ecobee4 Smarter WiFi Thermostat + 2 Room Sensors

ecobee4 Smarter WiFi Thermostat + 2 Room Sensors

ecobee4 Smarter WiFi Thermostat + 2 Room Sensors
PRICE $313
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The ecobee4 Smarter WiFi Thermostat + 2 Free Room Sensors

Smart thermostats allow you to control your thermostat from your phone, and even learn your home temperature preferences to make automatic adjustments to keep you comfortable. But here's where the ecobee4 gets even smarter: it has innovative room sensors that can detect hot or cold areas of your home - making it the world’s only thermostat made for homes with more than one room. This bundle comes with a total of 3 remote room sensors.

A Smart Thermostat with Built-in Alexa Voice Service

Now featuring Amazon Alexa Voice Service, you can speak directly to your ecobee4 from across the room using far-field technology. With Amazon Alexa Voice Service built-in, ecobee4 can change the temperature, read you the news, play music and so much more — all you have to do is ask.

Anytime, anywhere

The ecobee4 lets you monitor and control the temperature in your home anytime, anywhere, on your smartphone, tablet, or computer. And when you're home, simply speak directly to your ecobee4 without the need for another device. 

Lower your energy bills

ecobee4 saves customers an average of 23% on their heating and cooling costs each year. For full details, visit

Room sensors

Not every room heats or cools the same. By measuring the temperature in the rooms that matter most, ecobee4 helps address hot and cold spots, keeping you comfortable. Most homes only need a few sensors, however if you're lucky enough to live in a Chateau, rest assured we support up to 32.

The wireless remote sensors measure temperature and occupancy. By knowing which rooms are occupied, ecobee4 makes smarter heating and cooling decisions, delivering more comfort when you're home, and savings when you're away.

Fast, Easy Installation


Most customers are able to install the ecobee4 in 30 minutes or less. Installation is made easy by ecobee's step-by-step guide that can be viewed from your phone or other mobile device. 

Before you purchase the ecobee4, please make sure that your heating and cooling system(s) are compatible. You can easily check your HVAC compatibility by using our thermostat buyer's guide

What’s a C-wire?

A c-wire (also referred to as a common wire) is a low voltage power wire that many modern thermostats require for their features to work. This ecobee4 requires a c-wire or installation of the power extender kit (included) to work.

Many older homes don’t have a c-wire because mercury and battery-powered thermostats didn’t require one. Therefore, it is important that you make sure that you have a c-wire and that your HVAC system is compatible with ecobee's thermostat. To determine if you have a c-wire, please remove your old thermostat's cover plate. You should see several wire terminals labeled with letters. If a wire is connected to the “C” terminal, you have a c-wire.

If you do not have a c-wire on your existing thermostat, you maybe able to substitute an extra wire or the “G” wire for the c-wire. You can also hire an HVAC contractor to help you install the c-wire and the thermostat.

If you still have any questions regarding the ecobee4 please contact our customer support team.


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