The humid summers in Dundas and Northfield, Minnesota, can get muggy and uncomfortable. You change the thermostat to a comfortable temperature. The air conditioner starts up right away. But, even after your cooling system runs, your home still feels damp and sticky.
Not a great feeling.
It can be disappointing when the air conditioner seems to be doing its job, yet your home doesn't actually feel pleasant. 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 factors in indoor comfort. A temperature only tells you how comfortable the air is within the room. It doesn't measure how much humidity is in your home. When indoor moisture is very high, your home can feel much hotter than the thermostat indicates, due to indoor humidity problems.
In this article, you'll learn how humidity affects your comfort, common reasons your home feels humid even when the temperature is correct and easy troubleshooting steps you can try to reduce humidity in your Dundas and Northfield, Minnesota, home. That way, you’ll know when to contact experts like the team at Better Air for professional help.
Why Your Home Can Feel Humid Even When the Temperature Is Cool
Indoor temperature is only part of what makes your living space pleasant. Humidity is another important element to consider. Many homes are typically more comfortable when indoor relative humidity stays 30-50 percent. When a home has high indoor humidity, the air feels warmer, heavier and stickier—even if the actual air temperature is cool.
Too much indoor moisture 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 chilling the air without pulling out enough moisture.
8 Common Reasons Your Home Feels Humid
Residing in Dundas and Northfield, Minnesota, high humidity can be a frequent concern.
Plenty of area homeowners ask the same question: What's making my house feel humid?
There are a variety of common explanations. Identifying what's creating high idoor humidity is a key first step toward resolving the problem.
Here are several common reasons for elevated indoor humidity in Dundas and Northfield, Minnesota:
1. Oversized Air Conditioner
An AC unit that's bigger than your home needs cools your home too quickly. The problem is an oversized AC often doesn’t remove humidity effectively because it turns off before completing a full cooling cycle.
2. Blocked Air Filter
A clogged air filter reduces airflow throughout your HVAC system. This makes it challenging for your equipment to control humidity while cooling your home.
3. Obstructed Condensate Drain
Your air conditioner removes moisture from your indoor air and that excess water drains from the unit through a condensate line. If that drain becomes restricted, moisture can't leave 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. Dirt buildup on the coil limits its effectiveness and often requires professional AC repair services to fix.
5. Damaged Ductwork
Ductwork transports cool air throughout your house. Leaks in ductwork can allow warm, humid air from attics, crawl spaces or other unconditioned areas into your HVAC system. This additional moisture makes it more difficult to maintain comfortable humidity throughout your home.
6. Thermostat Fan is on “On” Setting Switch to “Auto”
If your thermostat fan is set to "On" instead of "Auto", the blower continues running after the cooling cycle completes. This can circulate moisture collected on the evaporator coil back into your home instead of giving it time for it to drain away.
7. Extremely Humid Weather
During the area’s especially humid summer weather, your HVAC system has to work harder to remove moisture from the air. Even when your air conditioner is operating correctly, sometimes your home feels muggy because outdoor humidity continually enters your home through doors, windows and normal air leakage.
8. Older HVAC Equipment
As home comfort systems wear out over time, they often become less capable at controlling humidity. HVAC maintenance optimizes performance, increases efficiency and helps identify worn-out parts. Putting off regular air conditioning maintenance can decrease performance, including your system's ability to reduce moisture.
What You Can Check Before Scheduling an HVAC Technician
If your home feels humid, there are a few simple things you can check before booking service. These DIY tips are easy ways to improve indoor comfort by helping your heating and cooling system remove moisture more effectively.
- Replace a dirty air filter. A clean heating and cooling system air filter allows proper airflow, helping your system cool and dehumidify your home effectively.
- Make sure 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 that supply and return vents are open and unblocked. Rugs or furniture over the vents or closed vents can restrict airflow throughout your home.
- Look for water around the indoor unit. Water around your AC equipment may suggest a clogged condensate drain or another drainage-related issue.
- Monitor how your air conditioning should run. If the AC is short cycling or turning on and off repeatedly, 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 attempt repairs with refrigerant, electrical components or internal HVAC parts. Do-it-yourself fixes may be tempting, but these repairs require advanced training and should always be left to a qualified HVAC technician.
Should You Get a Whole-Home Dehumidifier?
If you struggle with humidity in your house during summer or year-round moisture problems, a whole-home dehumidifier may be the right choice. Compared with portable units that only remove humidity from one room or area, a whole-home dehumidifier works alongside your HVAC system to reduce humidity throughout your entire house.
Just one of Better Air'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 especially helpful for homes in humid areas or properties that struggle with humidity even with a properly functioning cooling system.
Signs It's Time to Schedule HVAC Service
Persistent HVAC humidity issues often are caused by an hidden problem that requires professional repair. The technicians at Better Air will evaluate refrigerant charge, airflow, blower performance and evaporator coils to identify why your system isn't controlling humidity effectively. They can also check ductwork, condensate drainage and overall system sizing to pinpoint the root cause.
We also can get you scheduled for a heating and cooling tune-up. Seasonal seasonal tune-ups help catch small problems before they become complicated, costly repairs. That's why Better Air offers an HVAC maintenance plan that helps make regular inspections budget-friendly and stress-free.
If simple troubleshooting doesn't solve the problem, trust Better Air for dependable HVAC service in Dundas and Northfield, Minnesota.
Schedule HVAC service online or call 507-663-1208 today to fix your indoor humidity issues once and for all.