Smart Thermostats
Best Home Thermostat with WiFi (2026): Our 5 Picks Ranked
As an Amazon Associate we earn from qualifying purchases. Specs below come from each product's Amazon listing; we do not test products in person.
For the best home thermostat with wifi, the Google Nest Thermostat works without a C wire, pairs with Google Assistant and Alexa, and carries ENERGY STAR certification. The Sensi Touch 2 adds room sensor support, while the Honeywell adds a 5-inch touchscreen and doorbell camera view.
Starting out? See the main guide: Best Smart Thermostat
Top picks at a glance
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Best OverallGoogle Nest Thermostat9.8 View on Amazon -
Runner-UpSensi Touch 2 Smart Thermostat Wi-Fi9.6 View on Amazon -
Also GreatLike-New Amazon Smart Thermostat9.5 View on Amazon -
9.3 View on Amazon -
9.2 View on Amazon
Compare the specs
Ranked on works without a c-wire, room sensor support, works with alexa / google, energy star, phone app control from each listing, plus how many buyers have rated it. A dash (—) means we could not confirm that figure from the listing.
| Pick | Works without a C-wire | Room sensor support | Works with Alexa / Google | ENERGY STAR | Phone app control | Weight | Warranty |
|---|---|---|---|---|---|---|---|
| 1. Google Nest Thermostat | Yes | — | Yes | Yes | Yes | 0.31 lb | 1-year |
| 2. Sensi Touch 2 Smart Thermostat Wi-Fi | — | Yes | Yes | Yes | Yes | 0.62 lb | 3-year |
| 3. Like-New Amazon Smart Thermostat | — | Yes | Yes | — | Yes | — | — |
| 4. Honeywell Home X8S Premium Smart Wi-Fi Thermostat | — | — | Yes | Yes | Yes | 0.95 lb | — |
| 5. Miuputake WiFi Thermostats for Home Smart Thermostat Single-Stage | — | — | — | — | Yes | 0.39 lb | — |
Google Nest Thermostat
Its no-C-wire design, Google Assistant and Alexa control, and ENERGY STAR certification fit a wifi home thermostat.
- Works without a C-wire
- Works with Alexa / Google
- ENERGY STAR
- Phone app control
- 1-year warranty stated
Good for
- Owners who want a thermostat that works without a C wire
- Buyers who want Google Assistant and Alexa control
Skip it if
- You want a warranty longer than 1 year
- You want a 5-inch touchscreen
It works without a C wire and pairs with Google Assistant, Alexa and Matter-certified voice assistants. The Google Home app sets an energy efficient schedule, and remote control works from a phone, laptop or tablet. It turns itself down when you leave, monitors HVAC and sends an alert if something seems off. It installs in 30 minutes or less and is compatible with 85% of heating and cooling systems.
Sensi Touch 2 Smart Thermostat Wi-Fi
It adds room sensor support, a touchscreen and a 3-year warranty to Alexa and Google control.
- Room sensor support
- Works with Alexa / Google
- ENERGY STAR
- Phone app control
- 3-year warranty stated
Good for
- Owners who want room sensor support
- Buyers who want a touchscreen with a 3-year warranty
Skip it if
- You need a thermostat that works without a C wire
- You want a warranty longer than 3 years
It has a black beveled edge touchscreen and works with Alexa, Google Assistant and SmartThings. It works with Sensi room sensors, sold separately, to balance temperatures through the home. The app guides installation with Bluetooth setup, and a C wire is required. It delivers usage reports, equipment alerts and maintenance reminders, with a 3-year warranty.
Like-New Amazon Smart Thermostat
It brings Alexa control, automatic home, away and sleep temperatures, and sensor support in a refurbished unit.
- Room sensor support
- Works with Alexa / Google
- Phone app control
Good for
- Owners who want Alexa control with automatic home, away and sleep temperatures
- Buyers who want a refurbished thermostat with sensor support
Skip it if
- You want original retail packaging
- You want a new, non-refurbished unit
It is a refurbished unit that looks and works like new, with the same limited warranty as a new device. Alexa sets the temperature or switches between home, away and sleep temperatures automatically. It works with select Echo devices and the Amazon Smart Air Quality Monitor as temperature sensors. The Alexa app guides installation and sets the temperature from anywhere.
Honeywell Home X8S Premium Smart Wi-Fi Thermostat
It adds a 5-inch touchscreen, humidity and ventilation control, and doorbell camera view to Alexa and Google control.
- Works with Alexa / Google
- ENERGY STAR
- Phone app control
Good for
- Owners who want a 5-inch touchscreen with doorbell camera view
- Buyers who want humidity and ventilation control
Skip it if
- You need a thermostat that works without a C wire
- You need a thermostat for electric baseboard heat
It has a 5-inch touchscreen with a customizable display and works with Alexa, Google Assistant, Apple Home and Matter. It controls humidity and ventilation, senses occupancy and adjusts settings when you are home or away. It shows a doorbell camera view and intercom for First Alert VX1 and Ring doorbells. A C wire is required, with a voucher for a Honeywell Home C-Wire Adapter included.
Miuputake WiFi Thermostats for Home Smart Thermostat Single-Stage
It gives single-stage 1 heat and 1 cool systems a 7-day programmable wifi thermostat with app control.
- Phone app control
Good for
- Owners of single-stage 1 heat and 1 cool systems
- Buyers who want 7-day programmable scheduling with app control
Skip it if
- You need a thermostat for a heat pump system
- You need a 5 GHz wifi connection
It works with single-stage 1 heat and 1 cool systems and requires a C wire. It connects only to 2.4GHz wifi, not 5GHz, and the phone app adjusts temperatures remotely and sets 7-day schedules. Temperature control stays within 2F, and a backlit LCD screen shows the display.
How to choose
C-wire needs first
The Nest works without a C wire, while the Sensi, Honeywell and Miuputake all require one. The Miuputake also needs a C wire for normal use and cannot run on batteries. Check your wiring before buying, since C-wire needs differ across these picks.
Voice and app control
All five picks have wifi and phone app control. The Nest pairs with Google Assistant, Alexa and Matter-certified voice assistants, the Sensi pairs with Alexa, Google Assistant and SmartThings, and the Honeywell pairs with Alexa, Google Assistant, Apple Home and Matter. The Amazon pick works with Alexa, while the Miuputake works through its phone app. Match the pick to the voice platform already in your home.
Sensors, screens and extras
The Sensi works with room sensors sold separately, and the Amazon pick uses Echo devices and the Amazon Smart Air Quality Monitor as temperature sensors. The Honeywell adds humidity and ventilation control plus a doorbell camera view, while the Miuputake keeps to single-stage control with a backlit LCD. The Nest monitors HVAC and sends alerts, and it installs in 30 minutes or less. Weigh these extras against what your system needs.
FAQ
Do I need a C wire for a wifi thermostat?
It depends on the pick. The Nest works without a C wire, while the Sensi, Honeywell and Miuputake require one, and the Honeywell includes a voucher for a C-Wire Adapter.
Which thermostats work with Alexa and Google?
The Nest, Sensi and Honeywell work with both Alexa and Google Assistant, and the Amazon pick works with Alexa.
What is a refurbished Like-New thermostat?
It is a unit that looks and works like new, with the same limited warranty as a new device. The Amazon pick may arrive in a generic Amazon-branded box.
Can a thermostat use room sensors?
The Sensi works with room sensors sold separately, and the Amazon pick uses Echo devices and the Amazon Smart Air Quality Monitor as temperature sensors.
