July 26, 2022
Women enjoying AC in Madera, CA

In summer, there’s nothing worse than being stuck in a house that’s too hot and humid. And if your air conditioner is the one making things feel sticky and uncomfortable, you’re not alone. Here are four reasons why your AC makes your house humid.

1. Frozen Evaporator Coils

In most cases, the accumulation of humidity in the house results from frozen evaporator coils in the AC unit. The evaporator coils are responsible for removing heat and moisture from the air, so they cannot perform the function properly when they freeze. As a result, the air in your home becomes warmer and more humid than expected.

2. Dirty Condenser Coils

Condenser coils are responsible for removing heat from the air, but they can become clogged with dirt, dust, and debris over time, which leads them to become less effective at releasing heat. As a result, the refrigerant will not cool as much, and it will not be able to remove as much moisture from the air. This can lead to increased humidity levels in your home.

3. Improper AC Unit Size

To remove moisture from the air, your AC unit needs to be able to circulate air freely. However, if your unit is too small for the space it’s trying to cool, it will struggle to repeatedly move air around and recirculate the same moist air. Consequently, a unit that’s too large will also cause humidity problems. It will cool the house so quickly that moisture isn’t able to be adequately removed from the air, making your home feel more humid than when you started.

4. An Aging AC Unit

As an AC unit ages, it can lose the ability to dehumidify the air properly. This is because the unit’s evaporator coils absorb moisture from the air less effectively. The coils inside the unit can also become frozen, which prevents the unit from adequately draining water.

If you’re experiencing humidity issues in your home, it could be because of your AC. At Brian’s Heating and Cooling, we offer a full range of AC and heating services. Our team also provides indoor air quality solutions, duct cleaning and sealing, energy audits, and tankless water heater services. Call us today to set up an appointment.

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