I have since removed the Honeywell RLV3120A 2-wire thermostat and put back in the old mechanical twist-knob thermostat. Since this one has three wires I connected the black and red to the same two ...

Technology Editor Bill Wong takes some unwanted time to replace his Nest thermostat after the heating system went south. It was one of those weekends. Being rather cold out, the air conditioner (of ...

On paper, a smart thermostat is an excellent deal, a way to gain newfound savings while making home heating and cooling easier to manage than ever through AI and remote sensors. In practice, a worry ...

Good news if you’re in the market for your first smart thermostat: You don’t have to break the bank for a feature-rich model.

Nest asked me to run the temperature logger for a week, recording at 30 second intervals, my heating cycles created by the Honeywell RTH6500. I emailed them a spreadsheet of the data file. Nest ...

My first experience with a Honeywell thermostat was when I was 13 years old. Home alone in 1975, I decided to take the cover off to see what was inside. The early 1950s-era gold-painted metal ...

Honeywell's version didn't work all that well. Rather than relying on an algorithm to adjust the heat and A/C like the Nest, the Lyric used geofencing tied to the location of your phone. (You set a ...