Best Z-Wave Thermostat 2025

Security systems and home automation systems include various sensors, detectors, and devices. One of these devices is a very important component of every smart home. Yes, we are talking about thermostats. This device is responsible for your comfort because it’s very important to control the temperature. It’s not a security tool but it completes the whole system, which makes everything work better.

So, if you have come up with the idea of creating home automation and you’re thinking about Z-wave thermostats, you are at the right place. We are going to tell you about the most efficient, affordable, and interesting models on the market.

TOP 10 Best Z-Wave Thermostat

#1 TRANE Z-Wave Thermostat

The thermostat we want to begin with is made by TRANE and offers a good balance. This is a well-designed device with good compatibility for a reasonable price. It works with the majority of leading brands, such as Nexia and American Standard Air Home. It also supports voice control in the collaboration with Alexa devices. It’s easy to install this thermostat and control it remotely using your PC or smartphone. Note, that thermostat needs to be connected with 24-volt wire to operate.

#2 GoControl Z-Wave Battery-Powered Smart Thermostat

The second thermostat on the list has a lot of similarities with the first one. The main difference is that this device is battery-powered and does not has to be plugged into the electricity. Other characteristics are really almost the same. The thermostat works with all Z-wave hubs, supports voice control, and so on. The GC-TBZ48 is compatible with most contemporary Central HVAC systems. Just mount in on a wall and control it using the mobile app.

#3 Honeywell YTH8320ZW1007/U Z-Wave Enabled Programmable Thermostat

The next device is more complex and techier. This is a small computer with a great backlit touchscreen that allows you to easily configure the thermostat at every moment. The backlit display ensures a clear picture even in the dark. The device is compatible with the majority of Z-wave hubs and conventional and heat pump systems and requires a common wire to power the unit. This is a very adjustable device that allows you to configure everything you need to meet any scheduling requirement. The user-friendly interface will help you with navigation.

#4 Honeywell TH6320ZW2003 T6 Pro Series Z-Wave Thermostat & Comfort Control

Another Honeywell thermostat for those who want something more affordable. This one doesn’t offer such a great backlit display and accurate configuration but yet has a lot to show. It’s easy to install and connect this thermostat to any z-wave hub because the compatibility is still good and the device is battery-powered, which makes the installation easier. 3 AA batteries are included to power the thermostat. Despite that the functionality is good enough, the device is half cheaper.

#5 Alarm.com Smart Thermostat

Alarm.com is known for its cloud services. For proper work, you will need an Alarm.com account that will help you to monitor and control your system. This thermostat supports all the necessary features, such as custom schedules, critical temperature alerts and Geo-Services Automation, and Alexa voice control. The device runs on 2 AA batteries, which makes it easy-to-install. The only downside of this model is its compatibility because the greatest efficiency is achieved by connecting only Alarm.com devices and services together.

#6 Radio Thermostat Company of America CT100 Thermostat

This one is not as popular as previous models because it’s not a well-known brand. But it doesn’t mean that you should not buy it! The reason why it’s not that popular is that its frequency regions are US, Canada, and Mexico. This thermostat has a compact design and supports all necessary protocols and command classes. Perhaps, you will face some complication upon connecting this device to your z-wave hub if you have some not standard controller.

#7 STELPRO KI STZW402WB+ Z-Wave Plus Thermostat

The next model is rather affordable and offers decent features. First of all, The Stelpro KI is the first thermostat in North America that works with line voltage. This thermostat is compatible with all leading brands, such as SmartThings, Vera, HomeSeer, Nexia, and Wink, which is a great advantage. By pairing Stelpro KI with other z-wave devices, you can create advanced automation to trigger heating with various sensors. The device also supports Alexa.

#8 Trane XL824 Nexia Control

This model is accurate and simple but with some specific details. It's equipped with Nexia Home Intelligence Bridge, which ensures fast and simple access to your system from any device. The XL824 is designed to work with Conventional 24v Heat/Cool and Dual fuel systems. It supports up to 5 heat stages and 2 cool stages. The 4.3 diagonal touchscreen makes the process of configuring a way easier. Note that this model is only for Trane & American Standard 3-Wire Communicating Systems. Thus, compatibility is the only trouble with this thermostat.

#9 Adamax CT32 Radio Thermostat

Another well-designed, not expensive thermostat with touchscreen and 300 series z-wave module. The unit can control 2 heat stages and 2 cool stages. The battery power source makes the installation easier and faster. You will need 4 AA batteries to power the unit. Thus, it can work for a long time. Thanks to such devices, it's possible to adjust an energy-saving level and save money. Bedsides, this thermostat works with nearly any HVAC system and traditional furnaces. What comes to compatibility, this device won't bring any troubles.

#10 Remotec ZTS-500US Z-Wave Smart Thermostat

The last thermostat in this review is a device with a beautiful innovative design that will suit modern interiors perfectly. It offers an intuitive, user-friendly interface to combine the thermostat with other z-wave devices. Concerning compatibility, the device is designed to work with heat pump systems with up to 2 stages of heating and 1-2 stages of cool. Also, this model uses AES128 encryption to ensure the most secure connection. To power the unit, you will need 4 AA batteries. These batteries are enough to make the unit work for up to 1 year.

Conclusion

All the thermostats in our top list are quite balanced and they have many things in common. Although it's hard to point out the best models because they are all good, we have some advice on what model to choose, depending on your budget.

The best cheap models:

• #4 Honeywell TH6320ZW2003 T6 Pro Series Z-Wave Thermostat & Comfort Control
• #9 Adamax CT32 Radio Thermostat

And some expensive models as well:

• #3 Honeywell YTH8320ZW1007/U Z-Wave Enabled Programmable Thermostat
• #5 Alarm.com Smart Thermostat