Top 10 Best Wireless Thermostats in 2021 | Best Smart Thermostat

wireless thermostat

Are you looking to reduce your utility costs this year? Are you tired of heating/cooling being so expensive all the time? Then it would help if you were considering the option of setting up a smart thermostat.

These new and improved wireless devices use algorithms that can learn your ideal home temperature settings and daily regimens. Once they gather data, they then automatically set the temperature to your preference.

That said, not all wireless thermostats are made equal. Our research shows that some devices have better or more features than others. So, to help you choose, we’ll be reviewing the top 10 best wireless thermostats in 2021.

List of 10 Best Wireless Thermostats in 2021

#10. Honeywell Lyric T6 Pro

Honeywell Lyric T6 Pro

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Honeywell is a famous thermostat brand, and the Lyric T6 is currently its most popular product in the Pro Series line. It’s a strong competitor to well-known smart thermostats like the Nest 3rd Gen and ecobee while being more affordable.

The TH6220WF2006 model specifically supports traditional HVAC systems, so it’s compatible with most homes. You can also connect to it with either an Android or Apple device. It has three program options: 7 (every day is the same), 5-2 (weekdays and weekends differ), and 5-1-1 (weekend days vary).

You can also opt for the thermostat to learn on its own. Just use the thermostat usually, and it will swiftly learn your routine like when you turn it off while leaving or sleeping, and when you turn it on. Again, you can still manually override these settings.

The thermostat is also compatible with other smart home devices like Apple HomeKit, Alexa, and Amazon Home. And with a 5-year warranty, you end up getting the complete package. Definitely could be considered the best smart thermostat for traditional homes.

Pros
  • Has wi-fi
  • Customized programming
  • Provides geofencing
  • Creates a smart home system
  • Affordable
Cons
  • Programming and learning clash
  • Connectivity issues
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#9. Honeywell Home 5-2 Program Thermostat

Honeywell Home 5-2 Program Thermostat

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The Honeywell RTH6360 series is the ideal home thermostat, with its 5-2 programmable mode (weekdays and weekends). You can set up this device with different settings for the weekends and weekdays, which is especially great for significantly reducing power bills and costs.

Another great feature is the thermostat’s Smart Response Learning. This inbuilt program allows the device to learn your ideal usage times and temperature values so that it produces the precise settings you’d enjoy while minimizing the overall power usage. If the settings aren’t to your liking, you can switch to Manual mode and set it yourself.

The device setup is effortless, with a well-detailed guide. The manual might be confusing for some, but that shouldn’t be an issue with Honeywell’s customer service. Once installed, the interface is reasonably easy to use, with a backlit display and some easy program modes. Just set it to Auto, and you won’t have to worry about the rest.

Pros
  • Good customer service
  • Programmable
  • Simple setup
  • Smart learning
  • Affordable
Cons
  • Manual is a bit confusing
  • Does not set temperature range, only fixed value

#8. Orbit 83521 Wireless Thermostat

Orbit 83521 Wireless Thermostat

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Deviating from the Honeywell line, we review the Orbit 83521 programmable thermostat. Unlike a lot of other smart thermostats out there, this device is relatively simple to use. That’s because its interface is user-friendly so that even in manual mode, you get the right settings.

The device has a backlit display which large visible buttons for setup. It uses 7-day programming so you can manage each day separately according to your preference. Its modes include four programming periods. You can even copy and paste different plans and settings from one day to the next, making planning a lot easier.

If you need a quick change, you can override the settings and a temperature change that will stay fixed without ruining your already set schedule. What’s great is the thermostat is one-stage, meaning it works with all HVAC systems, including different furnaces, ACs, water systems, and pumps.

The only drawback with the thermostat is that it won’t work with baseboard heaters or multi-stage systems. It also has no memory backup, so power outages can cause the device to reset. Other than that, though, for a one-stage setup, this is the best wireless thermostat.

Pros
  • Easy installation
  • Attractive design
  • Easy to use
  • Smart System
Cons
  • No memory backup so needs re-programming if battery/power runs out

#7. Honeywell wi-fi Thermostat 9000

Honeywell wi-fi Thermostat 9000

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Another great programmable thermostat by Honeywell is the Thermostat 9000, also known as the TH9320WF5003 model. This device comes packed with tons of functions that can make your home smart and affordable with ease.

The first notable feature is the adjustable programs, which can be manual or automatic. With each, you get different settings for each day, with the 7-day programming in place. With that, you won’t have to worry about leaving the AC on as the thermostat automatically turns HVAC systems off when you’re not home, saving on energy and bills.

Another fantastic feature is the wi-fi remote access, with which you can control the device wirelessly from wherever you choose. The Honeywell TH9320WF5003’s display is similar to that of the RTH9580WF. It has a fully functional colored touchscreen that can lock for security and can be changed to suit your home style.

The one drawback though, is that this thermostat is not the easiest to install. You’re better off hiring a professional. But its five-year warranty more than makes up for this setback.

Pros
  • Good design
  • Easy remote monitoring
  • Manual and automatic modes
  • Five-year warranty
  • For both professional and residential use
Cons
  • Requires a C-wire
  • Slightly more complex interface
  • Needs professional installation

#6. ecobee SmartThermostat

ecobee SmartThermostat

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The ecobee SmartThermostat stands out as one of the most technologically innovative smart thermostats on the market. Its sleek, stylish matte black design goes well in a contemporary home setting, and its interface is also compatible with most smart home hubs.

The device comes with Alexa built-in so that you can have voice control over your HVAC systems immediately. You can remotely control the house temperature using the model’s smartphone app wherever you are.

According to the company itself, you also save around 23% each year on heating and cooling bills. You can even verify this with the thermostat’s history option that shows how much you save on utilities with the device. The device comes with temperature/humidity sensors, automatic modes, schedules, smart alarms, and even a touchscreen.

You can ask Alexa to change the temperature or even play some music through the device by just saying it. The setup is easy too, taking no more than half an hour. While the initial cost of buying may be expensive, and it does have its fair share of connectivity issues, this is a device you would want for the best smart home setup.

Pros
  • Easy installation
  • Cost-saving
  • Inbuilt Alexa
  • Voice control
  • Works with multiple smart hubs
Cons
  • Costly
  • Connection issues
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#5. Honeywell Lyric T5

Honeywell Lyric T5

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If you want something a bit more under budget, but still want to enjoy good quality and features, then the Honeywell Lyric T5 is the ideal choice. While it may not have as many sensors or programs as the ecobee, it does feature a touchscreen, smart alerts, and geofencing.

The screen can also lock just like the ecobee for security purposes, so using it in commercial locations is safe and secure. Like all other wireless smart thermostats, it comes with intelligent learning to adapt to your temperature preferences so that you get the best schedules, plans, and settings.

It does come with its fair share of flaws though. The wi-fi disconnects plenty of times, and the frequent alarms alerting you to the fact can get annoying.

The installation has its issues, like HVAC systems lagging behind settings changes, and turning off your wi-fi or data when connecting your phone to the device. That said, at a price, it’s available at, you’re still getting a load of smart features that are worth it.

Pros
  • Geofencing
  • Lock screen option
  • Low price
  • Temperature learning
  • Touch screen
Cons
  • Connectivity issues
  • Tricky installation
  • Limited set points

#4. Emerson Sensi ST75

Emerson Sensi ST75

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The Emerson Sensi ST55 is a unique add-in to our list because Emerson isn’t the most popular thermostat brand out there, especially its wi-fi products. But the ST75 still manages to compete with other high-end products.

The whole is not compatible with smart home products, the thermostat works with Alexa and Amazon Home, so you still get your smart thermostat at half the competitive price. The setup is also pretty easy, with multiple online tutorial videos available for everyone.

Like other thermostats on this list, the device offers geofencing along with customizable settings. That is great for security and cost savings in your home. In case of extreme temperature or humidity changes, the app notifies you immediately to identify and solve the problem.

The thermostat is more catered to traditional HVAC systems, lacking a C-wire and blander in design. It may not be the smartest thermostat, but the Emerson ST75 gets the job done.

Pros
  • Accurate readings
  • Easy installation
  • Remote access
  • Customization options
  • Affordable
Cons
  • Needs strong wi-fi
  • Incompatible with smart home hubs

#3. Honeywell Home wi-fi Thermostat

Honeywell Home wi-fi Thermostat

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We wanted to offer another budget-friendly option, so here’s the Honeywell RTH9585WF. Its addition to the Honeywell Home series provides the same features, but for a fraction of the cost.

The wi-fi features allow you to access the device using you via an app. You also have support for other smart home systems, including an intelligent lock. Also, it can link with other smart home devices such as a smart lock. The thermostat is voice-activated and works well with Google Home and Alexa.

The thermostat sets itself automatically, with automatic updates and daylight savings changes to save you time and effort. It also features multiple languages, making it user-friendly.

Not only is it great for temperature settings, but the programming is quite versatile. You can get smart alerts for pad replacements, filter changes, connection status, and temperature changes. Add in a customizable screen, and this thermostat can fit itself in any home.

Pros
  • Programmable
  • Cost-saving
  • Customizable display
  • Remote access through an app
  • Responsive touchscreen
Cons
  • Lower quality design
  • Plastic outer case

#2. Emerson Sensi ST55

Emerson Sensi ST55

More Detail on Amazon

The Emerson ST55 is another excellent inexpensive smart thermostat option. Like the ST75, it’s easy to install and use, and comes with plenty of programs and features for energy and cost-saving.

It features a conventional design, with a 5-inch LCD that shows you accurate temperature readings. While it isn’t a touchscreen, the display manages to do the job of displaying settings quickly.

You’re also able to control the device from any point using your smartphone device by simply accessing it through the Sensi mobile app.

Geofencing is another excellent feature that allows the device to adjust temperature settings based on your smartphone location. This way, you get maximum comfort when you’re at home, and minimum energy bills when you’re away. Along with the 7-day program, you now have one of the more affordable smart thermostat options out there.

Pros
  • Affordable
  • C-wire not required
  • Remote access
  • Geofencing
  • Energy and cost-saving
  • Compatible with most smart home systems
Cons
  • No touchscreen
  • C-wire needed for some systems

#1. Google Nest Learning Thermostat 3rd Gen

Google Nest Learning Thermostat 3rd Gen

More Detail on Amazon

It comes as no surprise that the Nest Thermostat is on this list. Its beautiful black design makes any home look smart and innovative, and changing the temperature is simple enough with the device’s dial.

You can use the 7-day programming or allow Google Nest to automatically set your schedule for you, depending on your preference. Regardless of the mode, you end up saving on energy and bills with the thermostat’s motion sensors.

The device is also voice-activated with Alexa or Google, and can even give you alerts for filter changes and such. While its functionality and features are more limited than the ecobee and Honeywell cheaper product lines, the Nest’s simplicity is still worth the price.

Pros
  • Sleek design
  • Easy installation and usage
  • Motion sensor scheduling
  • Voice control
  • Manual and auto modes
Cons
  • Expensive
  • Needs C-wire for some HVAC systems
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Wireless Smart Thermostat Buying Guide

Before we get down to naming our top picks, let’s first discuss some of the criteria to consider before buying a smart thermostat. These factors make it easier for you to peruse the market of wireless thermostats so that you end up with the one best suited for your home and your needs.

  • Aesthetics: If you prioritize your house’s look, then a giant bulky thermostat may not be the ideal model for you. Look through various devices that offer different designs, colors, and even shapes. Some thermostats have a straightforward look, whereas others utilize a more elegant style.
  • Power source: Thermostats run using different power systems. Some use batteries, whereas others are plug-ins. Some others can also be wired or linked to a circuit board. If you want a simple installation, the battery-powered models would be your go-to. But if you wish to constant power for your thermostat, it may be considered the wired options.
  • HVAC system: This criterion is a crucial factor to consider. What kind of HVAC system does your house have installed? You have to ensure that the thermostat you choose is compatible with your air conditioning and furnace systems. Most smart thermostats come with a “C-wire,” which isn’t compatible with older HVAC models, so you have to check your plans beforehand.
  • Privacy: You should know that smart thermostats aim to learn by listening. They take in your data through integrated systems like Siri, Alexa, or Google Assistant to provide you with the best temperature and home settings. What this means is that when using voice control, your data is going to be collected. If you’re worried about privacy concerns, consider getting a model without this specific feature.

Conclusion

Well, that’s it for our reviews. While there are many options to choose from, both in this article and online, our best pick from the top 10 best wireless thermostats in 2021 is the Google Nest! The Nest manages to fit functionality, quality, ease of use, and design in a straightforward package. It’s state of the art, and fully customizable. We couldn’t help but overlook the steep price tag with all those positives. Hopefully, our reviews will help you find the right thermostat for you.

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