Why Your AC is Blowing Warm Air and How to Fix It

Few things are more frustrating on a hot summer day than an AC that blows warm air instead of cool relief. For Hamptons homeowners, this problem is all too common, and the good news is that the causes are often straightforward to identify.

The first step is to check the thermostat. Make sure it is set to cooling mode and the fan is not running continuously. A simple adjustment may solve the problem. Next, inspect your filter. A dirty filter restricts airflow, causing the system to freeze up and fail to cool properly.

If those quick checks do not solve the issue, the problem may be more serious. Low refrigerant is a common cause of warm air and typically results from a leak. Refrigerant is not consumed like fuel; if it is low, something is wrong. Another possibility is a frozen evaporator coil. This often happens when airflow is restricted or the system is low on refrigerant.

Electrical problems can also prevent the compressor or fans from running correctly. In some cases, a tripped breaker or blown fuse is the culprit. More complex electrical issues require professional service.

Finally, outdoor units can become clogged with dirt, salt, or vegetation. If heat cannot escape, your AC will struggle to cool. Regular cleaning and maintenance keep this from happening.

If your AC is blowing warm air, do not ignore it. Running the system in this condition can cause further damage. Professional service will diagnose and resolve the issue, restoring comfort quickly.

Is your AC blowing warm air? Call Action Air today at (631) 965-6289 or schedule a service visit online for fast, reliable repairs.