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.

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 ...

Lexie is a former Staff Writer at Forbes Home and has over 6 years of professional experience as a writer and editor in the home improvement space. She's previously worked at sites such as HomeAdvisor ...

Many DIY enthusiasts have to contend with electrical wiring eventually in some capacity. The descent into this rabbit hole often begins with the fundamental question: What exactly is a wire gauge, and ...