What makes the best smart thermostat 2026 different from last year’s models? Larger displays, Matter support and doorbell views lead the newest releases. Look for a display you can read across the room and controls you already use.

Manufacturer specifications, paired with owner feedback, informed every pick here. Shoppers looking for new models can check our best smart thermostat and best premium smart thermostat guides. See our Editorial Policy for the method behind these new-model picks. Turn off power at the breaker before removing an old thermostat. Thick 120V or 240V wires mean line-voltage heat, so call a licensed electrician.

Top 3 Smart Thermostats for 2026

Best OverallGoogle Nest Learning Thermostat (4th Gen) with Sensor

Google Nest Learning Thermostat (4th Gen) with Sensor

  • Bigger display, readable across the room
  • Adjusts for outdoor temperature changes
  • Sensor sets one room as the target
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Best Premium PickHoneywell Home X8S Premium Smart Wi-Fi Thermostat

Honeywell Home X8S Premium Smart Wi-Fi Thermostat

  • 5-inch display in a color and style you can choose
  • Doorbell camera view and intercom, with First Alert VX1 and Ring doorbells (sold separately)
  • Control for humidity and ventilation
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Best Matter PickAqara Smart Thermostat W200

Aqara Smart Thermostat W200

  • Native Matter support, with Apple Home control
  • Adaptive Temperature and Clean Energy Guidance, through Apple Home
  • Works with furnaces, air conditioners, heat pumps, boilers and PTAC units
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Comparison Table of the 2026 Models

#ProductKey Features
1Google Nest Learning Thermostat (4th Gen) with Sensor
Google Nest Learning Thermostat (4th Gen) with Sensor
  • C wire: Not needed in most homes
  • Systems: Most 24V, incl. heat pump and radiant
  • Platforms: Google Home, Matter
  • Voice: Alexa, Siri, Google Assistant
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2Honeywell Home X8S Premium Smart Wi-Fi Thermostat
Honeywell Home X8S Premium Smart Wi-Fi Thermostat
  • Air: Humidity and ventilation control
  • Sensing: Occupancy and presence
  • Standard: Matter certified
  • App: First Alert
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3Aqara Smart Thermostat W200
Aqara Smart Thermostat W200
  • Systems: About 85% incl. PTAC, boilers
  • Power: C-Wire Adapter sold separately
  • Doorbell: Aqara G410/G400 snapshots
  • Install: Trim kit included
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4Honeywell Home X7S Smart Wi-Fi Thermostat
Honeywell Home X7S Smart Wi-Fi Thermostat
  • Humidity: Monitoring
  • Systems: Up to 3 heat/2 cool heat pump
  • Power: C wire (adapter voucher included)
  • Standard: Matter certified
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5Honeywell Home X2S Smart Wi-Fi Thermostat
Honeywell Home X2S Smart Wi-Fi Thermostat
  • Low-heat setpoint: 32°F
  • Systems: Up to 2 heat/2 cool
  • Power: C wire required
  • App: First Alert
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1. Google Nest Learning Thermostat (4th Gen) with Sensor

Best Overall

Google Nest Learning Thermostat (4th Gen) with Sensor
Pros
  • Bigger display, readable across the room
  • Adjusts for outdoor temperature changes
  • Sensor sets one room as the target
  • Most 24V homes can use it
Cons
  • Asks permission before changing your schedule
  • Does not cover every 24V system
  • Voice: Alexa, Siri, Google Assistant
  • Type: Learning thermostat
  • Sensor: Nest Temperature Sensor (2nd gen) included
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The bigger display is easy to read from across the room, and its brightness adjusts itself.

Outdoor temperature learning keeps indoor temperature steadier, with a sensor for the room you choose.

Where the Nest Learning Thermostat shines

Choose this for a newest-model display and a room sensor.

Where the Nest Learning Thermostat falls short

Look elsewhere if a smaller screen or fully automatic scheduling appeals more.

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2. Honeywell Home X8S Premium Smart Wi-Fi Thermostat

Best Premium Pick

Honeywell Home X8S Premium Smart Wi-Fi Thermostat
Pros
  • 5-inch display in a color and style you can choose
  • Doorbell camera view and intercom, with First Alert VX1 and Ring doorbells (sold separately)
  • Control for humidity and ventilation
  • Occupancy and presence detection
Cons
  • Doorbell view needs First Alert VX1 or Ring doorbells, sold separately
  • Ventilation control may need extra HVAC equipment
  • App: First Alert
  • Display: 5-inch, selectable style
  • Doorbells: First Alert VX1, Ring (sold separately)
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A 5-inch display with doorbell views, sold separately, brings the front door to the wall.

Presence detection works with humidity and ventilation control for everyday comfort.

Where the Honeywell X8S shines

A good match for a large display, doorbell views and presence detection.

Where the Honeywell X8S falls short

Pass if you do not want a doorbell to enable the view.

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3. Aqara Smart Thermostat W200

Best Matter Pick

Aqara Smart Thermostat W200
Pros
  • Native Matter support, with Apple Home control
  • Adaptive Temperature and Clean Energy Guidance, through Apple Home
  • Works with furnaces, air conditioners, heat pumps, boilers and PTAC units
  • Visitor snapshots from Aqara G410/G400 doorbells, sold separately
Cons
  • C-Wire Adapter is sold separately
  • Does not work with every HVAC system
  • Install: Trim kit included
  • Platform: Apple Home, native Matter
  • Apple: Adaptive Temperature
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Matter support built in makes this a natural fit for Apple homes.

App, voice or button control pairs doorbell snapshots, sold separately, with smart lock unlocking.

Where the Aqara W200 shines

Suits homes that want Matter support and doorbell snapshots.

Where the Aqara W200 falls short

Not ideal if you do not use Apple Home or do not want a C-Wire Adapter.

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4. Honeywell Home X7S Smart Wi-Fi Thermostat

Best Display Pick

Honeywell Home X7S Smart Wi-Fi Thermostat
Pros
  • 4.3-inch display, with a color and style you can choose
  • Presence detection and Auto Away
  • Humidity monitoring for indoor air
  • Voucher for a free C-Wire Adapter by mail
Cons
  • Installation requires a C wire
  • Does not work with electric baseboard heat
  • Standard: Matter certified
  • Display: 4.3-inch, selectable style
  • Sensing: Occupancy and presence
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A colorful 4.3-inch display makes the temperature easy to see at a glance.

Auto Away and humidity monitoring work with Matter, Alexa, Google Assistant and Apple Home.

Where the Honeywell X7S shines

Pick this for a colorful display, Auto Away and humidity monitoring.

Where the Honeywell X7S falls short

Choose another model if no C wire is available or you use electric baseboard heat.

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5. Honeywell Home X2S Smart Wi-Fi Thermostat

Best Schedule Pick

Honeywell Home X2S Smart Wi-Fi Thermostat
Pros
  • Matter certified, with Alexa, Google Assistant and Apple Home
  • 7-day, 5-1-1, 5-2 or non-programmable schedules
  • Auto-away, filter reminders and a humidity display
  • Low-heat setpoint at 32°F
Cons
  • You will need a C wire
  • Not suitable for electric baseboard heat
  • App: First Alert
  • Standard: Matter certified
  • Schedules: 7-day, 5-1-1, 5-2
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Flexible schedules make it easy to match different weeks and routines.

A humidity display and a 32°F low-heat setpoint support Matter and voice control.

Where the Honeywell X2S shines

Best for flexible schedules and a low-heat setpoint.

Where the Honeywell X2S falls short

Set this aside if a C wire is unavailable or you use electric baseboard heat.

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How to Spot the Best Smart Thermostat 2026 in New Releases

  • Look for a larger display in new releases, so you can read it across the room.
  • Check Matter support if your smart home already uses Matter devices.
  • Consider doorbell views on the wall if you already have a compatible doorbell.
  • Compare schedule styles, from 7-day to non-programmable, before you choose a new model.
  • Use a room sensor to target one room, rather than heating the whole house evenly.

Frequently Asked Questions

Which 2026 model has the largest display in this guide?

The Honeywell Home X8S, with its 5-inch display, is the largest display stated here.

Does the Aqara W200 support Matter natively?

Yes, it offers native Matter support and Apple Home control.

Which 2026 thermostat lets me see a doorbell on the wall?

The Honeywell Home X8S has a doorbell camera view and intercom. It works with First Alert VX1 and Ring doorbells, sold separately.

What schedule styles does the Honeywell Home X2S offer?

It offers 7-day, 5-1-1, 5-2 or non-programmable schedules.

Final Verdict

For the best smart thermostat 2026, the Google Nest Learning Thermostat leads with a larger display and a room sensor. Premium doorbell views suit the Honeywell Home X8S, while Matter support suits the Aqara W200.

Best Overall: Google Nest Learning Thermostat (4th Gen) with Sensor Check Latest Price

Best Premium Pick: Honeywell Home X8S Premium Smart Wi-Fi Thermostat Check Latest Price

Best Matter Pick: Aqara Smart Thermostat W200 Check Latest Price

Plan compatibility, display and app control early, and the new thermostat will fit the home.

As an Amazon Associate we earn from qualifying purchases.

As an Amazon Associate we earn from qualifying purchases.