This can also result in erratic behavior from your thermostat. Examine the wiring for any loose or corroded connections, tightening screws and ensuring wires are securely attached to the terminals,’ ...

the "common wire." In learning about smart Wi-Fi thermostats and how they work, we came across this little wire and could not believe how important it was to run a smart home. The C-wire enables the ...

As the temperature changes, the contraption tilts and the mercury bead moves, making or breaking contact with the wiring. More sophisticated thermostats have replaced the mercury bead with ...

The best smart thermostats we've tested can control your home's heating and cooling with your phone or voice—and might help you save on energy costs. I’ve been working with computers for ages ...

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It’s no secret that programmable thermostats are a great way to save money on your utility bills. But people often forget to program their thermostats, which means they’re missing out on the ...

Unlock to see our ratings and compare products side by side The primary power for this thermostat is supplied via c wire (24vac). A "C" wire is not required for most ...

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Jon Reed is a senior editor overseeing coverage for CNET's home, energy and utilities category. Jon has over a decade of experience of writing and reporting as a statehouse reporter in Columbus ...

Please verify your email address. Smart thermostats are a great way to modernize your home. They set heating and cooling schedules and make HVAC systems more efficient, usually leading to some ...

Smart thermostats are usually easy to install, but it's important to know how your system is wired before you begin. Always make note of your wiring before you remove your old thermostat ...