AC System Heating

Help! My AC System Is Heating My Home in Portales, NM

May 24, 2025

Your air conditioner should cool your home to help combat the outdoor heat. When it does the opposite and sends warm air through your vents, it signals a potential issue. Read on to learn about some possible reasons your AC system is heating your Portales, NM, home.

Dirty Filter

The filter inside your air conditioner helps trap dust and debris to keep these contaminants out of your indoor air. If the filter clogs, cold air may struggle to move through the AC system, and you’ll have warmer air when it reaches the vents. Ideally, you’ll want to change your filters every two to three months.

Frozen Coils

The coils inside your AC system may freeze if they get excessively dirty or when there is a malfunction in operation. When the coils freeze, the air conditioner cannot create cold air. Whenever the AC system runs, you’ll potentially get warm or even hot air from the vents.

Thermostat Settings

Be sure to check that your thermostat is on the proper settings if you don’t get cold air when you expect it. Make sure the thermostat is set to the cool function and that the temperature is low enough to cool your home.

Refrigerant Leak

Without refrigerant, your air conditioner cannot transfer heat out of your home properly. Leaking refrigerant is an environmental hazard and requires immediate professional intervention.

Faulty Fan or Compressor

Faulty components inside the AC system, such as the fan or compressor, can prevent cold air from moving through the system as it should. This may cause air to trickle instead of blow through the vents.

Your air conditioner should never start heating your home. Call I.T.S. Refrigeration & Heating, Inc. right away to schedule AC repairs to restore cooling and comfort to your Portales, NM, home.

Image provided by iStock

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