Ecobee Smart Thermostat

(Evaluated by UC Berkeley) An advanced thermostat controls residential and small commercial Heating, Ventilation, and Air Conditioning (HVAC) equipment while communicating with other systems, and uses computational capability to provide advanced functionality, such as including additional sensors, the ability to group multiple thermostats, energy reports, and/or notifications.

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Technology Basics Application Guidance Energy & Cost Impacts

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Ecobee Smart Thermostat

The Ecobee supports up to two stages of heating and cooling for conventional systems and heat pumps. Ecobee has optional air quality monitoring, remote occupancy/temperature sensors, and HVAC accessory (ventilator, HRV). Ecobee works with demand response programs and communicates via Wi-Fi. The thermostat provides alerts for freeze protection.

Hub Highlights:

On-board radar occupancy, VOC/CO2; remote wireless occupancy/temperature sensors
Pairs with other systems (cameras etc); option for door/window sensors

Model Number	EB-STATES-01
Primary Setting	Both Commercial and Residential
User Interface Options	Mobile app (ecobee)
Multiple Thermostat Control	Manage up to 16 thermostats
Access Restriction	Lockout code
Notifications/Reports	Reminders (filter, UV lamp, HVAC servicing) Alerts (low temp, heating/cooling system errors) Reports (runtime, weather impact, efficiency, comparison to others)
Available Sensors	Onboard radar occupancy, VOC/CO2, and relative humidity sensors Remote wireless occupancy/temperature sensors Pairs with other systems (cameras etc)
Offered as a plug load management service solution including energy reduction, demand response, predictive maintenance, and data analysis	Can participate in Utility Demand Response programs; Open Automated Demand Response (OpenADR) capable

Last Edited on: 07/2023

Model	EB-STATES-01
Sample Size	1
Thermal sensor accuracy (@68F)	0.5±0.3 °F
Thermal sensor accuracy (@75F)	0.5±0.4 °F
Impact of surrounding surface temperature on Thermal sensor accuracy	Very good
Standby power	1.72 W

Last Edited on: 10/03/24

Data Collection

The technology evaluation team performed a heuristic evaluation of basic thermostat modes of operation (turning on, changing setpoint, reading display) for each of the tested products. In heuristic evaluations assess user interfaces according to guidelines for the design of user-friendly systems.

Sample Size

Estimated Usability

Good: likely good usability in most tasks; Fair: likely fair usability in most tasks.

Good