Smart Thermostats
Best Smart Thermostat for Apartment (2026): 5 Picks Compared
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 a smart thermostat for an apartment, the Google Nest Thermostat leads: it works without a C wire, pairs with Google Assistant and Alexa, and carries ENERGY STAR certification. The Sensi Touch 2 follows with room sensor support, and the Honeywell adds a 5-inch touchscreen with doorbell camera view.
Starting out? See the main guide: Best Smart Thermostat
Top picks at a glance
-
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 Thermostat9.4 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. Miuputake WiFi Thermostats for Home Smart Thermostat Single-Stage | — | — | — | — | Yes | 0.39 lb | — |
| 5. Honeywell Home X8S Premium Smart Wi-Fi Thermostat | — | — | Yes | Yes | Yes | 0.95 lb | — |
Google Nest Thermostat
It works without a C wire, with Google Assistant and Alexa control and ENERGY STAR certification.
- Works without a C-wire
- Works with Alexa / Google
- ENERGY STAR
- Phone app control
- 1-year warranty stated
Good for
- Renters who want a thermostat without a C wire
- Buyers who want Google Assistant and Alexa control
Skip it if
- You need a thermostat for a heat pump system without a C wire
- You want a warranty longer than 1 year
The Google Home app sets an energy efficient schedule, and the thermostat turns itself down when you leave. HVAC monitoring sends an alert if something seems wrong, with reminders for maintenance. It weighs 0.31 lb and carries a 1-year warranty.
Sensi Touch 2 Smart Thermostat Wi-Fi
It adds room sensor support and a touchscreen, with Alexa and Google control and a 3-year warranty.
- Room sensor support
- Works with Alexa / Google
- ENERGY STAR
- Phone app control
- 3-year warranty stated
Good for
- Buyers who want room sensors to balance temperatures
- Owners of furnaces, boilers, and heat pumps
Skip it if
- You want a thermostat that works without a C wire
- You want a warranty longer than 3 years
Room sensors balance temperatures through the home, and the app guides DIY installation step by step. Flexible scheduling, remote access, and usage reports track energy use, and smart maintenance sends alerts about equipment and filter replacement. It weighs 0.62 lb and carries a 3-year warranty.
Like-New Amazon Smart Thermostat
It brings Alexa control with automatic home, away, and sleep temperatures in a Like-New unit.
- Room sensor support
- Works with Alexa / Google
- Phone app control
Good for
- Buyers who want Alexa control with automatic temperatures
- Owners who want temperature sensors for hot spots
Skip it if
- You want a new, non-refurbished unit
- You want control outside the Alexa app
Alexa switches between home, away, and sleep temperatures automatically, and the Alexa app sets the temperature from anywhere and guides installation. Echo devices and the Amazon Smart Air Quality Monitor work as temperature sensors for hot and cold spots. The Like-New unit is refurbished, tested, and certified to look and work like new.
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.
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.
How to choose
C-wire needs first
The Nest works without a C wire, while the Sensi, Honeywell and Miuputake require one. The Honeywell includes a voucher for a C-Wire Adapter by mail at no cost. Check your wiring before buying, since C-wire needs differ across these picks.
Voice and app control
Voice control runs through the assistant each pick pairs with, and every pick here works through a phone app. 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.
Sensors and rooms
Room sensors even out hot and cold spots by reading temperatures where you need them. The Sensi works with room sensors to balance temperatures through the home, and the Amazon pick uses Echo devices and the Amazon Smart Air Quality Monitor as temperature sensors. The Nest turns itself down when you leave, and the Honeywell senses occupancy and adjusts settings when you are home or away.
FAQ
Do I need a C wire for a wifi thermostat?
The Nest works without a C wire, while the Sensi, Honeywell and Miuputake require one. The Honeywell includes a voucher for a C-Wire Adapter by mail at no cost.
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. Like-New units may arrive in generic Amazon-branded boxes.
Can a thermostat use room sensors?
Yes. The Sensi works with room sensors to balance temperatures through the home, and the Amazon pick uses Echo devices and the Amazon Smart Air Quality Monitor as temperature sensors.
