?


As the summer heat settles in Knoxville, Tennessee, it’s not just the rising temperatures that can make you uncomfortable. High humidity levels can turn your home into a sticky, muggy mess, impacting both your living environment and your health.

In this blog, we’ll explore the effects of humid indoor air, signs to watch out for, and practical solutions to maintain a comfortable and healthy home. For all your HVAC and indoor air quality needs, trust the professional services offered by Chancey & Reynolds.

Photo of a person's hand wiping away water condensation from window

What Happens if the Humidity Is Too High in Your House?

When indoor humidity levels soar, it can lead to a variety of issues that impact your home and overall comfort. Here’s what you might experience:

Mold and Mildew Growth

Excessive moisture in the air can create a breeding ground for mold and mildew, which can damage walls, ceilings, and other surfaces. These unwelcome guests can also trigger allergies and respiratory issues.

Damage to Wooden Structures

Wood absorbs moisture, and prolonged exposure to high humidity can cause warping, rotting, and other structural damage to wooden furniture, floors, and fixtures in your home.

Musty Odors

The unpleasant smell often associated with high humidity is caused by the growth of mold, mildew, and bacteria. This can make your home feel less inviting and welcoming.

Is High Humidity in Your Home Bad for Your Health?

Yes, high humidity levels can have adverse effects on your health. Here are a few ways it can impact you:

Respiratory Issues

Humid air makes it difficult for moisture on your skin to evaporate, leaving you feeling sticky and uncomfortable. It can also aggravate existing respiratory conditions, such as asthma or allergies.

Increased Allergies

High humidity promotes the growth of dust mites and mold, which are common allergens. These allergens can trigger allergic reactions, leading to symptoms like sneezing, coughing, and itchy eyes.

Heat-related Discomfort

Humidity prevents sweat from evaporating efficiently, hindering your body’s natural cooling mechanism. This can make you feel hotter and more fatigued, especially during hot summer days.

What are the Signs of High Humidity in Your Home?

Identifying signs of high humidity is crucial in maintaining a comfortable living environment. Look out for these common indicators:


Be on the lookout for water droplets on windows, pipes, or surfaces. Condensation occurs when warm, moist air comes into contact with cooler surfaces.

Mold Spots

Keep an eye out for dark spots or patches on walls, ceilings, or corners, as they could indicate mold growth caused by excessive humidity.

Musty Odors

If your home has a persistent musty smell, it’s a strong indication of excess moisture. Don’t ignore it, as it could be a sign of hidden mold growth.

How Do I Fix High Humidity in My House?

Fortunately, there are several effective ways to combat high humidity and restore a comfortable living space:


Ensure proper airflow by opening windows and using exhaust fans in kitchens, bathrooms, and laundry areas. Ventilation helps to expel moisture-laden air and bring in fresh air from outside.

Air Conditioning

Your AC not only cools but also dehumidifies the air. Make sure your air conditioning system is properly sized, maintained, and running efficiently. If you need AC repair, HVAC repair, or HVAC installation services, our professional team is here to assist you.

Use a Dehumidifier

A dehumidifier is a great investment for controlling humidity levels. It works by removing excess moisture from the air, helping to maintain a drier and more comfortable indoor environment. Consider placing dehumidifiers in areas prone to high humidity, such as basements, crawl spaces, or laundry rooms.

Seal Leaks and Insulate

Check for any leaks or gaps in windows, doors, and walls that could be letting humid outdoor air into your home. Proper insulation helps create a barrier, preventing excessive moisture from infiltrating your living space.

Monitor Indoor Humidity

Invest in a hygrometer to measure the humidity levels in your home accurately. Ideally, indoor humidity should be kept between 30% and 50%. If it consistently exceeds these levels, it’s time to take action.

Seek Professional Indoor Air Quality Services

For a comprehensive approach to maintaining optimal indoor air quality, consider professional services. Our HVAC company offers expert indoor air quality services tailored to your specific needs, including humidity control solutions and air quality assessments.

Don’t let humid indoor air dampen your living experience or compromise your health. Take proactive steps to combat high humidity levels and create a comfortable, healthy home environment. From utilizing dehumidifiers and optimizing ventilation to seeking professional HVAC services, you have the power to improve your indoor air quality.

Trust the HVAC Experts in Knoxville and Lenoir City

Chancey & Reynolds has been providing reliable HVAC services since 1978. We’re the go-to residential and commercial HVAC service provider in Greater Knoxville and Lenoir City. Home and business owners trust our NATE-certified technicians to deliver superior long-term solutions for their unique needs. We even offer free estimates and convenient financing options for commercial and residential customers who qualify. Stay cool, Knoxville!