Honeywell T5 vs T6

Honeywell T5 vs T6 – Check Why We Recommend Honeywell T6!


Honeywell T5 and T6 are two of the amazing thermostat for any home, but which one has improved functions? Let’s check out them –

What Are the Differences Between Honeywell T5 vs T6?

Honeywell T5 Honeywell T6
Honeywell T5 Honeywell T6
Honeywell T5 is not a programmable thermostat. Honeywell T6 is a programmable thermostat.
It has one heat and cool stage. It has 2 heat and cool systems.
The T5 has 2 years warranty. The T6 has 5 years warranty.
Check T5 Price at Amazon Check T6 Price at Amazon
Honeywell T6 is built with slightly better features compared to the previous version. Hence, this should be your best bet.

What Makes Honeywell T6 Best?

  • Honeywell T6 is a low voltage, digital plus a communicating thermostat style. Also, it is programmable, while T5 is only a programmable device.
  • You will get 2 heat and cool systems from this device, including 2 heat and 1 heat pump. Besides, the Honeywell T5 thermostat offers 1 cool/heat stage.
  • It is equipped with a 5-year warranty; in contrast, T5 comes with a 2-year warranty. Since T6 comes with a better warranty, you can be tension-free about your thermostat.
  • Honeywell T6 allows you to use the battery for power, and it maintains safety as well. But Honeywell T5 required C-wire to power the thermostat, which could be a little bit of a hassle.

These were the unique features of T6 that ensure you provide quality service. Honeywell T5 is also a good choice, but these things made T6 a better choice.


Other Specifications Chart of Honeywell T5 and T6 

Specifications Honeywell T5 Honeywell T6
Editor’s Rating  4.6 out of 5 4.7 out of 5 
Dimension  4 x 4 x 1.25 inches 5 x 2.3 x 6 inches
Weight  1.76 ounces 0.25 Pounds
Thermostat Type Programmable Communicating, Digital, Low Voltage, Programmable
C-Wire Required  Yes  No 
Display  Touchscreen  Touchscreen 
WiFi Specifications 2.4GHz range 2.4GHz range
Color Black  White
Thermostat Stages 1 cool/heat stages  2 Heat/1 Cool Heat Pumps, 2 Heat/2 Cool Conventional Systems
Alexa Compatible  Yes  Yes 
Geofencing Technology Yes  Yes 
Honeywell Home App Yes  Yes 
Power Supply Hardwired Hardwired, Battery Powered
Energy Star Certified Yes  Yes 
Warranty  2-years  5-years 

Features of Honeywell T5 & T6

Simple Set-Up 

Honeywell T5 and T6 are straightforward to set up and offer a DIY installation process. Moreover, the devices include a professional installation manual.

The T5 requires C-wire; otherwise, the unit will not work the T6 doesn’t need C-wire; it also lets the battery use the device.


The T6 is a more smart plus lightweight thermostat than Honeywell T5. The T5 is stylish, and it comes in black color. It is 4 inches long, 4 inches wide, and 1.25 inches high, plus the weight is 1.76 ounces. Besides, the Honeywell T6 is 5 x 2.3 x 6 inches (L x W x H), and the device is 0.25 Pounds. For people seeking a stylish one, T5 is the right choice but if you need a sleek one, consider the T6.

Thermostat Stages 

When it comes to the thermostat stages, the T6 is the winner. Since the device has some extra temperature features, you will get 2 Heat/2 Cool Conventional Systems and 1 cool and 2 heat pumps. While the Honeywell T5 comes with only 1 cool and heat stage. Hence, the T6 is the best option to get your desired temperature.


Honeywell T5 and T6 are programmable thermostats, so you can schedule when to start work and shut down the devices. They offer you 7 days scheduling function, and once you set schedule mode, the device will automatically set the temperature for comfort.

Also, they use geofence technology that uses your smartphone’s location to control temperature.

Smart Control Function 

You can smartly control Honeywell T5 and T6 since these are compatible with the Honeywell Home App. The app can be installed on your Android and iOS as well. The app will notify you when it needs to change filters.

Moreover, the smart control will also change the temperature automatically so that you achieve your desired temperature.

Furthermore, they are compatible with Alexa’s voice; if you want to use them, you must purchase them separately. The smart control feature helps you save very convenient energy.


Honeywell T5 comes with a 2-year warranty, and the warranty time will cover any defects in the thermostats. But the T6 provides the users a 5-year warranty; if you choose this one, you will get 3 years more warranty. So I suggest you consider the best thermostat for your home that will last longer.

Final Words 

It would be best to consider a thermostat that fits your life; selecting the best one could be a little tough. You should purchase one that will give you greater comfort plus effectiveness, and Honeywell T6 could be the right choice.

Compared to the T5, it includes some amazing functions, so you can rely on this device. But if you seek a smart thermostat that doesn’t require these handy functions, then T5 could be your choice.

Frequently Asked Questions about Honeywell T5 vs T6

Can Honeywell T5 install without C-wire?

No, the T5 requires C-wire to power the thermostat, but the T6 doesn’t require C-wire; instead, you can use the battery to power the device.

Are they programmable thermostats?

Yes, the devices are 7 days programmable; you can schedule the devices to do the work.

Do they provide a warranty?

Honeywell T5 provides a 2-year warranty; on the other hand, the T6 comes with a 5-year warranty.

Are they Alexa compatible?

Honeywell T5 and T6 are Alexa compatible, but you must purchase the Alexa device separately.

Will they cover multiple rooms?

Yes, these devices will cover your whole house; they can focus only on one room if you want.

Learn more comparisons about thermostats.

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