Lots of things can go wrong with your thermostat

A temperature control controls your home’s indoor temperature, then when it breaks down, you will not be able to regulate your HVAC system and in turn, fail to keep your home’s indoor environment comfortable, and often, when a temperature control breaks down, it becomes unresponsive, then it fails to detect and adjust to temperature variations as you had anticipated, and sometimes, it may fail to signal your HVAC unit to turn on as expected.

  • In some cases, it would turn the HVAC unit on and will not turn it off at all, but a temperature control could break down because of a wiring defect that disrupts signal transmission between the temperature control and your HVAC equipment, and this could cause the method to start and stop unnecessarily.

This short-cycling causes temperature variation inside your home. Some rooms will not get conditioned air to heat or cool the room. Short cycling also strains the compressor and raises electricity bills, then checks your temperature control’s calibration to ensure it is correct. A faulty temperature control’s screen will be blank and will not have a backlight even after a battery change. It could also cause the blower fan to run continuously or fail to start at all. Check the wires that run from the temperature control to the central A/C and fix them if they are faulty. A temperature control could also have lost its connection to the compressor when the fan is running. Therefore, the HVAC method will not blow cool air from the vents. If you experience any of these issues, you need to call an HVAC professional to fix your temperature control! Better yet, troubleshoot your temperature control and determine the best course of action, replace the HVAC system’s temperature control if it is completely broken.
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