The warm summers in Houston, Texas, can get muggy and uncomfortable. You set the thermostat to a pleasant temperature. The AC starts up as expected. But, even after your air conditioner cycles, your home still feels damp and sticky.
That’s not very comfortable.
It can be disappointing when the air conditioner appears to work properly, yet your home doesn't actually feel pleasant. If your rooms feel humid but thermostat says cool, you're in good company. Many area homeowners have this problem.
Why? Temperature and humidity are two different measurements in your home. A temperature only tells you how comfortable the air is within your home. It doesn't measure the amount of moisture in the air. When humidity levels are very high, your home can feel warmer than the thermostat indicates, due to indoor humidity problems.
In this blog, you'll learn how humidity affects your comfort, common reasons your home feels humid even when the temperature is correct and simple troubleshooting steps you can try to reduce humidity in your Houston, Texas, home. That way, you’ll know when it’s time to call experts like the team at Air Current AC & Heat for professional help.
Why Your Home Can Feel Humid Even If the Temperature Is Cool
Indoor temperature is only part of what makes your house pleasant. Humidity is also an equally important element to consider. The majority of homes are typically more comfortable when indoor relative humidity falls 30-50 percent. When a home has high indoor humidity, the air feels hotter, denser and stickier—even if the actual air temperature is cool.
Excess moisture can also promote dangerous mold growth, mildew, musty odors and other indoor air quality issues. That's why your house feels humid but the AC is running—your system may be lowering the temperature of the air without extracting enough moisture.
8 Common Reasons Your Home Feels Humid
Making your home in Houston, Texas, excess moisture can be a challenge.
Plenty of area homeowners wonder the same question: Why does my house feel humid?
There are a variety of common explanations. Understanding what's creating excess moisture is the best place to start toward resolving the problem.
Here are several common reasons for elevated indoor humidity in Houston, Texas:
Oversized Air Conditioning
1. Oversized Air Conditioner
An air conditioner that's bigger than your home needs cools your home too quickly. The problem is an oversized AC often doesn’t reduce humidity effectively because it shuts off before completing a proper cooling cycle.
2. Blocked Air Filter
A dirty air filter limits airflow throughout your heting and cooling system. This makes it challenging for your equipment to control humidity while cooling your home.
3. Obstructed Condensate Drain
Your air conditioner collects moisture from the air in your home and and then it drains from the equipment through a condensate line. If that drain becomes blocked, moisture can't drain from the system properly, contributing to excess moisture indoors.
4. Icy Evaporator Coil
The evaporator coil extracts both heat and moisture from your home's air supply. Ice formation or excessive dirt on the coil reduces its effectiveness and often requires professional AC repair services to fix.
5. Damaged Ductwork
Ductwork moves cool air throughout your home. Leaks in ductwork can draw warm, humid air from attics, crawl spaces or other unused areas into your HVAC system. This added moisture makes it more difficult to maintain comfortable humidity conditions.
6. Thermostat Fan Running on “On” Change to “Auto”
If your thermostat fan is set to "On" instead of "Auto", the blower continues to operate after the cooling cycle is finished. This can push moisture collected on the evaporator coil back into your home instead of giving it time for it to drain away.
7. Unusually Humid Weather
During the area’s extremely humid summer weather, your HVAC system has to work harder to remove moisture from the air. Even when your AC is operating correctly, sometimes your home feels muggy because outdoor humidity continues to seep into your home through doors, windows and normal air leakage.
8. Aging Heating and Cooling Equipment
As heating and cooling systems age, they often become less efficient at controlling humidity. HVAC maintenance optimizes performance, increases efficiency and helps find worn-out parts. Neglecting regular air conditioning maintenance can reduce performance, including your system's ability to control moisture.
Simple Checks to Make Before Calling an HVAC Technician
If your home feels humid, there are some simple things you can check before requesting service. These DIY tips are easy ways to improve indoor comfort by helping your heating and cooling system remove moisture more efficiently.
- Replace or inspect the air filter. A clean heating and cooling system air filter allows proper airflow, helping your system circulate air through and dehumidify your home effectively.
- Verify the thermostat fan is set to Auto. This allows moisture to flow out after each cooling cycle instead of being blown back into your living spaces.
- Check to ensure your supply and return vents are open and unblocked. Furniture over the vents or closed vents can limit airflow throughout your home.
- Check for water around the indoor unit. Water by your AC equipment may suggest a clogged condensate drain or another drainage-related issue.
- Monitor how your AC should run. If the AC is short cycling or turning on and off continuously, or it seems to run constantly without improving comfort, it's time to have the system evaluated by a professional.
Even if your thermostat still says cool but house feels humid, do not perform repairs with refrigerant, electrical components or system components. DIY repairs may be tempting, but these repairs require professional training and should always be performed by a qualified HVAC technician.
Does Your Home Need a Whole-Home Dehumidifier?
If you deal with humidity in your house during summer or year-round moisture problems, a whole-home dehumidifier may be the right choice. As opposed to portable units that only help reduce moisture in one room or area, a whole-home dehumidifier works with your HVAC system to control humidity throughout your entire house.
Just one of Air Current AC & Heat's indoor air quality solutions, a whole-home dehumidifier helps keep your home more comfortable while lowering the risk of mold, musty odors and excess moisture. It can be especially helpful for homes in humid climates or properties that still have humidity even with a properly functioning cooling system.
When You Need to Schedule HVAC Service
Persistent HVAC humidity issues often point to an hidden problem that requires professional repair. The technicians at Air Current AC & Heat will evaluate refrigerant charge, airflow, blower performance and evaporator coils to find why your system isn't removing humidity effectively. They can also evaluate ductwork, condensate drainage and overall system sizing to pinpoint the root cause.
We also can get you scheduled for an HVAC tune-up. Seasonal seasonal tune-ups help find small problems before they become complicated, costly repairs. That's why Air Current AC & Heat offers an HVAC maintenance plan that makes regular inspections budget-friendly and stress-free.
If basic troubleshooting doesn't solve the problem, trust Air Current AC & Heat for dependable HVAC service in Houston, Texas.
Schedule HVAC service online or call 713-257-9226 today to take care of high indoor humidity issues for good.