A common cause for an AC failing to keep a house cool enough during summer is because the air conditioning system isn’t completing its full cooling cycle and instead shuts down early. Sometimes the air conditioner may come back on soon after and repeat the process; this is called short-cycling. But the AC may also simply shut off and stay off for a long stretch. Either is bad news for your comfort, since it doesn’t give the cool air ample time to spread through the rooms, and short cycling brings the added problem of extra strain put on the system.
Below we’ll go over some of the more common reasons your AC might be shutting down before it’s done its job.