Carrier Connect Wi-Fi 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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Carrier Connect Wi-Fi Thermostat

The Carrier Connect WiFi Thermostat controls up to 4 heating stages and 3 cooling stages. The thermostat can enable demand response through utility programs. It automatically retrieves time, date and outdoor air temperature when connected to Wi-Fi and sports an auto-dimming display that lights up as you approach.

Hub Highlights:

Remote sensors (including occupancy, return air or fault) and outdoor air temperature through Internet weather
Option for humidity/economizer control

Model Number	33CONNECTSTAT
Primary Setting	Commercial
User Interface Options	Mobile app (Carrier Connect thermostat) or web portal
Multiple Thermostat Control	Manage multiple thermostats from the same location or different locations, individually or as groups, from single app or web portal
Access Restriction	Password protected Setpoints cannot be changed on interface, but modified up to 6 hours; Setpoints and schedule only modified through app Max heat and min cool temperature setpoints
Notifications/Reports	Email or text alerts; filter notification; history of parameter out-of-range events, server connectivity, temperature faults
Available Sensors	Onboard relative humidity sensor Outdoor air temperature through Internet weather Separate wired remote outside air temperature or additional space temperature sensors (return) or occupancy or fault sensor
Demand Response Capable	Can participate in Utility Demand Response programs; Open Automated Demand Response (OpenADR) capable

Last Edited on: 07/2023

Model	33CONNECTSTAT
Sample Size	1
Thermal sensor accuracy (@68F)	0.2±0.3 °F
Thermal sensor accuracy (@75F)	0.4±0.5 °F
Impact of surrounding surface temperature on Thermal sensor accuracy	Excellent
Standby power	0.75 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