The humid summers in Buellton, California, can get muggy and uncomfortable. You set the thermostat to a comfortable temperature. The AC kicks on automatically. But, even after your cooling system runs, your home still feels damp and sticky.
That’s not very comfortable.
It can be disappointing when the air conditioner seems to operate normally, yet your home doesn't actually feel comfortable. If your rooms feel humid but thermostat says cool, you're in good company. It happens a lot.
Why? Temperature and humidity are two different things. Your temperature only tells you how hot or cold the air is within your home. It doesn't measure how much moisture is in the air. When humidity levels are too high, your home can feel much hotter than the thermostat indicates, due to indoor humidity problems.
In this guide, you'll learn how humidity affects your home comfort, common reasons your home feels humid even when the temperature is right and easy troubleshooting steps you can try to reduce humidity in your Buellton, California, home. That way, you’ll know when to call experts like the team at Allstar Heating & Air Conditioning for support.
Why Your Home Can Feel Humid Even When the Temperature Is Cool
Indoor temperature is only part of what makes your house comfortable. Indoor humidity is also an equally important element to consider. Most homes are generally more comfortable when indoor relative humidity is between 30% and 50%. When a home has high indoor humidity, the air feels hotter, heavier and stickier—even if the actual air temperature is cool.
High humidity can also encourage dangerous mold growth, mildew, bad smells and other indoor air quality issues. That's why your house feels humid but the AC is running—your system may be cooling the air without extracting enough moisture.
8 Common Reasons Your Home Feels Humid
Living in Buellton, California, excess moisture can be a challenge.
Countless area homeowners ask the same question: Why does my house feel humid?
There could be multiple reasons. Understanding what's creating humidity problems is a good first step toward solving the problem.
Let's look at several common reasons for high indoor humidity levels in Buellton, California:
1. Oversized Air Conditioning
An AC unit that's too big for your home lowers the temperature in your home too quickly. The problem is an oversized AC often doesn’t remove humidity effectively because it shuts off before completing a proper cooling cycle.
2. Clogged Air Filter
A clogged air filter reduces airflow throughout your heting and cooling system. This makes it harder for your equipment to remove moisture while cooling your home.
3. Blocked Condensate Drain
Your air conditioning pulls out moisture from the air in your home and drains it outside through a condensate line. If that drain becomes restricted, moisture can't drain from the system properly, contributing to excess moisture indoors.
4. Icy Evaporator Coil
The evaporator coil removes both heat and moisture from your home's air supply. Dirt buildup on the coil limits its effectiveness and often requires professional AC repair services to fix.
5. Loose Ductwork
Ductwork moves cool air throughout your house. Leaks in ductwork can allow warm, humid air from attics, crawl spaces or other unused areas into your HVAC system. This additional moisture makes it harder to maintain comfortable humidity levels.
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 ends. This can blow moisture collected on the evaporator coil back into your home instead of giving it time for it to drain away.
7. Exceptionally Humid Weather
During the area’s very humid summers, 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. Poorly Maintained HVAC Equipment
As home comfort systems get older, they often become less effective at controlling humidity. HVAC maintenance enhances performance, increases efficiency and helps detect worn-out parts. Neglecting regular air conditioning maintenance can reduce performance, including your system's ability to reduce moisture.
Things to Check Before Contacting an HVAC Technician
If your home feels humid, there are some simple things you can check before scheduling service. These DIY tips are easy ways to improve indoor comfort by helping your HVAC system remove moisture more efficiently.
- Replace or inspect the air filter. A clean HVAC air filter allows proper airflow, helping your system condition and dehumidify your home more efficiently.
- Verify the thermostat fan is set to Auto. This allows moisture to leave the system after each cooling cycle instead of being circulated back into your living spaces.
- Make sure supply and return vents are open and not covered up. Rugs or household furnishings over the vents or closed vents can restrict airflow throughout your home.
- Check for water around the indoor unit. Water near your AC equipment may signal a clogged condensate drain or another drainage issue.
- Monitor how your air conditioner should run. If the AC is short cycling or turning on and off continuously, or it seems to run constantly without cooling your home like it should, it's time to have the system evaluated by a professional.
Even if your thermostat still says cool but house feels humid, do not attempt repairs involving refrigerant, electrical components or internal parts. Handling these repairs yourself may be tempting, but these repairs require professional training and should always be performed by a qualified HVAC technician.
Could You Benefit from a Whole-Home Dehumidifier?
If you have humidity in your house during summer or year-round moisture problems, a whole-home dehumidifier may be worth considering. Unlike portable units that only work in one room or area, a whole-home dehumidifier works alongside your HVAC system to manage humidity throughout your entire house.
Just one of Allstar Heating & Air Conditioning's indoor air quality solutions, a whole-home dehumidifier makes your home more comfortable while lowering the risk of mold, musty odors and excess moisture. It can be extremely beneficial for homes in humid climates or properties that struggle with humidity even with a properly functioning air conditioner.
When You Need to Request HVAC Service
Home HVAC humidity issues often trace back to an hidden problem that requires professional repair. The technicians at Allstar Heating & Air Conditioning will check 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 identify the root cause.
We also can get you on the schedule for a heating and cooling tune-up. Seasonal seasonal tune-ups help find small problems before they become major breakdowns. That's why Allstar Heating & Air Conditioning offers an HVAC maintenance plan that makes regular inspections cost-effective and hassle-free.
If basic troubleshooting doesn't fix your problem, trust Allstar Heating & Air Conditioning for dependable HVAC service in Buellton, California.
Schedule HVAC service online or call 805-691-7554 today to take care of high indoor humidity issues for good.