The Best WiFi Thermostats

Looking to save some money on your home’s heating and cooling costs? There is no better time than now to invest in a WiFi thermostat. WiFi thermostats allow you to remotely adjust the temperature in your home from anywhere, as long as your phone is connected to a cell network or WiFi. We know that with so many WiFi thermostats available on the market, it can be difficult to narrow down your choices. To help make your decision easier, we've rounded up a few of our favorite WiFi thermostats below. In order to find the best WiFi thermostats on the market, we asked ourselves three questions: How intuitive is this WiFi thermostat's interface? Does it provide smart features, such as the ability to control it remotely? And will it help improve a home's energy efficiency? Our favorite was the Google Nest, which boasts innovative features that have helped it ascend to a top spot in this crowded market. But we also appreciated the Honeywell T9, which features multiple sensors to track various rooms' temperatures at once. It also provides historical data on heating and cooling trends, which can be very useful to anyone trying to optimize their home's energy usage. To learn more about the rest of our favorite picks, keep on reading.

Google Nest WiFi Thermostat

Keep it cool

Streamlined, intuitive, and discreet, this WiFi thermostat is an easy favorite.
Best Overall

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Take our word for it: this WiFi thermostat from Google is as good as they get. It can automatically shut itself off when you’re away from home for a long period so that you don’t waste energy and money on heating or cooling your empty house. Thanks to that, you’ll never have to worry about your energy expenses going through the roof when you forget to turn off your heat or AC before going on vacation. Aside from that, this WiFi thermostat can also be programmed to run on a set schedule. This allows you to create the most energy-efficient and cost-effective schedule possible.

Pros:

  • Few WiFi thermostats offer such seamless remote accessibility as this one. Wherever you go, you’ll be able to make adjustments to your home’s temperature on the fly.
  • We appreciate that this unit can function perfectly fine without a C-wire, as this makes installation easier.

Cons:

  • It doesn’t come with detailed instructions, but it’s simple enough to install. Plus, there are many resources available online if you have trouble installing it.

Honeywell WiFi Thermostat

Beat the heat

Few WiFi thermostats feature a display as crisp or responsive as this one.
Best Display

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When it comes time to choose your WiFi thermostat, you’ll want a high-quality display screen that’s responsive and shows you useful information. Luckily, this thermostat from Honeywell presents you with all you need to know, including the temperature, humidity, and date. What’s even better this that this WiFi thermostat also can connect to your phone through the Total Connect Comfort app. This allows you to easily monitor and control the temperature levels in your home remotely. It also features an energy-saving mode, which is perfect to use while you’re at work or on vacation.

Pros:

  • We appreciate that the screen displays other data metrics, such as current humidity levels indoors and outdoors as well as the time and date.
  • Unlike some WiFi thermostats, this one is very easy to program and operate.

Cons:

  • The installation is fairly complicated. It’s very likely you’ll need a professional to handle the process.

Honeywell T9 Home WiFi Thermostat

Sensational sensors

This thermostat's sensors help make it more sophisticated than the competition.
Best Sensors

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Thanks to this unit’s superb sensors, the thermostat can automatically tell which room people are in and adjust the temperature accordingly. Additionally, its battery life is robust — so much so that it can last for an entire year. And on top of all that, it even allows you to adjust the temperature through voice commands thanks to the Alexa and Google Assist features.

Pros:

  • We love that this thermostat tracks your monthly heating and cooling trends. Those of us who appreciate that kind of data can use it to monitor energy efficiency and tailor our usage accordingly.
  • The sensors allow you to monitor various rooms’ temperatures independently. Thanks to that, you can see which room is better insulated and more energy-efficient.

Cons:

  • When you make adjustments to the temperature, the system can be a bit slow to respond.

Emerson Sensi Touch WiFi Thermostat

Effortless efficiency

We love that this well-designed thermostat can be installed without stress or hassle.
Easiest To Install

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A quick installation process can be the deciding factor when it comes to which WiFi thermostat you should purchase. An easy installation means less time spent struggling to assemble it — or less money spent on a professional hired to install it for you. Since this WiFi thermostat from Emerson comes included with easy-click terminals, you can effortlessly install it, probably in less than half an hour. It even can alert you if your home’s temperature fluctuates wildly for some reason while you’re not there. And thanks to the remote access feature, you can respond to those alerts by adjusting the temperature in your home even when you’re thousands of miles away.

Pros:

  • This unit is compatible with a wide variety of smart assistants, such as Alexa, Google Assistant, and Apple HomeKit.
  • The geofencing feature is pretty nifty. The thermostat responds to your location and adjusts the temperature accordingly, and you can customize these settings.

Cons:

  • The system has a tendency to occasionally glitch out. If that happens, you might need to reboot it before you can make further adjustments.

Frequently Asked Questions

Can my WiFi thermostat still function without WiFi?

Contrary to what you might have thought, yes, it can. Your WiFi thermostat will continue to function properly with its heating or cooling systems even when your WiFi connection is temporarily disabled.

Is replacing a thermostat difficult to do?

The process of switching out a standard thermostat with a WiFi thermostat can be a bit too advanced to do it all by yourself. Most WiFi thermostats require a C-wire that runs from the thermostat to the HVAC system which carries electricity. This wire should always be installed by a professional electrician.

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