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  3. Honeywell Home X8S Smart Thermostat: The Flagship with Video Doorbell Intercom, Radar Presence, and Matter
Honeywell Home X8S Smart Thermostat: The Flagship with Video Doorbell Intercom, Radar Presence, and Matter
thermostat

Honeywell Home X8S Smart Thermostat: The Flagship with Video Doorbell Intercom, Radar Presence, and Matter

A comprehensive look at Resideo's 2026 flagship smart thermostat, the Honeywell Home X8S, covering its 5-inch customizable touchscreen, built-in radar presence detection, Ring and First Alert video doorbell integration, IAQ monitoring, Matter certification, and how it stacks up against the Ecobee Premium and Nest Learning Thermostat 4th Gen.

  • thermostat
  • Matter-certified
  • Alexa
  • Google Home
  • HomeKit
  • SmartThings
  • ENERGY-STAR
  • premium

Next Steps

See devices with ENERGY STAR certification →Buyer guides with energy-conscious framing →Compare top models on savings and cost →

Related Content

  • Ecobee SmartThermostat Premium (EB-STATE6): Full Device Profile, Specs, and Compatibility — A structured reference profile for the ecobee SmartThermostat Premium (EB-STATE6-01, $259.99 MSRP) covering verified hardware specs, connectivity protocols, compatible smart home platforms, HVAC system compatibility, subscription tiers, and ENERGY STAR certification data — for buyers and installers conducting pre-purchase or compatibility research.
  • Ecobee SmartThermostat Premium: How to Set Up HomeKit, Alexa, Google Assistant, and SmartThings — A post-installation platform integration guide for the Ecobee SmartThermostat Premium, covering the exact activation steps, hardware prerequisites, and real functional limitations for HomeKit with Siri, Alexa Built-in, Google Assistant, and SmartThings — so new owners get each integration working correctly on the first attempt.
  • The Best Smart Home System in 2026: Why Matter Makes Ecosystem Lock-In a Thing of the Past — Worried about picking the wrong smart home ecosystem? Matter and Thread have changed the game: buy any Matter-certified device and it works with Alexa, Google Home, Apple Home, and SmartThings simultaneously. This guide explains the buying strategy that lets you choose devices first and switch ecosystems later without replacing hardware.

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