Summer arrives. Your air conditioner starts running, but your home still feels clammy. Family members keep lowering the thermostat temperature. Now, some rooms are still uncomfortably humid while others feel too cold. Meanwhile, energy bills increase.
This is a typical challenge during humid summers in Saint Louis, MO. Many homeowners believe the answer is lowering the temperature, but comfort depends on more than your home’s temperature. Humidity is a significant factor in how your home feels.
Managing summer humidity in Saint Louis, MO, is often the key to making your home feel more comfortable. When indoor humidity gets too high, your instinct may be to run your AC harder. Unfortunately, that’s rarely the most effective solution. Understanding how to reduce indoor humidity in summer can help improve comfort while reducing strain on your air conditioner.
How Humidity Makes Your Home Feel Warmer
Have you ever wondered, “Why does my house feel sticky?” It’s high humidity levels. Humidity is water vapor in the air. When moisture levels are high, sweat evaporates more slowly, so you feel warmer than the actual temperature. This can create a sticky, clammy feeling indoors. The air feels heavier, it can be hard to sleep and your home isn’t comfortable.
Most experts say ideal indoor humidity levels range between 30% and 50%. When humidity levels are higher, indoor humidity problems can quickly form.
How to Tell if Your Home Has Excess Humidity
Many homeowners don’t realize humidity is the problem until warnings signs become clear.
Common high indoor humidity symptoms in Saint Louis, MO:
- Condensation on windows
- Musty smell in the house during summer
- Rooms that feel damp
- Visible mold and mildew
- Some rooms are comfortable and others are not
- Home feels humid with AC running
- Constant thermostat adjustments
Why Constantly Lowering the Thermostat Isn’t the Most Effective Fix for Indoor Humidity
Turning down the thermostat may make your home cooler, but it isn’t the way to solve humidity issues. Overcooling by running your air conditioner hard can raise energy costs, create cold spots and put additional wear on your air conditioner. You may end up with a house that feels chilly but still uncomfortable.
While air conditioners remove some moisture from your home, they are primarily designed to provide cooling. That’s why lowering the thermostat often fails to address the real issue: high humidity.
How HVAC Equipment Helps Control Humidity
As your air conditioner cools your Saint Louis home, it also reduces indoor moisture. Warm indoor air flows over the cooling coil, causing water vapor to condense and drain away.
Some air conditioners control humidity better than others.
A variable-speed air conditioner often provides better HVAC humidity control because it runs longer at lower speeds. Running longer allows the system to reduce humidity in your home while maintaining a steady indoor temperature.
Smart thermostat provide additional benefits. Many smart devices monitor humidity levels, giving you more insight into your home’s comfort conditions.
AC maintenance plays a role as well. Annual AC tune-ups help boost performance, maintain efficiency and provide peak humidity control while reducing the risk of breakdowns.
Improper AC Sizing: Making Humidity Worse
An AC that’s too big for your home can actually cause moisture issues. Because overly large systems cool a home very quickly, they tend to run in short cycles. They quickly lower the temperature in your home, but the system doesn’t stay on long enough to remove enough humidity from the air.
By comparison, a properly sized AC runs longer and provides better HVAC humidity control. This is one reason professional sizing is so important during new air conditioning installation.
Advantages of a Whole-Home Dehumidifier
Air conditioners remove some humidity, especially variable-speed air conditioners. However, a whole-home dehumidifier is often the best, most effective way to control moisture throughout your entire home.
A whole-home dehumidifier operates with your HVAC system to remove excess humidity during summer. Then, during the cold months, whole-home humidity control systems add moisture to dry, uncomfortable winter air.
How a whole-home humidity control system increases home comfort:
- Removes excess moisture from every room
- Improves comfort at higher thermostat settings
- Supports healthier indoor air
- Reduces mold and mildew risk
- Helps protect wood floors and furniture during dry winters
- Minimizes stress on your air conditioner
- Prevents musty smells in your house during summer
- Improves comfort and sleep quality
6 Tips for Managing Summer Humidity
A whole-home humidity control system is the most effective solution reducing indoor humidity, but there are other steps you can take to improve comfort. If you’re wondering how to keep your house comfortable in humid weather, these tips can help.
- Keep Air Filters Clean
Clogged filters limit airflow and reduce system performance. Properly maintained filters help your AC remove humidity more effectively. - Use Bathroom and Kitchen Exhaust Fans
Everyday tasks like showering and cooking add moisture to your home. These fans help reduce that humidity before it spreads. - Stop Air Leaks
Small gaps around windows and doors allow moist outdoor air inside. Closing those gaps helps keep wet air out. - Schedule Routine AC Maintenance
Professional AC maintenance improves overall system performance, including humidity removal. - Keep Windows Closed During Humid Weather
Opening windows during peak humidity lets large amounts of moisture into your home. - Consider Indoor Air Quality Upgrades
Indoor air quality solutions such as whole-home humidity control systems and ventilation equipment are useful tools to create a healthier, more comfortable indoor environment.
Managing Your Indoor Humidity in Saint Louis, MO
If your home feels damp, humid or uncomfortable in summer, high indoor humidity may be the reason. The good news is Morgner Inc. Air Conditioning & Heating offers effective indoor comfort solutions that reduce indoor humidity much more efficiently than lowering the thermostat.
From air conditioner tune-ups and smart controls to whole-home dehumidifiers and system upgrades, Morgner Inc. Air Conditioning & Heating can help you find the right solution for managing summer humidity in Saint Louis, MO. Contact us online or call 314-310-0363 today to discuss indoor comfort solutions for your home.
Frequently Asked Questions About Reducing Summer Humidity in Saint Louis
What is the ideal indoor humidity level in summer for a comfortable home?
The ideal indoor humidity level during summer is between 30% and 50%. Keeping your moisture levels within this recommended range can help your home feel cooler indoors while reducing the risk of mold growth, musty odors and other moisture-related problems.
Why does my home feel humid even with the AC running?
If your AC is not removing humidity like it should, areas of your home may feel sticky even when the temperature is cool. Frequent causes include clogged air filters/restricted airflow, an oversized air conditioner, high outdoor humidity or a system that needs maintenance.
Can installing a whole-home dehumidifier help lower energy bills?
Yes, a whole-home dehumidifier can help lower energy bills because it makes your home feel comfortable at higher thermostat settings, reducing how often your AC runs. It’s also one of the most effective indoor air quality solutions and humidity control for homes in Saint Louis, MO.
Is it true that it’s a bad idea to lower the thermostat too much during summer?
Yes, lowering the thermostat too much to reduce summer humidity can boost cooling expenses, put extra wear on your cooling system and create rooms that feel cold but still humid. Managing indoor humidity with a dehumidifier is usually a more effective solution.
How can I tell if my HVAC system is controlling humidity properly?
Your HVAC system is likely controlling humidity properly if indoor moisture levels stay between 30% and 50%, rooms are comfortable and you do not observe condensation, detect musty odors or find damp areas inside your home.
What leads to high humidity levels inside a home?
High indoor humidity in Saint Louis homes is often caused by high outdoor humidity, air leaks, poor ventilation, oversized HVAC equipment and everyday activities such as cooking, showering and doing laundry. These increase indoor moisture that can become trapped inside the home.
Does a new air conditioner help with humidity control?
Often, yes, a properly sized variable-speed air conditioner can improve humidity control because it runs longer and removes more moisture from the air. However, homeowners with continued moisture concerns may feel more comfortable with additional whole-home dehumidifier installation.