Winner
Updated November 2026
Data from the official Ecobee and Honeywell Home sites.
2026 verdict
Ecobee Smart Thermostat Premium beats Honeywell Home X8S Smart Thermostat in 2026, with its clearest edge on price, rating, and warranty.
It builds its lead on price, rating, and warranty, then backs it up with a stronger showing on included accessories and connectivity. Honeywell Home X8S Smart Thermostat can still be the right pick, but only if integrations and system health monitor outweigh the wider strengths of Ecobee Smart Thermostat Premium. For the average buyer, Ecobee Smart Thermostat Premium is the safer choice.
vs
Connectivity
- Wi-Fi 2.4/5 GHz
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| Feature | Ecobee Smart Thermostat Premium | Honeywell Home X8S Smart Thermostat | Winner |
|---|---|---|---|
| Price | $242.48 | $259.99 | Ecobee Smart Thermostat Premium |
| Rating | 4.3 | 4.1 | Ecobee Smart Thermostat Premium |
| Warranty | 3 years | 2 years | Ecobee Smart Thermostat Premium |
| Included accessories | Trim Plate, Temperature Sensor | Temperature Sensor | Ecobee Smart Thermostat Premium |
| Connectivity | 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth | 2.4 GHz WiFi, 5 GHz WiFi | Ecobee Smart Thermostat Premium |
| 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 X8S Smart Thermostat |
| Sensors | Proximity / Motion, Occupancy, Temperature, Humidity, TVOC, CO₂ | Proximity / Motion, Occupancy, Temperature, Humidity | Ecobee Smart Thermostat Premium |
| Alerts | Temperature Alerts, Air Quality Alerts, Fire Alerts, Intrude Alerts | Air Quality Alerts | Ecobee Smart Thermostat Premium |
| System Health Monitor | NO | YES | Honeywell Home X8S Smart Thermostat |
| Power | C-Wire Required | C-Wire Required | Tie |
| Screen | YES | YES | Tie |
| Energy Savings | YES | YES | Tie |
Winner
7% OFF
$242.48
$259.99
- + Price: $242.48
- + Rating: 4.3
- + Warranty: 3 years
- - Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, External Temperature Sensors vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter, External Temperature Sensors
- - System Health Monitor: NO vs YES
$259.99
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter, External Temperature Sensors
- + System Health Monitor: YES
- - Price: $259.99 vs $242.48
- - Rating: 4.1 vs 4.3
Frequently Asked Questions
Which is better overall: Ecobee Smart Thermostat Premium or Honeywell Home X8S Smart Thermostat?
Ecobee Smart Thermostat Premium has the stronger overall profile in this comparison, especially for price, rating, and warranty.
What is the biggest difference between Ecobee Smart Thermostat Premium and Honeywell Home X8S Smart Thermostat?
Price is one of the clearest differences: Ecobee Smart Thermostat Premium lists $242.48, while Honeywell Home X8S Smart Thermostat lists $259.99.
Which one looks better on price?
Ecobee Smart Thermostat Premium is listed at $242.48, while Honeywell Home X8S Smart Thermostat is listed at $259.99. Ecobee Smart Thermostat Premium (better spec).
Who should buy Ecobee Smart Thermostat Premium?
Choose Ecobee Smart Thermostat Premium if your priority is price and rating and that matters more than integrations.
Who should buy Honeywell Home X8S Smart Thermostat?
Choose Honeywell Home X8S Smart Thermostat if your priority is integrations and system health monitor and that matters more than price.
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