When something goes wrong with your air conditioner, especially if it happens during a heat wave—which is when the AC is most likely to struggle—you want it fixed right away. Having to wait for a technician when your AC stops working can be miserable! But it’s even worse if, when the technician comes to take a look, they discover that nothing was really wrong after all.
If you can get to the bottom of an air conditioning problem yourself, wouldn’t it be best to do that? It could be quick and easy, and you could have your AC working again in minutes. Of course, actual HVAC maintenance and repair needs to be done by a pro. But you can follow this AC troubleshooting checklist, and you might be able to resolve some basic issues—no repairs needed. Here’s what to do.