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The Best Smart Thermostats

Updated April 2026·Experts: PCMag, CNET, Tom's Guide

Best Overall

Ecobee Smart Thermostat Premium

$200-$250
$200-$250 at Amazon→

If you want one device that does everything, this is it. The built-in Alexa speaker, air quality monitoring, and remote sensor support make every other thermostat feel half-baked.

What holds up

  • Supports 5 platforms: Alexa, Apple HomeKit, Google Assistant, IFTTT, and Samsung SmartThings
  • Built-in mic and speaker for hands-free Alexa control without a separate smart speaker
  • Monitors indoor air quality and can function as a home security device
  • Compatible with remote sensors to balance temps across multiple rooms

What to know

  • Most expensive option in the smart thermostat category
  • Feature set may be overkill for users who just want basic temperature control
  • Subscription required for some advanced features
What people say
The Ecobee Smart Thermostat Premium is one of the most full-featured smart thermostats available. It supports five different smart home platforms, monitors air quality, and can work as a home security device and a smart speaker.
PCMag
Get it for $200-$250
Read the full breakdown →
Best for Google Homes

Google Nest Learning Thermostat (4th Gen)

$180-$280
$180-$280 at Amazon→

If your home runs on Google, don't overthink it, the Nest Learning Thermostat is the most polished, best-looking option and the AI scheduling actually learns your habits over time.

What holds up

  • Improved AI Smart Schedule suggests and adapts temperature changes automatically
  • Works without a C-wire, making installation easier in older homes
  • Attractive, iconic design that blends into any room
  • Deep Google Home and Google Assistant integration

What to know

  • Primarily locked into the Google ecosystem, limited cross-platform support
  • No built-in remote room sensors included
  • Google has a history of killing connectivity on older Nest devices
What people say
The newest version of the Nest Learning Thermostat combines the best high-tech smart technology with an attractive design that works even if your home doesn't have a C-wire.
CNET
Get it for $180-$280
Read the full breakdown →
Best Budget

Amazon Smart Thermostat

$60-$80
$60-$80 at Amazon→

For under $80, nothing comes close. If you're already in the Amazon ecosystem, this is the obvious buy, Alexa Hunches alone make it smarter than thermostats twice the price.

What holds up

  • Far better technology than other sub-$100 options, including occupancy sensing
  • Alexa 'Hunches' can proactively adjust settings to save energy
  • Deep integration with Alexa and Ring devices
  • Simple installation with C-wire adapter included

What to know

  • Best suited for Amazon/Alexa ecosystems, limited cross-platform support
  • No remote room sensors available
  • Lacks air quality monitoring and advanced scheduling of premium models
What people say
The Amazon Smart Thermostat stands out among its peers in the sub-$100 category by having far better technology, including the ability to sense if you're home and Alexa's 'hunches' to see if a setting will work while saving you energy.
CNET
Get it for $60-$80
Read the full breakdown →
Best Value Mid-Range

Ecobee Smart Thermostat Essential

$100-$130
$100-$130 at Amazon→

This is the sweet spot for most people, you get Ecobee's rock-solid app, broad platform support, and energy-saving smarts without paying for features you'll rarely use.

What holds up

  • Works with Alexa, Google Home, and Apple HomeKit
  • Flawless performance in testing via app, touchscreen, and voice
  • Helpful energy-saving scheduling and geofencing features
  • About half the price of the Ecobee Premium

What to know

  • No built-in Alexa speaker or microphone like the Premium model
  • No indoor air quality monitoring
  • No smoke alarm detection or home security features
What people say
It worked flawlessly in testing, making it easy to control the temperature using the app, touch screen, and voice commands.
PCMag
Get it for $100-$130
Read the full breakdown →
Best for Multi-Room Control

Honeywell Home T9 Smart Thermostat

$150-$200
$150-$200 at Amazon→

If you've ever had a room that's always too hot or too cold, the T9 solves that problem out of the box, no extra purchases required. It's the most practical choice for multi-room households.

What holds up

  • Remote room sensor included in the box, no extra purchase needed
  • Supports up to 20 additional remote sensors for whole-home coverage
  • Compatible with Alexa and Google Assistant
  • Packed with features including smart scheduling and geofencing

What to know

  • Bulkier design compared to Nest and Ecobee models
  • App experience not as polished as Ecobee or Nest
  • Additional sensors sold separately beyond the included one
What people say
The company's high-end Home T9 Smart Thermostat is packed with features, including a remote room sensor included in the box, allowing you to monitor two areas of your house simultaneously without purchasing additional sensors.
PCMag
Get it for $150-$200
Read the full breakdown →