Updated October 2026
Data from Amazon and official Honeywell Home site.
2026 verdict
Honeywell Home X7S Smart Thermostat beats Honeywell Home T9 Smart Thermostat in 2026, with its clearest edge on price, connectivity, and integrations.
Its clearest strengths are price, connectivity, and integrations, and it still looks stronger on alerts. There is still a case for Honeywell Home T9 Smart Thermostat, but mainly if included accessories are what you value most. That is why Honeywell Home X7S Smart Thermostat wins the verdict here.
vs
Winner
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| Feature | Honeywell Home T9 Smart Thermostat | Honeywell Home X7S Smart Thermostat | Winner |
|---|---|---|---|
| Price | $209.99 | $151.03 | Honeywell Home X7S Smart Thermostat |
| Included accessories | Temperature Sensor | None | Honeywell Home T9 Smart Thermostat |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi, 5 GHz WiFi | Honeywell Home X7S Smart Thermostat |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, External Temperature Sensors | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter, External Temperature Sensors | Honeywell Home X7S Smart Thermostat |
| Alerts | Temperature Alerts | Temperature Alerts, Air Quality Alerts | Honeywell Home X7S Smart Thermostat |
| Rating | 4.3 | 4.3 | Tie |
| Warranty | 2 years | 2 years | Tie |
| Screen | YES | YES | Tie |
| Sensors | Proximity / Motion, Occupancy, Temperature, Humidity | Proximity / Motion, Occupancy, Temperature, Humidity | Tie |
| Energy Savings | YES | YES | Tie |
| System Health Monitor | YES | YES | Tie |
| Voice Control | YES | YES | Tie |
$209.99
- + Included accessories: Temperature Sensor
- - Price: $209.99 vs $151.03
- - Connectivity: 2.4 GHz WiFi vs 2.4 GHz WiFi, 5 GHz WiFi
Winner
24% OFF
$151.03
$199.99
- + Price: $151.03
- + Connectivity: 2.4 GHz WiFi, 5 GHz WiFi
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter, External Temperature Sensors
- - Included accessories: None vs Temperature Sensor
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Honeywell Home T9 Smart Thermostat
- Honeywell Home X7S Smart Thermostat
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Frequently Asked Questions
Which is better overall: Honeywell Home T9 Smart Thermostat or Honeywell Home X7S Smart Thermostat?
Honeywell Home X7S Smart Thermostat has the stronger overall profile in this comparison, especially for price, connectivity, and integrations.
What is the biggest difference between Honeywell Home T9 Smart Thermostat and Honeywell Home X7S Smart Thermostat?
Price is one of the clearest differences: Honeywell Home T9 Smart Thermostat lists $209.99, while Honeywell Home X7S Smart Thermostat lists $151.03.
Which one looks better on price?
Honeywell Home T9 Smart Thermostat is listed at $209.99, while Honeywell Home X7S Smart Thermostat is listed at $151.03. Honeywell Home X7S Smart Thermostat (better spec).
Who should buy Honeywell Home T9 Smart Thermostat?
Choose Honeywell Home T9 Smart Thermostat if your priority is included accessories and that matters more than price.
Who should buy Honeywell Home X7S Smart Thermostat?
Choose Honeywell Home X7S Smart Thermostat if your priority is price and connectivity and that matters more than included accessories.
Full comparison table
Compare all 22 Thermostats side by side
You are looking at two of them. The full table lines up all Thermostats in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 22 Thermostats
- 51 specs compared
- 47 filters
CieloBreez Max
$114.50
SensiTouch smart thermostat
11% OFF$179.99$159.99
EcobeeSmart Thermostat Premium
27% OFF$204.97$149.63
SensiSmart thermostat
24% OFF$129.99$98.98
EcobeeSmart Thermostat Enhanced
18% OFF$199.99$164.99
GoogleNest Learning Thermostat (4th gen)
11% OFF$279.99$249.00
CieloBreez Eco
$79.00
Honeywell HomeRTH9585WF Wi-Fi Smart Color Thermostat
31% OFF$179.99$123.49- Honeywell Home
T9 Smart Thermostat
$209.99 
Honeywell HomeT5 Smart Thermostat
31% OFF$109.99$75.99
SensiTouch 2 smart thermostat
12% OFF$189.00$166.59
AmazonSmart Thermostat
23% OFF$119.98$92.18- Honeywell Home
X7S Smart Thermostat
24% OFF$199.99$151.03 
EcobeeSmart Thermostat Essential
21% OFF$139.99$109.99
Honeywell HomeX2S Smart Thermostat
26% OFF$84.99$62.99
GoogleNest Learning Thermostat
€249.00
AqaraThermostat Hub W200
$159.99
GoogleNest Thermostat
18% OFF$129.99$105.99
Honeywell HomeX8S Smart Thermostat
6% OFF$259.99$245.00
SensiLite smart thermostat
$64.99
- ThermostatsHoneywell Home
RTH9585WF Wi-Fi Smart Color Thermostat
4.3(20,106)31% OFF$179.99$123.49 - ThermostatsHoneywell Home
T5 Smart Thermostat
4.3(1,518)31% OFF$109.99$75.99 - ThermostatsHoneywell Home
T9 Smart Thermostat
4.3(2,980)$209.99 - ThermostatsHoneywell Home
X2S Smart Thermostat
4.2(414)26% OFF$84.99$62.99 - ThermostatsHoneywell Home
X7S Smart Thermostat
4.3(82)24% OFF$199.99$151.03 - ThermostatsHoneywell Home
X8S Smart Thermostat
4.1(153)6% OFF$259.99$245.00 
Water Leak SensorsHoneywell HomeL1 WiFi Water Leak and Freeze Detector
3.8(68)8% OFF$68.00$62.23