The 10 Best Wifi Thermostats

Updated January 05, 2018 by Brett Dvoretz

10 Best Wifi Thermostats
Best High-End
Best Mid-Range
Best Inexpensive
We spent 44 hours on research, videography, and editing, to review the top selections for this wiki. If anything should be a Goldilocks zone, it's your home. Fortunately, smart thermostats have made it easier than ever to keep your surroundings not too hot, not too cold, but just right, saving time, money, and energy in the process. Choose one of these sophisticated and intelligent Wi-Fi climate control devices to conveniently maintain the perfect ambient temperature year round. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best wifi thermostat on Amazon.

10. Trane XR524

Produced by one of the most trusted names in HVAC systems, the inexpensive Trane XR524 can be operated manually or remotely, via app integrations for iOS or Android phones. Be aware it is not compatible with all systems, though.
  • can be installed in under 30 minutes
  • provides filter change notifications
  • touchscreen isn't very responsive
Brand Trane
Model 14942771
Weight 10.4 ounces
Rating 3.9 / 5.0

9. Alarm.com ADC-T2000

The Alarm.com ADC-T2000 with Z-wave technology gives you remote access and control of your home temperature via an alarm.com account, so you can turn on the system when you're driving home from work. It doesn't have any onboard or touchscreen controls, though.
  • accurate temp setting
  • convenient audible alerts
  • display can be difficult to read
Brand Alarm.com
Model ADC-T2000
Weight 1.2 pounds
Rating 4.1 / 5.0

8. First Alert Therm-500

The First Alert Therm-500 is extremely customizable to suit your tastes and keep your surroundings comfortable without causing programming headaches. You can choose from over 100 screen backgrounds, and it also works with Amazon Alexa.
  • screen lock option for security
  • away mode helps to conserve energy
  • responsive onscreen menu
Brand First Alert
Model THERM-500
Weight 1.6 pounds
Rating 4.1 / 5.0

7. Honeywell RTH6580WF

For a simple to operate option that doesn't break the bank, check out the Honeywell RTH6580WF. It offers massive flexibility to meet your personal schedule for the whole week, including the ability to program four unique cycles per day.
  • also comes as a two-pack
  • large buttons are easy to push
  • does not require a wink hub
Brand Honeywell
Model RTH6580WF1001/W1
Weight 16 ounces
Rating 3.6 / 5.0

6. Nuheat Home AC0056

The Nuheat Home AC0056 is engineered specifically for homeowners looking for complete control over their electric floor heating system. It works like a charm and even has built-in Class A GFCI protection for added peace of mind.
  • provides weather updates
  • free app is easy to navigate
  • compatible with 110 and 220 voltages
Brand Nuheat
Model AC0056
Weight 6.4 ounces
Rating 3.9 / 5.0

5. Emerson Sensi Touch ST75

The Emerson Sensi Touch ST75 boasts a sleek HD color touchscreen display that blends right in with your modern decor. It is compatible with Amazon Alexa, Apple HomeKit, Google Home, and Wink, plus there are step-by-step instructions for effortless installation.
  • intuitive interface
  • can detect unsafe humidity levels
  • backlit for visibility in the dark
Brand Emerson Thermostats
Model ST75
Weight 1.1 pounds
Rating 3.9 / 5.0

4. Honeywell RTH9580

The Honeywell RTH9580 features highly advanced technology that learns your preferences to optimize settings in your home or office at any time of day. Plus, the intuitive app allows remote operation from your computer, tablet, or smartphone.
  • ios and android compatible
  • displays current weather conditions
  • beautiful color touchscreen
Brand Honeywell
Model RTH9580WF1005/W1
Weight 1.2 pounds
Rating 4.2 / 5.0

3. Ecobee 4

For homes with complex layouts and uneven temperature control, the Ecobee 4 uses remote sensors to monitor temperatures in multiple locations and adjusts settings accordingly, keeping you cool in summer and warm in winter while saving an average of 23% on energy bills.
  • integrated alexa voice services
  • auto adjusts for room occupancy
  • free software upgrades
Brand ecobee
Model EB-STATE4-01
Weight 2.2 pounds
Rating 4.7 / 5.0

2. Emerson Sensi

Compatible with most HVAC systems, the Emerson Sensi connects seamlessly to your home network and allows you to control temperatures from anywhere via voice commands. It offers free smartphone app integration for Android or iOS devices.
  • installation takes only 15 minutes
  • convenient geofencing function
  • includes two aa batteries
Brand Emerson Thermostats
Model 152454888
Weight 11.4 ounces
Rating 4.8 / 5.0

1. Nest Gen 3

The Nest Gen 3 has a sleek minimalist look and intelligent design that automatically detects your personal schedule and usage habits. It can help save an average of 15% on fuel costs without the time and effort of manually entering schedules.
  • monitors and tracks energy usage
  • comes in three colors
  • menu supports multiple languages
Brand Nest
Model T3007ES
Weight 1.7 pounds
Rating 4.9 / 5.0

Expanding Technologies

If you've ever exited your car after a long drive on a cool evening and sat outside in it for a moment before gathering up your things and heading into your home, you might have noticed a sound like light metal beads popping up gently into the underside of your hood. That sound is actually produced by a variety of metal engine components cooling off, and shrinking as they do so.

You see, on that long drive, those same components expanded as the engine heated up, and now that you've come to a stop and all that steel has begun to adjust to the crisp night air, it gets smaller. That very property, called thermal expansion, is the driving force behind the traditional thermostat: as a piece of metal is heated or cooled, it will connect or disconnect a circuit, causing either your heater or air conditioner to activate until the temperature in the room was such that the metal returned to its former size. Similar devices were developed using gas, which expands and contracts faster then metal, resulting in a more accurate response.

Digital thermostats, on the other hand, which form the foundation of the Wi-Fi options on our list, use a slightly more complex mechanism, albiet one likewise sensitive to ambient heat and cold, called a thermistor. Depending on its temperature, a thermistor puts out a very specific electrical resistance that, when translated by a microcontroller, becomes a corresponding temperature readout on your thermostat's screen.

With that information at your fingertips, you can program your thermostat to activate either of your systems whenever the temperature gets above or below a certain point, as measured by the particular resistance put out by the thermistor. You can even integrate an electrical thermostat's clock function into the equation to create program cycles based on anticipated temperature fluctuations in the weather, or on schedules of occupancy, potentially saving you a boatload of money you'd otherwise spend heating or cooling an empty house.

All that an electronic thermostat has to do from there to become a Wi-Fi thermostat is to add the hardware capable of communicating that information to your smartphone or computer. After that, you can sync it up with your home network and control your temperature from anywhere in the world.

Everything Is Under Control

You might have noticed that a few of the larger tech companies in the world have been making forays into our home lives in the guise of digital personal assistants. Siri, the Apple iPhone personality, was certainly one of the first to hit the scene with any kind of splash, but as her power to control certain aspects of your life and home increases, so, too, does her competition. Her most effective competitors are Amazon's Alexa, Google Home, and the Nexia system by drilling giant Ingersoll Rand.

As you peruse the available Wi-Fi thermostats that we've evaluated, you'll see that some are compatible with one or more of these home automation systems, some are more interested in merely linking to your mobile devices, and others are actually part of their own brand of home control. If the thought of adding security cameras, humidity control, entertainment systems, and more to a single command center appeals to you, then you'll have to decide on which system you plan to place your chips. That, alone, will narrow down our list by a good degree.

After that, questions of aesthetics abound. Some of the thermostats on our list are clearly trying to look like something more suitable for a contemporary home than like any other electronic thermostat you might have seen debut in the late 1980s. Taking into account the style of your house, especially the room in which your thermostat will be installed, will guide you further on your quest toward the perfect selection.

Warm And Toast History

Nobody likes to shovel coal; it's heavy, it's dirty, and it smells strange. There's a reason bad kids get coal from Santa. There was a time, however, when we more directly relied on it than we do now. I don't mean to undercut the significance of our reliance on coal for our boundless consumption of coal-fired electricity; it's just that we all used to have to actually handle the stuff if we wanted to regulate the heat in our homes. We had to trudge miserably down into the basement and add some coal to a complicated furnace adorned with mysterious valves, drafts, and dampers, whereas now we simply click a few buttons.

This is largely thanks to Andrew Ure, a Scottish chemist who hated coal even more than Al Gore, and who invented the first bi-metallic thermostat back in 1830. The invention took a long time and a chronically chilly professor from Wisconsin to gain popularity, but by the turn of the century, thermostats were in heavy use for a variety of industrial applications, and–slowly, but surely–they began to filter into people's homes.

In the 1980s, everything that could be converted from an analog mechanism to a digital component was so converted, and the thermostat was among the most welcome of adjustments. Bi-metallic and gas-bellows units had a tendency to lag and provide rather inaccurate readings, but their digital counterparts proved to be much more precise. They also offered flexible and exact programming options to consumers for the first time.

Around the same moment, a revolution in home computing was underway that would eventually lead to the current state of the global internet and its individually housed wireless hubs. It was a no-brainer for manufacturers to jump on the app bandwagon that exploded out of that revolution toward the end of the oughts, and Wi-Fi thermostats have only become more useful, and more deeply integrated into an entire home's automation, ever since.


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Last updated on January 05, 2018 by Brett Dvoretz

A wandering writer who spends as much time on the road as behind the computer screen, Brett can either be found hacking furiously away at the keyboard or perhaps enjoying a whiskey and coke on some exotic beach, sometimes both simultaneously, usually with a four-legged companion by his side. He hopes to one day become a modern day renaissance man.


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