Why is my AC unit blowing cold air outside?

It usually happens when your AC has dirty filters. If the filters are clogged, the air cannot flow over the evaporator coil properly, causing several malfunctions. That causes the coil temperature to drop and start freezing, which leads to the condenser blowing cold air.

Should my outside unit be blowing cold air?





If the heat starts coming through, then heat is working. And typically, on heat mode, the outdoor unit should blow cold air outside.

Why is my AC blowing cold air when heat is on?

Defrost mode is essentially the same as cooling mode, therefore it is likely your heat pump will blow cool air while in this mode. Make sure the defrost cycle is finished before switching back. There are, of course, instances where something could be wrong with your heat pump.

Why is my AC blowing cold air but not cooling house?

Reasons why your air conditioner is running but your house is not cool can be: clogged air conditioner vents, thermostat is defective, or internal issues that need professional help.

How do I reset my outside AC unit?

How to Reset an Air Conditioner

  1. Power down your AC. Start at your circuit breaker panel and flip the breaker that powers your AC. …
  2. Find the button. Most air conditioning units are equipped with a reset button. …
  3. Hold down the reset button for 3 to 5 seconds and then release.
  4. Restore power to your AC.




Is the AC condenser supposed to be hot?

If the condenser becomes too hot, it will not be able to convert the refrigerant into cooled liquid form required to produce cold air. The AC condenser fan is designed to keep the condenser cool so that it can continue to efficiently convert the gas into liquid, and keep the AC system operating correctly.

Should I turn my AC off if it’s not cooling?

So, if your air conditioner isn’t cooling, and you suspect a refrigerant leak, or if you’ve checked the air filter and thermostat to no avail, yes, you should shut your air conditioner off and call us right away.

How long does a new AC take to cool?

three hours



A properly functioning central A/C unit should be able to cool a moderate, four-bedroom home by 10 degrees Fahrenheit in three hours. Although the cooling power of your A/C also depends on the power, size, and age of your unit, your home should be noticeable cooler within a few hours.