A broken air conditioner in the middle of a Fort Worth, Texas summer isn’t fun for any homeowner. If it does happen, then it’s best to understand the potential reasons behind it and know when it’s time to call a professional AC contractor. Here are three reasons your unit might start blowing warm air.

The Thermostat Setting is Wrong

This might sound redundant, but if your unit is blowing warm air, it’s best to start with the basics. Double-check that your thermostat is set to the “cool” setting and wasn’t accidentally changed to “heat.” If your thermostat setting is correct, then it’s time to consider the issues listed below.

Your Air Filter is Clogged

A clogged air filter can lead to a dirty evaporator coil, causing your HVAC system to blow warm air. We recommend changing or cleaning your unit’s air filters every 30 to 90 days to prevent costly AC repairs and ensure your system works efficiently while cooling your home. As for your evaporator coil, you’ll need to call a professional AC contractor to conduct a deep-cleaning of your unit.

There’s a Refrigerant Leak

Refrigerant leaks are a common issue during the summer because your unit has to work harder than usual. Without proper levels of refrigerant, your HVAC system won’t be able to cool your home. This might result in unwanted AC repairs, so it’s important to check for a refrigerant leak before it becomes any worse.

There are Electrical Issues

Electrical issues can be another reason why your HVAC unit is blowing warm air. For example, a tripped circuit breaker or blown fuse can quickly become more significant issues if left unattended. You’ll need to check the circuit breaker and fuse panel. If this doesn’t work or you find yourself having to repeat this action often, then it’s time to call a professional.

Scheduling regular HVAC maintenance can help prevent your unit from blowing warm air and save you from needing costly AC repairs in the future. Call our experts at North Tarrant Heating & Air to schedule your AC maintenance appointment or to learn more about our reliable air conditioning services.

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