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Posted on June 1, 2021 by admin

“When temperatures begin to rise across the region, air conditioners are pushed to their limits, and they do break down and require maintenance.”

Nothing matches the pleasure of relaxing indoors on a hot day with the comfort of your favorite air conditioner throughout the summer. However, it is natural that it tends to offend at times. This occurs because, like all electronic components, air conditioning systems fail due to use and a lack of maintenance and repairs.

On a really hot day, the worst circumstance is experiencing the warm air flowing out of the AC. So, it is important to identify the underlying cause of the problem.


There are numerous causes for a central air conditioner producing warm air; some are minor, while others are far more serious. Let’s look at the five most common reasons why your AC is blowing hot air.

The Thermostat Was On Heat

Yes, it sounds strange, but it is one of the most common causes of heated air from your HVAC system. Typically, we switch off our unit after the winter season and neglect to change the thermostat for the summer. We even accidentally flip the switch of our HVAC system from cool to heated. So, if your system is blowing warm air, recheck the thermostat before calling an air conditioning technician.

Dirty Working Conditions

If you’ve already checked your thermostat, it may be time to clean. A well-maintained and well-cared-for air conditioning unit has a better chance of operating efficiently. A dirty condenser unit or an air filter could be the source of the problem. To provide cool refreshing air, the AC needs a clean route. If there is dirt or debris in the path, the cool air is prevented in its tracks.  If the current air filter is unclean, replace it with a new, clean filter to see if the warm air problem goes away.


Condensation in your air conditioner must evaporate. However, to combat the burning heat, some people turn on their conditioning units to the maximum. But if the temperature of your air conditioner falls below 32 degrees Fahrenheit, condensation forms and freezes. You can avoid this by having your thermostat set at 75 degrees Fahrenheit which is an indoor design.

Turning off your unit for an hour or two will enable it to unfreeze.

Refrigerant leakage

If your air conditioner is leaking refrigerant, it is more likely to blow out hot air. A refrigerant leak is a common issue that can affect your unit with prolonged use.

Leakage of refrigerants can occur for a variety of reasons. The most common are heavy usage and a lack of care. As a result, the high load induces component wear and tear and, ultimately, refrigerant leakage. If this is the case, the best approach is to contact your air conditioning firm for a repair.

The breaker switch has blown

The outdoor unit of your HVAC system is normally powered by a separate source than the indoor one. Because of a faulty breaker, your outdoor unit’s on/off switch may occasionally trip.

Check the breaker and turn it back on if you find your system blowing warm air. If this happens again, you should contact your air conditioner firm since there could be a problem with the system.

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