Sorry, the web browser you're using is not supported by this website.

Please use Google Chrome, Firefox, Safari, or another browser to access homex.com. Thank you.

Skip to main content

We use cookies to enhance your experience. For details on how we use cookies, collect data, & how to manage your consent please see our Cookie Policy & Privacy Policy.

What wires are needed for nest thermostat?

Most of the time, your system's heating and cooling wires can be used to charge the built-in battery of your thermostats. In a few situations you may need to connect a common or C wire to deliver the power to your thermostat.

Let's Get It Fixed!

HomeX virtual experts will assess your issue (for free!) and can resolve simple problems.

What Did You Think of This Article?

What Did You Think of This Article?

Shop Recommended ProductsShop HomeX Recommended Products