Best Smart Thermostats · Honeywell Home · Updated June 2026

Honeywell Home X8S Smart Thermostat: specs and price (2026)

Honeywell Home X8S Smart Thermostat has a US price of $219.99 (US MSRP $219.99 per honeywellhome.com and Resideo press release. Launched December 3, 2025 (corrected from estimated 2024). Current flagship Honeywell Home smart thermostat replacing T9/T10 Pro line. Some variants include room sensor.). Below is its full, sourced spec sheet — every value links to the source and the date we captured it.

Specifications

Price (US)	$219.99 US MSRP $219.99 per honeywellhome.com and Resideo press release. Launched December 3, 2025 (corrected from estimated 2024). Current flagship Honeywell Home smart thermostat replacing T9/T10 Pro line. Some variants include room sensor.
Brand	Honeywell Home
Released	2025-12
display	5-inch full-color touchscreen with customizable color and style options
sensors included	Onboard radar occupancy sensor built-in; wireless room sensor included (varies by variant) or sold separately
geofencing	Yes
hvac compatibility	Up to 4H/2C heat pump systems; up to 3H/4C conventional systems; 24V low-voltage; C-wire required
c wire required	Yes
voice assistants	Amazon Alexa, Google Assistant, Apple HomeKit (Matter certified)
energy reports	Yes
release	2025-12

Source: honeywellhome.com (verified 2026-06-15) · corroborated by honeywellhome.com. honeywellhome.com product page confirms $219.99, 5-inch color touchscreen, radar occupancy sensor, advanced Auto-Away geofencing, up to 4H/2C heat pump / 3H/4C conventional, C-Wire required, Matter-certified (Alexa/Google/Apple Home), monthly energy reports. CORRECTED 2026-06-17: release date changed from estimated '2024' to '2025-12' — Resideo press release (PRNewswire 302631153) confirms the X8S was launched December 3, 2025 at $219.99 U.S. MSRP. Room sensor included in some SKUs.

Frequently asked questions

How much does the Honeywell Home X8S Smart Thermostat cost?

The Honeywell Home X8S Smart Thermostat has a US price of $219.99 (US MSRP $219.99 per honeywellhome.com and Resideo press release. Launched December 3, 2025 (corrected from estimated 2024). Current flagship Honeywell Home smart thermostat replacing T9/T10 Pro line. Some variants include room sensor.), as of 2026-06-15.

When was the Honeywell Home X8S Smart Thermostat released?

The Honeywell Home X8S Smart Thermostat was released 2025-12.

What are the Honeywell Home X8S Smart Thermostat's key specs?

Honeywell Home X8S Smart Thermostat (Honeywell Home): display 5-inch full-color touchscreen with customizable color and style options, sensors included Onboard radar occupancy sensor built-in; wireless room sensor included (varies by variant) or sold separately, geofencing Yes, hvac compatibility Up to 4H/2C heat pump systems; up to 3H/4C conventional systems; 24V low-voltage; C-wire required, c wire required Yes. Full sourced spec sheet verified 2026-06-15.