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Be comfortable in the rooms that matter.
Most thermostats only read the temperature in one place (usually the hallway) which can make other rooms uncomfortable. ecobee4 comes with a room sensor to help manage hot and cold spots.
When you place sensors in your favorite rooms, ecobee4 can read the temperature and detect occupancy. That's how it ensures comfort in the rooms that matter.
Comes with Amazon Alexa Voice Service built inside.
With Amazon Alexa Voice Service built inside, ecobee4 can perform the many 'skills' that come with Alexa. All you have to do is ask, and watch the blue light pipe on top of the thermostat blink in response. For total hands-free control, it can even hear you from across the room..
With Alexa, fulfill everyday tasks with a simple command.
Imagine you’re throwing a last-minute dinner party. Simply ask your ecobee4 to walk you through each step out loud – from finding the right recipes to the ideal music playlist.
Designed to be seen and heard.
ecobee4 has embedded microphones with far-field voice recognition and a speaker engineered for clear voice and full sound. It’s the smart thermostat that looks at home on your wall – that you can hear and speak to from across the room.
Save an average of 23%* in heating and cooling costs each year.
Smart Home/Away can automatically enable the right mode for energy savings when it senses no one is home.
Free energy reports show you how much energy you’ve conserved each month and provide insight into your heating and cooling equipment.
Engineered to belong in your home.
ecobee thermostats are hardwired, which means your thermostat isn’t relying on a battery or your HVAC equipment to charge itself.
ecobee Thermostats Comparison
Built-in Amazon Alexa Voice Service (voice enabled) Yes No Far field voice technology Yes No Works with room sensors Yes; 1 free in box Yes; sold separately Display 3.5" Full Color (320X480) 3.5" Full Color (320X480) Power Extender Kit / C wire for reliability Yes; in the box Yes; in the box Occupancy detection Yes; thermostat + room sensors Yes; room sensors Smart algorithms Yes Yes Free online energy report (HomeIQ) Yes Yes Warranty 3 year customer install 3 year customer install Wifi 2.4GHz b/g/n 2.4GHz b/g/n Compatibility Conventional (2H/2C).
Heat pump (4H/2C) incl.
2-stage auxiliary heat.
Gas, oil, electric.
Dual fuel support.Conventional (2H/2C).
Heat pump (4H/2C) incl.
2-stage auxiliary heat.
Gas, oil, electric.
Dual fuel support.Accessory support (Humidifier, dehumidifier, ventilator, ERV, HRV) Yes No 
Not at your thermostat? No problem.
Comfort on the go
Adjust temperature and comfort settings easily from the ecobee mobile app on your Android and iOS devices, including Apple Watch.
Knows you have a life
Vacationing and forgot to let your ecobee know? Make a vacation event using the ecobee mobile app. If something’s wrong with your equipment, we can send you service alerts and reminders.
Control the speaker and microphone
Use the app to lower your volume, or enable Privacy Mode (microphone off) if you want to give Alexa a breather.
General Manufacturer ecobee Manufacturer Product No. EB-STATE4P-01 UPC 627988401102 Display 3.5” full-color LCD touch screen
320 x 480 pixel displayThermostat Dimensions (L x W x D) 109 mm x 109 mm x 26.1 mm Room Sensor Dimensions (L x With stand x W x D) 44 mm x 54 mm x 44 mm x 20 mm Trim Plate Dimensions (L x W x D) 158.59 mm x 158.59 mm x 8.69 mm Power Extender Kit* Dimensions (L x W x D) 44 mm x 54 mm x 20 mm
*Optional for installationThermostat sensors Temperature
Humidity
Occupancy
ProximityVoice & audio Built-in Alexa Voice Service
Built-in microphones
Built-in speaker
Far-field voice recognition
Sensory TrulyHandsfree™ Wake Word engineCompatibility Gas, oil, electric, dual fuel
Conventional (2H/2C)
Heat Pump (4H/2C)
Humidifier, Dehumidifier, Ventilator, HRV or ERVWire Terminals Rc - Rh
G - C
Y1 - W1
Y2 - W2
O/B - ACC -
PEK - ACC +Connectivity & Security Wi-Fi, IEEE 802.11 b/g/n @ 2.4 GHz
Wi-Fi Protected Access (WPA/WPA2) and Wired
Equivalent Privacy (WEP)
DHCP (dynamic) or static IP addressing
Transport Layer Security (TLS)
915MHzBandwidth 15+ MB/month (dependent on Alexa Voice Service usage) Power Consumption less than 3.5 VA Works with Apple HomeKit, Amazon Alexa, Samsung SmartThings, IFTTT and more. Powering Methods Wired 24 VAC through terminals C and Rc.
Power Extender Kit enables you to reliably power your thermostat without having to run a fifth wire.Sustainability Recycled packaging
Mercury-free
Arsenic-free
PVC-free
ROHS compliantTemperature Range Desired Temperature: 44° to 92°F (7° to 33°C)
Display: 41° to 98°F (5° to 37°C)
Sensitivity: +/- 0.9°F (+/- 0.5°C)
Operating:: 32° to 131°F (0° to 55°C)Humidity Range Display: 20% to 90% RH
Sensitivity: +/- 5% RH
Operating: 5% to 95% RH (non condensing)Storage -31° to 113°F (-35° to 45°C)
5% to 95% RH (non condensing)Warranty 3-years - 1x - ecobee4 thermostat
- 1x - ecobee4 mounting plate
- 1x - Room sensor with detachable stand
- 1x - Install guide
- 1x - Wire labels
- 1x - Voice card
- 1x - Screws and drywall plugs
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