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Why Does My AC Keep Stopping and Restarting?

April 11, 2016 | Blog

Summers in our area are truly a treat, and there is certainly no shortage of pleasant, sunny days to enjoy. It is a lot more difficult to truly get out there and enjoy the summer season, though, when you don’t have an air conditioner that you can count on to keep your home cool and comfortable. That is why any problems with your home cooling system should be reported to a skilled, trained professional immediately. The longer that you wait to have any problems with your system resolved, the more likely it becomes that your system will suffer serious, potentially costly, AC repairs.

It’s Called Short Cycling

When an air conditioner starts up its cooling cycle only to power down again before that cycle is completed, that’s called short cycling. This problem is much more than just a minor inconvenience, mind you. Over time, the excess wear and tear that short cycling puts on your system can really start to take its toll and can lead to an increased risk of operational problems, repair needs, and even premature breakdowns. Plus, your air conditioner is going to draw more energy when starting up than it does when running consistently, which can lead to higher than necessary energy costs. Don’t let short cycling put the efficiency or reliability with which your system operates at risk.

What Causes the Problem, Though?

If your air conditioner is short cycling, there could be a few different factors at play. There could be an electrical control issue with the air conditioner, or your thermostat may be malfunctioning and reading/reporting temperatures incorrectly. You may also have a bad run capacitor in your air conditioner. This device maintains the proper current in a running air conditioner, and your system may cycle off if the run capacitor is not able to do its job properly. If your system has always short cycled, though, it may simply be too big for your home, cooling it too quickly. In this case, a replacement with an appropriately sized system is really your only option.

Call Lee’s Air Conditioning, Heating and Building Performance to schedule air conditioning repairs in Fresno, CA with a qualified service specialist.

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