A faulty thermostat can shorten your HVAC system’s lifetime and also increase your bills, so it’s important that you know all the solutions to a faulty thermostat.
As they’re very complicated, you can find here step-by-step guides that will be your helping hand when dealing with simple or complex problems.
A good working thermostat will save you money on bills and cool your home effectively, so it’s important to learn some basics.
If you recently noticed that your thermostat gives you false readings and that it’s set at 72°F while reading 75° F - there could be a ton of different reasons.
If you suspect that you have a faulty thermostat and you don't have a multimeter to test it out, the best way to do so is to bypass the thermostat.