Blog

Troubleshooting AC System Blowing Warm Air

Troubleshooting AC System Blowing Warm Air

Troubleshooting AC | AC Blowing Warm Air

It’s hard to imagine our lives without the comfort of air conditioning. Air conditioning cools our homes, offices and cars, reduces humidity and cleans the air. When it breaks down and the AC is blowing warm air on a hot day, it rapidly becomes unbearable. For those with health problems the lack of air conditioning can literally be a threat to their health and life. The following may assist you in getting the cool back in your cooling, utilize these tips before calling for air conditioning repair in Katy.

Check the Thermostat

First, check the thermostat and ensure it is set to Cool. Next check the set temperature. If it is set at 80 degrees, and the inside temperature is 79 for example, the unit will not cut on, run or cool. Finally, check the fan. If the fan is set to manual, as opposed to automatic, it will blow warm air until the compressor runs.

The fan should be set on Auto, or automatic. After ensuring the thermostat temperature is set lower than the room temperature showing, and that the fan is on auto, If the AC is blowing warm air check the following before calling for ac repair in Katy.

Check the Filter & Breaker

Check the filter, and ensure a clean filter is in place. If the filter is too dirty to allow air flow, the system may have overheated and thrown a system breaker. Some split systems have a switch inside the indoor portion of the system in plain view. It will typically look similar to a light switch. Try engaging it in the event a breaker was thrown. In some systems, if the breaker is thrown the fan may run, but not the compressor, resulting in the AC blowing warm air

Check the External Breaker

If this does not correct the problem, check the breaker on the outside portion of the system. There should be a breaker box, typically located on a wall or near the outside unit. Inside the box there should be a breaker that may have been thrown. It doesn’t have to have a dirty filter to throw either of these breaker’s, other factors may have triggered it, including a fluctuation in power service, as when a surge occurs in the local power grid. If neither of these restore cooling it is time to call for repair when your AC is blowing warm air.

Tips for Best AC Performance

In addition, to ensure proper operation of your HVAC system, do not block the area around the air return. This is the area where the filter is located. Blocking it with furniture or other objects will impair its airflow, and can cause the system to overheat. This may result in damage to the system or even fire. If the system has a breaker overheating can cause the breaker to be thrown, resulting in the AC blowing warm air.

Keep registers’ clear of obstruction. Drapes, furniture or other objects covering or blocking the air registers will negatively affect the system ability to cool, and may cause problems within the system itself.

Provide a minimum of annual maintenance to your HVAC system. During exceptionally hot summers or cold winters, or other unusual environmental factors such as remodeling, or dusty local construction, have your system checked more often to avoid damage.

Over time dust and grime collect on cooling coils, resulting in poor performance and other potential problems. A professional coil cleaning will take care of this. Your technician will check your coils during routine maintenance to assess if they need cleaning. Dirty coils can result in the AC blowing warm air.

Don’t forget to change the air filter every month. Select a day in each month to assist you in remembering it, such as the 1st. Ensure it is safe to use a HEPA filter with the system. If your system is not created for HEPA, the filter may actually reduce its performance and place potentially damaging strain upon your heating and air conditioning system. If you are unsure if your system can utilize a HEPA filter, check with your systems manufacturer.

Cypress Heating and Air Conditioning’s certified HVAC technicians provides prompt and professional heating and air conditioning service each and every time. When your AC is blowing warm air, call Cypress Heating and Air Conditioning professionals. We are available 24 hours a day, 7 days a week, and 365 days a year because we understand that breakdowns never occur at a convenient time. You rely on your air conditioning for comfort, and you can rely upon Cypress’s dedicated professionals for superior service.