If your AC will turn on, but isn't cooling your home, try:
Air Conditioner Won't Cool My House
Your AC air filter is typically located at the air return for your air conditioner (the big grille that sucks air into it, instead of blowing it out), or at the evaporative coil itself (remember, that's the inside unit). Go check this filter now!
If your AC air filter is clogged, then replace it.
If your AC air filter isn't clogged, then replace it anyway!
AC air filters can be clogged but still look clean...the only way of knowing if it is fresh is to replace it, and do so every three months at a minimum!
Step 3: My AC Unit Won't Turn On - Check Your Circuit Breakers
Your AC won't turn on if you have a tripped circuit breaker. But why do circuit breakers trip?
A circuit breaker is a safety feature, and it is designed to click the power off to an electrical component of your home (like your air conditioner) if there is some type of power surge. Most times this is just a harmless power surge in the grid.
1.Locate the air conditioner circuit breaker marked on your home's main power distribution panel...the big circuit breaker panel located inside our outside of your house. It will be marked as "A/C," "HVAC," or "air..." something like that. If none of your circuit breakers are marked... Turning off the wrong one won't hurt anything, but it'll take you a bit of the process of elimination to figure them all out...
2.Turn this breaker all the way off.
3.Wait a few seconds.
4.Now turn the breaker on again.
5.Check your air conditioner.
There are a couple of important tips to keep in mind when dealing with circuit breakers:
6.Circuit breakers can look ON, even when they are tripped. So, make sure that you turn it all the way off, then back on again.
7.Only reset a circuit breaker ONCE! If it keeps tripping off, that's because there's a problem and you run the risk of starting an electrical fire if you keep turning it back on. If it keeps tripping, call out an HVAC technician.
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