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.

Just like WiFi-enabled lights and plugs and locks, smart thermostats give you the ability to automate the temperature ...

All products featured on WIRED are independently selected by our editors. However, when you buy something through our retail links, we may earn an affiliate commission. Easy-to-follow setup. Gorgeous ...

That way you can make sure that everything is off. You’ll need to remove the faceplate of your old thermostat to get at the low-voltage wiring and backplate. It should pop right off with a little bit ...

Conventional thermostats are based on separate temperature sensor and heater devices with means for feedback between them. But in some recent EDN design ideas (DIs) we’ve seen thermostat designs that ...

While there’s no hardware presence at I/O 2021, Made by Google today did release the Nest Power Connector as a “simple and affordable alternative to a C wire” for Thermostat setups that require ...