Refurbished ecobee4

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out of stock


Sustainability meets value. Reduce e-waste and save when you purchase a Certified Refurbished ecobee4.

Sustainability meets value. Reduce e-waste and save when you purchase a Certified Refurbished ecobee4.

Certified Refurbished for a comfortable home and better world.

Every Certified Refurbished ecobee4 smart thermostat is inspected and fully tested to ensure it’s in like-new condition with the advanced features to control your home's temperature with your voice and reduce your carbon footprint.

  • Save 23% on annual energy costs**
  • ENERGY STAR® certified
  • Control from anywhere on iOS and Android
  • Alexa Built-in, Apple HomeKit + more integrations
  • Compatible with SmartSensor
  • Rigorous recertification process

Purchase with peace of mind

Return it for free within 30 days for a full refund.

Free shipping

Receive it in 2 to 3 business days.

Warranties without worry

ecobee devices are covered by a 3-year limited warranty.

Clarity when you need it

Our helpful support team is only a call away.

refurbished thermostat quality assurance

Guaranteed quality
Maintaining the highest quality while producing less waste

Our Certified Refurbished ecobee4 thermostats are designed to be easily repaired and are built to last. They offer the same savings, comfort, and control as a brand-new model.

  • Inspected and tested by ecobee engineers.
  • Must pass the same quality assurance test as a brand new ecobee4 thermostat.
  • Covered by the same 3-year limited warranty as brand new ecobee thermostats.

Works in harmony with leading smart home ecosystems including Apple HomeKit.

  • works with alexa built-in

    Amazon Alexa

  • Works with the Google Assistant

    Google Assistant

  • Works with Apple Home Kit

    Apple HomeKit

  • Works with Smart Things

    Samsung SmartThings

  • Works with IFTTT

    If This Then That

environmental impact of refurbished smart thermostat

Forward thinking solutions that focus on sustainability.

Purchasing Certified Refurbished products is a simple way to renew the lifespan of a device and have a positive environmental impact.

  • Keep e-waste out of landfills and reduce raw material consumption.
  • Preserve the Earth’s finite resources and get a smart thermostat at a lower price.
  • Certified Refurbished ecobee smart thermostats have diverted over 1,500 kgs / 3,300 lbs of waste so far.
Smart Thermostat with Alexa built-in attached to a white wall.

Voice control
Advanced voice control with Alexa Built-in.

Change the temperature with your voice, set a timer, check the weather, and control any other Alexa-enabled devices in your home from your thermostat.

Smart home sensors overview

Extend comfort to where it counts.

SmartSensor (sold separately) works with ecobee thermostats to detect temperature and occupancy. Place sensors anywhere for comfort everywhere and to help manage hot or cold spots.

Explore more

Feel good about saving.

Install with confidence on your own or with our help.

Everything you need to install your smart thermostat, besides basic tools, is in the box and installation should take about 45 minutes. If you need assistance, our helpful support team is always just a phone call away. Or hire a local professional to install it for you.

how to install a smart thermostat

* Per U.S. Energy Information Administration.

** Compared to a hold of 72°F/22°C.

¹ Based on internal measurements of thermostat runtime data, ecobee smart thermostats have delivered more than 17.6 TWh of energy savings.

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