Serving all of Brevard County, FL
April 12, 2021

What To Do if Your HVAC Thermostat Doesn’t Work?

Why a Good Thermostat is Important for Your AC Performance

What To Do if Your HVAC Thermostat Doesn’t Work?

Your thermostat is command central for your HVAC unit. When it isn’t working correctly, it can make things pretty uncomfortable, not to mention expensive. Below we look at the top three issues we see with thermostats and what to do if you run into them as well.

1. Your Unit Goes Dark

The thermostat no longer lights up or displays information. Check the power source. Usually, thermostats run on batteries, and people often forget to update them yearly. Open up the panel and if it looks dirty inside, clean out any dust or debris with a soft brush. While your in there, look for any loose wiring or terminal screws. If that doesn’t work and your entire unit won’t fire up, check the breaker box for a tripped fuse.

2. The Temperature You Set and the Room Temperature you Get do Not Match

With a manual thermostat, make sure its level. Next, adjust the dials and see if they move freely. Note the location of the thermostat. Is it in direct sunlight or an area that is either warmer or cooler than the rest of the house? If you have a digital thermostat, follow the tips in step 1 to clean and inspect the device.

3. HVAC Keeps Cycling (short-cycling)

First, repeat the tips in step 1 to make sure the device has adequate power, wires are intact and the unit is clean. If you have a setting for the ‘anticipator’, move the dial towards the word ‘longer’ (analog thermostat).

If all else fails, give us a call to professionally troubleshoot the problem.

Posted On:
April 12, 2021


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