When most homeowners think about staying comfortable, they usually focus on the temperature shown on the thermostat. However, humidity plays an equally important role in how your home feels. Two homes set to 75°F can feel completely different depending on the amount of moisture in the air.
Why Humidity Matters
Humidity is the amount of water vapor in the air. During the hot South Texas summers, outdoor humidity levels are often very high. If your air conditioning system cannot remove enough moisture, your home may feel warm and sticky even when the thermostat says the temperature is comfortable.
High indoor humidity can cause:
- Your home to feel warmer than the actual temperature
- Longer air conditioner run times
- Higher energy bills
- Musty odors
- Condensation on windows or vents
- Increased potential for mold and mildew growth
Many homeowners lower the thermostat trying to feel cooler, but if humidity remains high, the home may still feel uncomfortable.
How Your Air Conditioner Removes Humidity
Your air conditioner does more than cool the air—it also removes moisture as warm indoor air passes over the cold evaporator coil. The water condenses on the coil and drains away through the condensate drain.
Several factors affect how well your HVAC system removes humidity, including:
- Proper equipment sizing
- Correct airflow
- Refrigerant charge
- Clean evaporator coils
- Proper duct design
- Adequate run time
If any of these are incorrect, your system may cool the home without effectively removing moisture.
Can an Air Conditioner Be Too Large?
Yes. An oversized air conditioner cools the home very quickly but often shuts off before removing enough humidity. This is known as short cycling.
A properly sized system runs longer, allowing it to remove more moisture while maintaining a comfortable indoor environment.
What Is the Ideal Indoor Humidity?
For most homes, indoor relative humidity should remain between 40% and 60%. This range typically provides the best balance between comfort, energy efficiency, and indoor air quality.
Signs Your Home Has High Humidity
You may have a humidity problem if you notice:
- Your home feels sticky or damp
- The AC runs but the house still feels uncomfortable
- Windows collect condensation
- Musty smells around the home
- Mold or mildew in certain areas
- Rooms that never seem to feel cool
How JL Cooling & Heating Can Help
At JL Cooling & Heating LLC, we don’t just check whether your air conditioner is producing cold air. We evaluate the entire system to help ensure it is operating efficiently and controlling humidity properly.
Our technicians can inspect:
- Airflow and static pressure
- Refrigerant charge
- Evaporator and condenser coil condition
- Drainage system
- Equipment sizing
- Overall system performance
Proper humidity control can improve comfort, reduce unnecessary energy use, and help your HVAC system perform the way it was designed.
If your home feels uncomfortable even though your AC is running, humidity may be the real problem.
JL Cooling & Heating LLC proudly provides professional AC repair, HVAC maintenance, heat pump service, and air conditioning installation in San Juan, McAllen, Mission, Pharr, Edinburg, Alamo, Donna, Weslaco, and throughout the Rio Grande Valley.
(956)569-4838
Schedule your HVAC inspection today:
https://jlcandh.com/