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Theres nothing worse than having your air conditioner fail on a hot day. And for some its much more than a big nuisance; it can be a health hazard. But by paying attention to the ample warning signs a failing air conditioner provides, youll be able to tell when an AC tune-up might not be enough.


The most telling sign of impending air conditioner failure is, obviously, a failure of the AC unit to keep your home cool. And that could indicate a compressor failure. If the system doesnt start, or if only the fan engages and not the compressor, the compressor could be about to quit. If the system runs for a longer time than usual and isnt producing enough cool air, or if the air conditioner trips the circuit breaker or blows a fuse, that could be the fault of the compressor as well.


Another potential sign of air conditioner trouble is if the unit is noisy when it runs, emitting clanking, buzzing or banging sounds. AC units normally make a humming noise; if you hear something different, there could be a problem.

Unusually High Bills

High utility bills are, of course, not that unusual during peak AC usage periods, but if they are higher than normal that could be an indication of a compressor malfunction. Low pressure in refrigerant lines is another indicator. The pressure has to be taken with a specific type of gauge that wouldnt be worth purchasing unless you plan on servicing your air conditioner yourself, so call Approved Comfort and a technician can take that measurement for you.

Should you experience any of these signs, its time for a system evaluation. And if your AC system is more than 10 years old, its a candidate for replacement. There are many problems that can develop over that period of time, and although they may be able to be repaired, it would be more cost-effective to simply replace the entire system. A respected contractor such as Approved Comfort can install a new system that is much more energy efficient than the old system youre using, and will lead to substantial savings on your electric bill.