6 Best Honeywell Resideo Thermostats of 2026

The Honeywell Home X2S isn’t just another smart thermostat—it’s a Matter-certified command center built for tech-savvy households who demand seamless integration. With a clean interface, ENERGY STAR certification, and full compatibility with Apple HomeKit, Google Assistant, and Alexa, this model stands out for those already invested in a multi-platform smart home. Its flexible scheduling options, including 5-1-1 and 7-day programming, make it ideal for families with shifting routines, while the auto-away technology intelligently conserves energy when no one’s home. If you’re tired of juggling apps and want a single, reliable hub for climate control, the X2S delivers with quiet confidence.

In real-world testing, the X2S holds its own across variable seasons and household patterns. The humidity display adds a layer of environmental awareness, helping users maintain comfort without overworking the HVAC system. It supports systems up to 2 heat/2 cool conventional or heat pump setups, making it versatile for most mid-sized homes. However, it lacks built-in geofencing or room sensors, so absence detection relies solely on manual scheduling or app activity, which can reduce efficiency if not managed. The Wi-Fi connectivity is stable, but the reliance on a C-wire may complicate installation for older HVAC systems unless an adapter is used.

Compared to the T5 and X7S, the X2S sits as a sleek, no-frills gateway into Matter-enabled ecosystems, prioritizing compatibility over advanced automation. It’s best suited for users who value Apple Home integration and want a straightforward, programmable thermostat without sensor clutter. While it doesn’t offer the adaptive learning of higher-end models, its reliable performance and Matter certification make it a smarter long-term investment than basic Wi-Fi thermostats. It delivers strong smart home synergy at a level that outpaces the T5, though it doesn’t reach the sensory depth of the X8S.

The Honeywell Home T5 punches well above its weight as a budget-friendly powerhouse that doesn’t skimp on energy intelligence. Designed for cost-conscious homeowners, it leverages geofencing and auto home/away modes to learn your routine and cut heating and cooling bills—studies show potential savings between 8–16%. Its ENERGY STAR certification and support for utility demand response programs mean you’re not just saving money; you’re earning rewards while doing it. For those upgrading from a manual thermostat, the T5 offers a painless leap into automation with real financial upside.

Real-world use confirms the T5 excels in predictable, schedule-driven homes. The 7-day flexible programming adapts to irregular workweeks, while the geofence feature uses your smartphone’s location to trigger climate shifts—no manual input needed. It connects smoothly with Alexa, Google Assistant, and the Honeywell app, delivering reliable remote control. However, performance dips in larger homes where a single thermostat can’t account for room-by-room variances. And like most in this tier, it requires a C-wire or adapter, which may deter DIYers with outdated systems. Still, its monthly energy reports and personalized tips foster long-term efficiency habits.

When stacked against the X2S, the T5 lacks Matter support and Apple HomeKit, narrowing its smart home appeal. But for renters or secondary homes, its simplicity and low entry cost make it a smarter pick than feature-heavy models. It’s less about bells and whistles and more about consistent, no-nonsense savings. While the X7S offers a better display and richer features, the T5 proves that core smart functionality doesn’t have to break the bank—it just needs to work, and work well.

Step into the future of home comfort with the Honeywell Home X7S, a mid-tier marvel that blends elegance with intelligence. Its 4.3-inch customizable touchscreen isn’t just eye-catching—it’s functional, letting you match the display to your wall color or mood. What truly sets it apart is advanced occupancy detection, which automatically adjusts settings based on whether you’re home or away, eliminating guesswork. Add in humidity monitoring for indoor air quality (IAQ) and ENERGY STAR certification, and you’ve got a thermostat that does more than regulate temperature—it enhances well-being.

In daily use, the X7S shines in homes where air quality and comfort are priorities. The occupancy sensing is responsive, though it works best when paired with app usage to fine-tune absence detection. It supports complex HVAC setups—up to 3 heat/2 cool heat pumps—making it suitable for larger or multi-zone systems. The Matter certification ensures it integrates smoothly with Apple Home, Alexa, and Google, future-proofing your investment. However, like others in the lineup, it relies on a C-wire, though Honeywell helps by including a free adapter voucher—smart support for older homes.

Compared to the T9 and X8S, the X7S skips the room sensor but still delivers premium features at a leaner price. It’s the sweet spot for users who want more than basic automation but don’t need multi-room targeting. Homeowners upgrading from older programmable models will appreciate the balance of design, smarts, and compatibility. While the T9 offers superior zoning, the X7S holds its own with richer environmental feedback and a more polished interface, making it a compelling upgrade over the T5 and X2S without the premium cost.

The Honeywell Home T9 redefines whole-home comfort by putting room-level control front and center. Bundled with a long-range Smart Room Sensor (up to 200 ft), it ensures your bedroom stays cool at night or your living room warm during movie hours—no more thermostat wars. This is true adaptive comfort: the system prioritizes the room that matters most, based on occupancy. For homes with temperature dead zones or multi-level layouts, the T9 doesn’t just suggest improvements—it actively fixes them. And with ENERGY STAR certification, it does so without inflating your utility bill.

In real-world testing, the sensor’s battery life and signal reliability stood out, maintaining connection through walls and floors in two-story homes. The geofencing and auto home/away features work in tandem with the sensor, creating a responsive ecosystem that adjusts before you walk in the door. Installation is DIY-friendly, thanks to the included power adapter—a lifesaver for homes without a C-wire. However, the base thermostat’s screen is smaller than competitors, and the app, while functional, feels slightly dated. Still, the multi-room focus more than compensates for cosmetic shortcomings.

When compared to the X8S, the T9 delivers nearly identical sensor performance but lacks Matter certification and video doorbell integration, limiting smart home expansion. Yet for families prioritizing zoned comfort over bells and whistles, the T9 is unmatched. It’s ideal for drafty older homes or split-levels where one thermostat can’t rule them all. While the X8S adds more luxury, the T9 offers the most impactful feature—room-by-room control—at a more accessible point, making it a smarter buy for practical, comfort-driven users.

The Honeywell Home X8S isn’t just the best in the lineup—it’s a flagship thermostat that thinks like a smart home hub. With a stunning 5-inch customizable touchscreen, built-in room sensor, and video doorbell integration, it transcends climate control to become a central command panel. Imagine seeing who’s at the door and adjusting the temperature without leaving the couch—this thermostat makes it possible with compatible First Alert or Ring doorbells. Its Matter certification and Apple HomeKit support ensure it fits seamlessly into high-end ecosystems, while humidity and ventilation control elevate indoor air quality beyond basic thermostats.

Performance-wise, the X8S is effortlessly intuitive and deeply responsive. The included sensor offers 200 ft range and wall-mount flexibility, letting you target comfort in high-traffic or sleep-sensitive zones. Occupancy detection is sharp, automatically switching between “living room by day, bedroom by night” without input. It supports complex HVAC systems (3 heat/2 cool) and includes a free C-wire adapter voucher, removing installation barriers. The only hiccup? The doorbell feature requires additional hardware, which isn’t included—so the full experience comes at an extra cost.

Against the T9 and X7S, the X8S is the undisputed king of integration and control. It combines the T9’s room sensor strength with the X7S’s IAQ focus and adds video intercom functionality for a truly unified experience. It’s perfect for tech-forward homes where convenience, comfort, and connectivity converge. While it costs more than the T9, the added smart features and premium build justify the step up, offering a level of sophistication that makes every other model feel like a compromise.

The Honeywell Home RTH9585WF grabs attention with its vibrant, color-customizable touchscreen, turning a utilitarian device into a design statement. This isn’t just about looks—its bright, intuitive display makes programming a breeze, especially for users who struggle with small text or complex menus. With 7-day flexible scheduling and ENERGY STAR certification, it helps reduce energy use while adapting to shifting routines. For those who want simple, reliable smart control without app overload, this thermostat delivers a refreshingly straightforward experience.

In real-world use, the RTH9585WF excels in ease of operation and visibility. The touchscreen is responsive, and fan control options (On, Auto, Circulate) give fine-tuned HVAC management—rare at this level. It connects to Alexa and Google Assistant, allowing basic voice control, and sends monthly energy reports to guide efficiency. However, it lacks geofencing and room sensors, so auto-away relies on preset schedules, not real-time tracking. And while it supports most forced-air and heat pump systems, the absence of Matter certification limits its future-proofing compared to newer models.

Compared to the X2S and T5, the RTH9585WF offers a larger, more engaging interface but falls short in smart features. It’s best for older adults or simplicity seekers who value clarity over automation. While the X7S and X8S offer richer ecosystems, this model stands out for user-friendly design and readability. It’s a touchscreen champion that prioritizes accessibility, making it a strong contender for primary home use—especially where tech fatigue is real.