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My Air Conditioner Won’t Turn On – And Other Common AC Problems

Serving Durand, Eau Claire & Hudson WI

You can almost always expect it. Just as summer rears its head and the temperature and the humidity become more intense, your air conditioning system lets you down. If you find yourself in this unlucky situation, don’t sweat it — call Hurlburt Heating, Cooling and Plumbing.

In a lot of cases, the reasons for failure are relatively easy to fix or can be prevented with regular maintenance.

Here is a list of common AC problems people experience and what you can do about them.

AC Unit Won’t Come On

Sometimes curiously, an air conditioning unit won’t come on, but the fan in the furnace seems to be working just fine. There can be many reasons for this. First, check your thermostat to make sure it is working properly. A broken thermostat can easily disable an entire AC system and is an easy DIY repair.

If your thermostat check out and isn’t the problem, check your home’s circuit breaker and also the circuit breaker outside near the unit. Do note that if you suspect it may be the breaker, it’s a good idea to try and figure out what might have caused it to trip, before you attempt to reset it. If you flip the breaker and it does trip again, don’t repeat the process, call a professional to diagnose and repair the problem.

If you have an extensive garden growing around your unit, it could also be a reason your air conditioner isn’t coming on. Grass, leaves and debris can be easily sucked into the vents of your AC unit and cause damage to the capacitor. If you have reason to believe this might have happened, you will need to call for service.

Air Conditioning Unit is Suddenly Noisy

Most air conditioners make at least some noise when they are running, which is normal. If you are hearing vibrations or loud rattling noises, something could be wrong. This is definitely reason to have the AC unit checked by a professional.

Sometimes people report squealing sounds when their air conditioner is running. This may actually be coming from your air handler, the part of the ac system that regulates and directs air through the ductwork. Most new air handlers have direct-drive motors, but older units may be belt driven. The squeaking noise sometimes occurs when the belt connecting the blower to the motor slips. If you suspect this is the case, turn off your ac unit and call a professional to get proper diagnosis and repairs.

AC Runs, But My Home isn’t Cooling

If air is coming out of the vents, but it is not coming out cold, you might have a stalled condenser coil, the part of the air conditioning unit that produces cold air. Even if the air conditioner isn’t working properly, the fan will still run. Condenser failure can be caused by a blown fuse or tripped circuit breaker. In some cases, it isn’t the condenser at all and a lack of cool air can be due to low refrigerant. In either case it is best to contact a professional air conditioner repair professional to help you diagnose the problem.

Has the lack of cool air flow been gradual or seems to be fairly minimal? Your air conditioner may not be to blame at all. You could have leaks in your ductwork that are allowing cool air to escape. If your ducts are older, or tightly constructed you might be a good idea to have your air ducts inspected, sealed and possibly cleaned.

Anytime your air conditioner fails or you suspect something is mechanically wrong, contact a professional to help you diagnose the problem. At Hurlburt Heating, Cooling & Plumbing, we recommend regular maintenance to keep your unit running smoothly. We offer AC service and repair near Durand, Eau Claire & Hudson to help you avoid costly repairs and unexpected system failures so you can stay cool!

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