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Power Extender Kit

$24.99

Make any home an ecobee Smart Thermostat home with the Power Extender Kit—an easy and cost-effective solution for homes without a C or common wire.

Before adding to your cart, use the Thermostat Compatibility Checker to see if your install needs the Power Extender Kit. Please note, all models except Smart Thermostat Lite come with it.

Return within 30 days for full refund

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Dedicated support team

Easily install any ecobee Smart Thermostat with our Power Extender Kit. 

Skip the expensive common wire installation with our do-it-yourself ecobee Power Extender Kit. It’s smart, straightforward, and a great way to save money. 

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    1. Check thermostat compatibility

    Not sure if you need a Power Extender Kit? Use the Thermostat Compatibility Checker to find out.

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    2. Install with confidence

    Scan the QR code on the box and follow the easy step-by-step installation guide to attach the Power Extender Kit to your furnace or air handler.

  • illustration of ecobee thermostat with "hi" written on the screen

    3. Built to last

    Once installed, it just works and will continue to power your ecobee smart thermostat for its entire life, with no maintenance or upkeep needed. 

Good to know

The Power Extender Kit comes with all ecobee smart thermostats except for the Smart Thermostat Lite. Also keep in mind that it is only compatible with ecobee smart thermostats.

ecobee thermostat on wall with phone screen showing ecobee compatibility checker

Check whether your thermostat requires the Power Extender Kit

Most ecobee thermostat installations do not require the Power Extender Kit. To find out if your installation needs the Power Extender Kit, use the Thermostat Compatibility Checker before purchasing.

Check thermostat compatibility

Your Power Extender Kit questions answered.

HVAC technician installs an ecobee thermostat

Not the DIY type?

Find a certified Pro near you to install your ecobee smart thermostat with our Power Extender Kit. 

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