a smart thermostat inside the house

Best Dual Zone Smart Thermostat

Dual-zone smart thermostats follow your voice commands to let you control the temperature of two separate zones in your smart home conveniently. That’s because they work with a smart speaker of your choice to give you voice control over your HVAC system.

Assume you want to control the temperature of your two bedrooms separately; you will need a dual-zone smart thermostat. They have a wide application and also allow you to control them remotely via a mobile app.

They come with room sensors to help you keep track of temperature changes in the two zones. As a result, everyone can set the temperature setting of their choice.

This article will look at some of the best dual-zone smart thermostats on the market. It will also cover a few things to know about these smart home devices before buying them. So, be sure to stick around for a while for more information on these controls for heating systems.

What are the best dual-zone smart thermostats?

Thermostat Ecobee4 with 2 Sensors

This Ecobee4 smart thermostat comes with two sensors – the SmartSensors. You can place them in the rooms of your choice and customize their comfort levels separately.

The room sensors detect temperature changes, allowing you to see the changes on the ecobee app and adjust the temperatures. As such, this is a dual-zone smart thermostat for your smart home.

What’s more, you could save up to 23% on energy usage. The room sensors also act as motion sensors.

If they detect that the rooms are unoccupied, they communicate with the smart thermostat, which controls your heating and cooling system to stop the unnecessary heating or cooling process.

Controlling the temperature is also convenient since you could do it right from the ecobee app. It doesn’t matter where you are since the app gives you remote control of the smart thermostat.

If you’d love hands-free control, you could use the built-in Alexa voice assistant to adjust the temperatures.

Alexa does more than changing the temperatures for you. You could also command it to play your favorite music track or read out the news for you. Alexa has you covered on any update you need.

Connect this smart thermostat to your Wi-Fi network using its built-in Wi-Fi to control it from anywhere.

Installation takes a short time. And in 30 minutes, your system will be up and running. You will require a c wire to power up your smart thermostat. But worry not if your home doesn’t have a C-wire.

You could still use the Power Extender Kit to connect your device to a power supply. Since this smart thermostat comes with two sensors, it is ideal for dual-zone temperature control.

Remote app control.No geofencing technology.
Built-in Alexa.No touchscreen display.
It saves 23% of energy.
Two SmartSensors.
Easy installation.
Best Dual Zone Smart Thermostat Reviews

Google Nest Learning Thermostat

The first thing you probably notice about this smart thermostat is its 480p display. The high-resolution screen always tells you the temperature setting you’ve chosen.

And you can see the temperature reading from afar. The material quality is also phenomenal. The stainless steel ensures your Nest Learning thermostat performs excellently for a lifetime.

Controlling the temperature is easier than you might think. The smart thermostat features buttons on the outer ring for selecting your ideal temperature setting.

You can also use the Nest app to choose the temperature you like from wherever you are, thanks to the remote control app function.

Users also love the fact that this smart thermostat works with multiple Nest Temperature Sensors. You can place a sensor in each room to monitor temperature changes, among other things.

The sensors let you control the temperature of each room separately. Also, the room sensors act as motion sensors.

When you’re home, the sensors detect your presence, and the smart thermostat automatically adjusts the temperature for you – just how you like it. But when you’re away, they detect your absence and tell the smart thermostat to stop the HVAC system, thus saving you money.

Perhaps the most outstanding feature is the Nest Learning ability. This smart thermostat knows your schedule ensures your zones are as comfortable as possible by the time you’re back to the house.

You could also control it by voice since it works with various voice assistants, such as Google Home and Amazon Echo. Place the Nest Temperature Sensors in your preferred rooms and customize their comfort levels separately with this smart thermostat.

Remote control.It doesn’t include sensors.
It is programmable.It drains batteries fast.
It supports voice control and HD display.
It works with multiple sensors.
It has Home/Away mode and It saves energy.
Best Dual Zone Smart Thermostat Reviews

Honeywell Internatl Lyric T5 Wi-Fi Thermostat

This Honeywell Internal Lyric T5 smart thermostat is an update of the previous version, the Lyric T3 smart thermostat by the same brand. As such, it performs better and is more efficient. It boasts a beautiful design that makes it attractive to watch.

But don’t let all those state-of-the-art looks deceive you because it has excellent features rolled up its sleeves, ready to serve you.

The first thing you probably notice is the touchscreen display. This screen shows important data such as indoor temperature setting, time, mode, and the fan option.

It also shows the menu option, making your manual control easier than you might think. You only need to touch the screen to navigate through the menu.

It connects to your home Wi-Fi via the built-in Wi-Fi to grant you remote control via the mobile app. The app lets you set schedules, geofencing, and select your ideal temperature setting from wherever you are.

Install the Honeywell app on your iOS or Android smartphone and control this smart thermostat from wherever you feel comfortable.

The smart thermostat works with room sensors to let you know the zones that need heating or cooling the most. You will receive smart alerts via the app and adjust the temperature to meet your comfort needs.

You also receive smart alerts about your filters if your HVAC system needs maintenance.

You could schedule your smart thermostat using location-based scheduling or time-based scheduling. The former uses your phone’s location to know how to adjust the temperature.

On the other hand, time-based scheduling uses your set time to adjust the temperature according to your selection in the settings.

Smart scheduling uses the two scheduling methods to achieve your desired temperature setting. Since this smart thermostat uses room sensors to help you customize the comfort level in each room, it is one of the best dual-zone smart thermostats.

If you need another smart thermostat with room sensors and a touchscreen display for the same brand, check out Honeywell home t9 smart thermostat.

Remote control.No energy monitoring.
Smart scheduling.Sensors only detect temperature changes.
Touchscreen display.
Smart alerts.
It works with voice controls.
Best Dual Zone Smart Thermostat Reviews

Glas Smart Thermostat by Johnson Controls

Maybe this Glas Smart is the most futuristic smart thermostat on the list, given its sleek and state-of-the-art design. It boasts a large translucent OLED touchscreen for selecting your preferred temperature manually.

The interface comes in handy when controlling the temperature as much as when scheduling this smart thermostat.

The smart thermostat also comes with occupancy sensors for controlling the HVAC system. When no one is in the zones with the occupancy sensors, your HVAC system will stop heating or cooling those zones.

As a result, you will incur reduced energy bills every month. Therefore, this is one of those smart thermostats that save you money.

It connects to your Wi-Fi network via its built-in Wi-Fi. You could then connect it with voice controls of your choice, such as Google Assistant or Amazon Alexa. Wi-Fi connectivity also allows you to control this smart thermostat remotely via the GLAS app.

The smart thermostat also comes equipped with other smart features. The first one of which is the monitoring feature. Yes, this Wi Fi thermostat monitors the air quality inside your home and alerts you if the quality is poor or unsafe to breathe.

If your air has allergens or high in CO2 buildup, this smart thermostat will alert you via the app.

It works with various heating and cooling systems: gas heat, electric heat, and dual-fuel heat HVAC configurations. It also monitors your set schedules and ensures the temperature is as you like when you’re at home.

Therefore, it helps you save money and could be ideal for your residential space.

Intuitive OLED display.The touchscreen is not very sensitive.
It works with various voice controls.Some users experience challenges installing it.
Energy-saving performance.
It includes occupancy sensors.
Sleek and futuristic design.
Best Dual Zone Smart Thermostat Reviews

How To Select the Best Dual-Zone Smart Thermostats

Finding the best dual-zone smart thermostat isn’t a hassle if you know what to look for when buying these smart home devices. You should consider the following features to improve your chances of finding the best possible dual-zone smart thermostats on the market:

Room Sensors

Room sensors play a crucial role in detecting temperature changes in the different zones within your smart home. Some also double up as occupancy sensors, and they’re the ones that are best for your residential space.

Such room sensors detect your presence or anyone else’s for that matter and adjust the temperature to your favorite comfort level.

They also stop the heating and cooling process if the rooms are unoccupied. Therefore, they help reduce your energy bills. Look for smart thermostats with room sensors that also act as occupancy sensors for efficient temperature customization and energy-saving performance.

Wi-Fi Connectivity

Smart thermostats with built-in Wi-Fi could connect to your network wirelessly. And this wireless connectivity is essential for controlling your smart thermostat remotely from anywhere.

Once you have downloaded the smart thermostat’s mobile app on your smartphone, you could control its temperature from anywhere. So, look for smart thermostats with built-in Wi-Fi connectivity.

Besides, these smart thermostats also connect with your favorite voice controllers through the same wireless network. You can then use your voice commands to control the temperature setting and ask your voice assistant to read out the news for you.

You could do so much more with voice assistants besides giving you voice control over your HVAC system. So, look for smart thermostats with built-in Wi-Fi connectivity.

Source of Power

Smart thermostats are also electrical devices. That means they need the juice like any other electrical device. But as you might have guessed correctly, they derive their energy from different sources.

Most smart thermostats require a C-wire for their electrical energy needs. But some come with a power extender kit for connecting them to an electrical power source.

If your house has a C-wire, you should buy smart thermostats that need electrical energy from a C-wire. But if your home has no C-wire, smart thermostats with a power extender kit will be your best option.

That means you need to check if your house has a C-wire before you buy any smart thermostat.

Compatibility with HVAC System

You can be sure to find different HVAC systems. And your system could be different from another person’s system. Duct-free, hybrid split systems, and heating and cooling split systems are different types of HVAC systems.

So, you want to make sure your preferred smart thermostat works best with your HVAC system. The great news is that smart thermostats work with various HVAC systems.

But you should still check to ensure your device is compatible with your heating and cooling system.

Geofencing Technology

A smart thermostat with this tech uses its app and your smartphone’s GPS to set up a virtual perimeter around your home. Once you’re out of this perimeter, your smart thermostat automatically initiates a stop to the heating or cooling process, saving you money in return.

When the smart thermostat detects that you’re on your way back home, it controls the HVAC system to start heating or cooling your zones to your ideal comfort level by the time you’re inside your home.

Therefore, the geofencing technology should be a must-have for your preferred smart thermostat. Be sure to find smart thermostats with this innovative piece of tech for energy-saving performance.


Smart thermostats come in various designs. You can find those that feature large intuitive touchscreen displays, while some have no such feature. Others only have a 480p display for showing you the temperature setting you’ve chosen.

Whichever design you choose, make sure it blends with your home décor and lets you control it with ease from anywhere. But it is a great idea to select smart thermostats with a touchscreen display for easy manual control.

Smart Alerts

Smart alerts ensure your smart thermostat always performs at its best. Some smart thermostats have sensors that could alert you if the humidity level rises above normal or if your HVAC system is raising the temperature above the setting you chose.

You could also find smart thermostats that send you smart alerts if the air quality is poor or if allergens are lurking around. These are the smart thermostats to consider choosing because they alert you if there are any hazards in the air.

Always buy smart thermostats that alert you if anything is wrong within the zones with the sensors.


a smart thermostat on the wall with a chair and lights

Do smart thermostats use battery power?

Smart thermostats use battery power but only for emergencies. They use the household’s power supply via the C-wire or a power extender kit most of the time.

The good news is that you don’t need to worry about the battery power unless you’ve not connected your smart thermostat to your home’s power supply.

How do the room sensors work?

Dual-zone smart thermostats use room sensors to detect changes in temperature within the zones with the sensors. The sensors also double up as occupancy sensors for detecting if your zones are unoccupied.

As such, they allow you to adjust the temperature of your zones separately as the sensors stop the heating or cooling process in unoccupied zones.

Can I control my dual-zone smart thermostat remotely?

Smart thermostats with built-in Wi-Fi will connect to your home’s network wirelessly. And this allows you to control them from anywhere via their mobile app on your smartphone.

The app lets you do more than adjusting the temperature. Some apps allow the smart alerts to pop up in notifications if your zones have issues that need your immediate attention.

How do dual-zone smart thermostats save energy?

Smart thermostats use different technologies to save energy. Geofencing is a notable tech that smart thermostats use to save energy.

Once you’re out of the virtual perimeter around your smart home, the smart thermostat will stop the HVAC from heating or cooling the zones unnecessarily since you won’t use the comfort level. And in the process, the smart thermostat will save you money.

The Home/Away feature is another tech that smart thermostats use to save energy. Smart thermostats with this feature use their room sensors to know if you’re away and reduce the HVAC function, saving energy in the process.

The sensors also detect if someone is at home and communicate with the smart thermostat to initiate the heating or cooling process.

Wrap Up

Dual-zone smart thermostats are an excellent addition to any smart home. They come with sensors for your zones to let you customize the comfort levels separately.

And that means everyone can have their ideal temperature setting. They also connect to your home’s network wirelessly, granting you remote control over them.

You can then monitor and customize the temperature from anywhere and add your preferred voice control over the same Wi-Fi network.

If you were looking for some of the best dual-zone smart thermostats, we hope that this article has helped you greatly by suggesting a few for you. You can check them out and see which ones will work best for your smart home.

You can also use the buyer’s guide to find other best dual-zone smart thermostats on the market. As always, nothing matters more than a safe and comfortable home. Install a dual-zone smart thermostat to customize the comfort levels to meet everyone’s needs.

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