Technology Editor Bill Wong didn’t have to pull a new cable to fix his thermostat. He should have tried Energate’s EZWire instead. In an earlier post, I described how a snafu with my Nest thermostat ...

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 ...

It was one of those weekends. Being rather cold out, the air conditioner (of course) decided it was going to start running. When the usual check of my Nest thermostat didn’t provide any insight, I ...

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.