At CNET we've lauded the smart thermostat's capabilities to save money, revolutionize your home cooling and heating, and connect to other appliances like dehumidifiers in unique ways. But new buyers ...

Find the disconnect switch to your air handler or furnace, and switch it off. This will be located near the unit. Shut off the circuit breaker at your home’s electrical panel if you can’t find the ...

On paper, a smart thermostat sounds like a great deal-- offering potential savings while making home heating and cooling easier to manage through AI and remote sensors. In practice, a worry frequently ...

If you swapped the suspect 2-wire non-programmable with the known good 2-wire programmable from the bathroom and it works properly, there is no other conclusion. The 2-wire non-programmable is broken.