6 Best Thermostats for Boilers of 2025

By LaytonLast update: 2024-12-20

No matter what the weather outside, cold or hot sun, the best smart thermostat will be the device to help you ensure the perfect indoor temperature as you want, while cutting down on chemistry single energy.

On the market today, most thermostats are designed to be portable and multi-functional, attracting the attention of consumers. It adapts, it learns, it works with you to figure out exactly how and when you like your home.

So consider your options, how much you're willing to pay, and the exact type of automation you require, and you'll find the smart thermostat that is right for you. Here, we have created detailed reviews for some of the best thermostats to help you find the perfect product.

Here are the best thermostats for boilers you can buy in 2025:

  • Best Overall: Honeywell RCHT8610WF2006/W Thermostats
  • Runner Up: Google T4000ES Thermostats
  • Best Budget: Emerson ST55 Thermostats
  • Best for a smart home: Hive HAH2KitHeat&HWAmz 01 Thermostats
  • Good Quality: Google T3007ES Thermostats
  • Best Value: Ecobee Smart Thermostat
6 Best Thermostats for Boilers
Best Overall
Honeywell RCHT8610WF2006/W Thermostats
    Runner Up
    Google T4000ES Thermostats
      Best Budget
      Emerson ST55 Thermostats
        Best for a smart home
        Hive HAH2KitHeat&HWAmz 01 Thermostats
          Good Quality
          Google T3007ES Thermostats
            Best Value
            Ecobee Smart Thermostat

              Best Overall: Honeywell RCHT8610WF2006/W Thermostats

              Honeywell RCHT8610WF2006/W Thermostats
              Honeywell RCHT8610WF2006/W Thermostats
              Pros
              • Geolocation works well
              • Easy to use
              • Reasonable price
              Cons
              • Need professional installation. However, after installation and setup, the system was very easy to use.

              This product is an intelligent connection device. The product can be controlled via its touch screen, or controlled via the free Honeywell Lyric smartphone app. This smart thermostat is compatible with most single-stage and multi-stage conventional heat pump and heat pump heating and cooling systems.

              It's designed with built-in geolocation so the system can automatically switch on and off, depending on your distance from home. Once installed and set up, the system is very easy to use. You will always receive notifications from your product's smart alerts feature. While you can use geolocation or a variety of programmable modes to use the heating system, you can't use both options together - this is a real shortcoming products.

              Honeywell RCHT8610WF2006/W Thermostats Specifications

              Product dimensions

              4 x 4 x 1.25 inches

              Weight

              1.76 ounces

              Manufacturer

              Honeywell

              Connect

              Wifi

              Sensors

              Temperature

              Compatibility

              Heating systems with OpenTherm technology; Common Y- and S-plan setups

              Verdict

              A thermostat for your life. Now, you can always feel the house exactly the way you like it, while saving on energy bills.

              Runner Up: Google T4000ES Thermostats

              Google T4000ES Thermostats
              Google T4000ES Thermostats
              Pros
              • Reasonable price
              • Beautiful design
              • Great mobile application
              • Save energy
              • Control from anywhere
              Cons
              • Many features, this can be an advantage for tech lovers, or limited for those who are old

              This smart thermostat can program the temperature to your liking, and program it yourself to save you energy. With this product, you will always feel at ease. You just start with a simple schedule and easily adjust it whenever you want with the Nest app.

              With this product, it automatically adjusts to the ecological temperature after you leave. Wherever you are, as long as you have a phone, laptop or tablet you can remotely control to change the temperature. You can choose the leaf icon on the screen, which is the energy saving icon.

              Different from other thermostats, Nest sends you an intelligent monthly energy report (HVAC monitoring feature), so you know how the thermostat is working, and for you opportunity to adjust its settings if something goes wrong.

              Google T4000ES Thermostats Specifications

              Product dimensions

              6.46 x 4.88 x 2.32 inches

              Weight

              12.8 ounces

              Manufacturer

              Google

              Connect

              Wi-Fi; Bluetooth Low Energy

              Sensors

              Temperature, humidity, near-field activity, far-field activity, ambient light

              Compatibility

              Domestic hot water tanks; Combi boilers; Hydronic underfloor systems; Air-source and ground-source heat pumps (heating only); System and heat-only boilers; Zoned systems (one Nest Thermostat per zone); Heating systems with OpenTherm technology

              Verdict

              Energy-saving products and beautifully designed, are a great choice for you.

              Best Budget: Emerson ST55 Thermostats

              Emerson ST55 Thermostats
              Emerson ST55 Thermostats
              Pros
              • Easy to install
              • Easy to use.
              • Good price
              • Smart warning
              Cons
              • Simple design

              Each of these thermostats has outstanding features compared to other products. With this product line, you can customize geolocation, flexible 7-day scheduling, remote access and in-app systems use. Installation is not as difficult as some other products, with this product you can set up easily in just 30 minutes.

              It is compatible with Amazon Alexa, Google Assistant, Apple HomeKit, and is powered by Samsung SmartThings. It features an intelligent alarm that detects extreme temperatures and humidity levels in your home.

              Emerson ST55 Thermostats Specifications

              Product dimensions

              3.75 x 5.88 x 1 inches

              Weight

              13.6 ounces

              Manufacturer

              Emerson

              Connect

              Wi-Fi

              Sensors

              Temperature

              Compatibility

              Works with Amazon Alexa, Google Assistant, Apple HomeKit

              Verdict

              Products with many features, energy saving and the best price, you can enjoy the space you want.

              Best for a smart home: Hive HAH2KitHeat&HWAmz 01 Thermostats

              Hive HAH2KitHeat&HWAmz 01 Thermostats
              Hive HAH2KitHeat&HWAmz 01 Thermostats
              Pros
              • Durable
              • Easy to use
              • Beautiful design
              Cons
              • A bit expensive

              This product is compact design, with the screen size is 100 mm x 104 mm. The product system is equipped with a boiler receiver, internet router hub and wall-mounted thermostat. It is one of the best smart thermostats on the market.

              It is noteworthy that this product is easy to use, suitable for all subjects. You can change the temperature or schedule the thermostat from anywhere, set the heating to turn off automatically when you're out of the house, and then turn it back on automatically when you get home. For control, simply send your command to Hive via text. This product has a holiday mode, you just need to tell Hive your holidays, and your job is to go back to the warm house.

              Hive HAH2KitHeat&HWAmz 01 Thermostats Specifications

              Product dimensions

              4.09 x 1.89 x 3.94 inches

              Weight

              7.5 ounces

              Manufacturer

              Hive

              Connect

              Wi-Fi, Zigbee

              Sensors

              Temperature

              Compatibility

              Most gas, LPG, oil and electric boilers

              Verdict

              This product offers you beautiful design, intuitive controls and easy-to-use features, suitable for your smart home.

              Good Quality: Google T3007ES Thermostats

              Google T3007ES Thermostats
              Google T3007ES Thermostats
              Pros
              • Beautiful design
              • Save energy
              Cons
              • A bit expensive

              This product is beautifully designed, with a large, bright, metal display, suitable for any home style. This smart thermostat is programmable to help you learn your schedule and the temperature you like, and program it yourself to save you energy. It is compatible with 95% heating and cooling systems. People can install it in 30 minutes or less. You can control the temperature from anywhere using the Nest app, you can adjust the temperature with your voice.

              Google T3007ES Thermostats Specifications

              Product dimensions

              Google

              Weight

              1 pounds

              Manufacturer

              3.3 x 3.3 x 1.21 inches

              Connect

              Wifi

              Sensors

              Temperature

              Compatibility

              95% heating and cooling systems

              Verdict

              Automatically adjusts as your life and seasons change.

              Best Value: Ecobee Smart Thermostat

              Ecobee Smart Thermostat
              Ecobee Smart Thermostat
              Pros
              • Beautiful design
              • Easy to use, to install
              • Can be controlled by voice
              Cons
              • Expensive

              This product can be considered a step forward in the product line thermostat. The product can be controlled by voice. It can detect your presence, and automatically adjusts the temperature for comfort while you're at home, reducing energy usage when you're away. The time it takes to cool or heat your home costs less energy. With the ecobee app you can control your temperature from anywhere.

              Ecobee Smart Thermostat Specifications

              Product dimensions

              4.29 x 4.29 x 1 inches

              Weight

              1.81 pounds

              Manufacturer

              Ecobee

              Connect

              Wifi

              Sensors

              Temperature

              Compatibility

              N/A

              Verdict

              Experience enhanced comfort with Ecobee that saves energy

              How To Choose The Best Thermostat for Boilers?

              Heat source

              Not all thermostats are compatible with all heat sources. They may be suitable only for underfloor heating, for central heating only, or in some cases for both. You should research carefully before buying the product.

              Price

              This is one of the factors that everyone should consider before buying. However, with this product line, you do not need to buy as often. So investing in an advanced and high-quality thermostat is often your first choice. Quality always goes hand in hand with price.

              Which Brands Make The Best Thermostat for Boilers?

              Emerson

              Emerson was founded in 1890 in St. Louis, Missouri, as a manufacturer of electric motors and fans. Over the past 100-plus years, we have grown from a regional manufacturer into a global technology solutions powerhouse. Their teams across the world are constantly striving to be more connected, forward-looking and customer-focused. Their company values serve as our foundation, informing every decision we make. They are part of a shared vision that keeps us grounded as a company, moving forward together even as the industries they serve continue to shift and transform.

              Ecobee

              Ecobee was founded with the goal of offering people smart home solutions that enable planet positive actions. Ecobee believes our technology should be accessible to everyone. That’s why we partner with local housing organizations, cities, and NGOs to find effective ways to put our technology to work in the communities in need. A smart thermostat can mean saving on energy bills to those who need it most, without sacrificing the comfort of home.

              Since 2018, their Income Qualified (IQ) program has distributed over 20,000 smart thermostats to improve comfort at home.

              Conclusion

              Today, the demand for human life is increasing. Of course, a smart thermostat isn't a must-have for every home. However, for the smart home and human needs, a thermostat is needed with many different prices. It will create a comfortable space after every day of hard work.

              Hopefully, with the information we provide, you can find a thermostat that suits the space and needs of your family.


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