My air conditioner is not working, what is the problem?

If you’re like most people in the Midwest, you finally had to turn on your air conditioner over Memorial Weekend.  You may have found it not working and called your local HVAC dealer as soon as you discovered this.  Here are some tips for finding what’s causing your air conditioner to fail.

If my air conditioner is no longer cooling properly, what is the most likely problem?

It could be as simple as replacing a fuse or filter, resetting a circuit breaker or checking to see if the thermostat is set properly.  If an electrical problem isn’t the cause, the refrigerant may be low if the system still runs but does not cool properly.  This can be corrected by having a certified technician add necessary refrigerant and fix any possible leak.  Most likely, if the problem involves any major part, such as the compressor, you would hear strange noises similar to those of any mechanical equipment not running correctly, or the unit might not run at all.

Can homeowners repair their own air conditioners?

In most cases, definitely not.  Cooling systems today are more complicated to service and usually require expert attention in order to comply with federal regulations.  An EPA certified air conditioning contractor or service technician should be called at the first sign of trouble.  Let us know if you have any concerns about your air conditioner.

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