Smart Thermostats with Extra Temperature Sensor

ENERGY STAR certified smart thermostats whose control-feature list includes an additional home temperature sensor. Whether the sensor is included in the box is not part of the dataset (n/c). The page matches the stated field only; it does not rate quality, noise, reliability or value.

53 models match · official ENERGY STAR product data · dataset updated 2026-11-06

At a glance

Matching models53 of 115 (46%)

Brands in the list18

Temperature accuracy (static, as listed)0.1 – 1.79 median 0.53

Network standby (W)0.09 – 2.59 median 0.83

Most listings come from First Alert (11), Resideo (7), Ecobee (6), TCC (6). Counts and ranges are calculated from the same official fields as the table below.

How models are selected

Rule: control features list an additional home temperature sensor. Models with no value for the field are left out; a missing value is never treated as zero. The list is sorted by Network standby, lowest first, which is an ordering and not a recommendation.

53 matching models

Showing the first 50 of 53, in the order stated above.

Specs as listed by ENERGY STAR; “n/c” means the listing has no value.
Model	Connectivity	Temperature accuracystatic, as listed	Network standbyW	Control featureslisted
Verdant VX4-*TR-	Bluetooth, Zigbee, Other	1.79	0.09	6
TCC TH8321R	Other	0.25	0.13	5
TCC TH8110R	Other	0.12	0.14	4
TCC TH8320R	Other	0.1	0.14	4
Verdant ZX-TR-	Bluetooth, Zigbee, Other	1.71	0.15	6
Ecobee EB-STATE5	Bluetooth, Wi-Fi, Other	1.01	0.17	7
TCC TH8321WF	Wi-Fi	0.2	0.17	4
Verdant VX3-TR-	Bluetooth, Zigbee, Other	0.26	0.18	6
First Alert TH6220WF	Wi-Fi	0.81	0.34	4
First Alert TH6320WF2	Wi-Fi	0.86	0.34	4
Resideo TH6220WF	Wi-Fi	0.81	0.34	4
Resideo TH6320WF2	Wi-Fi	0.86	0.34	4
First Alert RCHT8610WF	Wi-Fi	0.87	0.36	4
Resideo RCHT8610WF	Wi-Fi	0.87	0.36	4
GE 93129894	Wi-Fi	0.33	0.43	2
GE 93130061	Wi-Fi	0.33	0.43	2
Pro1 CT855iSH	Wi-Fi	1.36	0.47	4
Pro1 L47-696	Wi-Fi	1.36	0.47	4
Pro1 T855iSH	Wi-Fi	1.36	0.47	4
Vive TP-S-855iCRH	Wi-Fi	1.36	0.47	4
Lennox Lennox E40 Smart Thermostat	Bluetooth, Wi-Fi	1.03	0.57	4
Bryant T6-WEM01-A	Other, Wi-Fi	0.45	0.81	5
Carrier TP-WEM01-A	Other, Wi-Fi	0.45	0.81	5
Ecobee EB-STATE3LT***-##	Wi-Fi, Other	0.45	0.81	5
Verdant VX4-*TW-	Bluetooth, Zigbee, Other	1.45	0.81	6
Verdant VX3-TW-	Bluetooth, Zigbee, Other	0.17	0.82	6
Verdant ZX-TW-	Bluetooth, Zigbee, Other	0.18	0.83	6
Ecobee EB-STATE7	Bluetooth, Other, Wi-Fi	0.73	0.88	5
TCC TH9320WF	Wi-Fi	0.37	0.9	4
Ecobee EB-STATE3***-##	Wi-Fi, Other	0.53	1.06	5
Alarm.com B36-T10	Z-Wave	0.35	1.11	8
Ecobee EB-STATE4***-##	Wi-Fi, Other	0.7	1.19	5
Sensi ST76	Wi-Fi	1.28	1.23	4
TCC THX9421R	Other	0.12	1.38	5
Source1 SHC350	Wi-Fi	0.23	1.39	2
First Alert RCHT9*10WF	Other, Wi-Fi	0.35	1.65	5
First Alert TH6320WF	Other, Wi-Fi	0.35	1.65	5
First Alert THX***WF	Other, Wi-Fi	0.35	1.65	5
Fisrt Alert RCHT9*10WF	Other, Wi-Fi	0.35	1.65	5
Honeywell Home TH6320WF	Other, Wi-Fi	0.35	1.65	5
Honeywell Home THX***WF	Other, Wi-Fi	0.35	1.65	5
Resideo RCHT9*10WF	Other, Wi-Fi	0.35	1.65	5
Resideo TH6320WF	Other, Wi-Fi	0.35	1.65	5
Resideo THX***WF	Other, Wi-Fi	0.35	1.65	5
Ecobee EB-STATE6	Bluetooth, Other, Wi-Fi	0.53	1.83	7
American Standard ACONT824AS52DB	Wi-Fi, Z-Wave	0.73	1.9	5
Trane TCONT824AS52DB	Wi-Fi, Z-Wave	0.73	1.9	5
First Alert THX1000	Bluetooth, Other, Wi-Fi	0.96	2.19	8
First Alert X7S	Bluetooth, Other, Wi-Fi	0.96	2.19	8
First Alert THX1100	Bluetooth, Other, Wi-Fi	0.63	2.59	8

Related shortlists and tools

Smart Thermostats with Outdoor Temp Detection 59 models
Smart Thermostats with an Occupancy Sensor 50 models
Smart Thermostats with Wi-Fi 97 models
Smart Thermostats with Humidity Sensing 70 models
Smart Thermostats with Accuracy of 0.35 or Less 32 models
Low-Standby Smart Thermostats (0.5 W or Less) 49 models
Heating: what matters when choosing

Sources

ENERGY STAR product guidance for smart thermostats (data.energystar.gov, updated 2026-11-06)

We compile and compare published data; we do not run our own product tests. See How We Compare.