Honeywell T6 PRO WiFi Thermostat

The Honeywell Pro 4000 thermostat is basic and easy to use with optional 5-2 day programming to fit your every day life. This thermostat provides a sleek touchscreen display and offers versatility and convenience in smart home comfort. It makes it easy for you to set your ideal air temperature and pause operation when you’re away, which can help you save on energy costs.


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Backlit Display

The nice backlit display makes adjusting the temperature in the dark a breeze.

Save Time and Energy

No more forgetting to change the thermostat after you leave. The ENERGY STAR® certified T6 Pro Smart Thermostat can use its responsive settings to help budget your energy use at home by adapting to your schedule rather than operating at peak times. Designed with the ability to let you adjust temperatures via the app, your smart thermostat can help save energy when it matters most.

Responds to you

Take stress off of yourself and let this thermostat program your weekly schedule – or enable the geofencing feature to respond to your active lifestyle. When you come and go, your temperature settings will automatically adjust based on your location. 

Supported by Your Favorites

The T6 Pro Smart Thermostat can integrate with smart home Apple HomeKit and Amazon Echo, letting you adjust your temperatures as easy as you change songs on your playlist. This WiFi thermostat also works with your heating system’s stages, up to 2 Heat/1 Cool with heat pump.

5 Year Warranty

For peace of mind.



I am very pleased with the service I get from Wash Energy. Everyone is very professional and responsive. The technicians are very knowledgeable of the products they working on.”
Jerry M.
Issaquah, WA
WES performed exactly as expected. GREAT JOB!!”
Frank H.
Tacoma, WA


  • Specifications



    Use with gas/oil


    Use with electric furnace


    Use of heat pump


    Resume / adaptive intelligent recovery capability


    Backlit display


    Auto changeover


    Memory back-up


    Remote accessible




    Limited warranty

    5 Years

All for home.

Award-winning service and installation.

Since 1957, homeowners have come to know us for the type of best-in-class service they deserve. Frequent winners of the Angie’s List Super Service Award and perennially among the top local contractors rated by the BBB, Angie’s List and GuildQuality.

installation and technicians service home repair

A job done right

Our Home Project Advisors are ready to tailor choices to your lifestyle and budget and our installers have the experience and talent to make sure the work is done right.

Local, trusted, passionate

Since 1957 we have made homes all over the Puget Sound more efficient and comfortable. Our employees are craftsmen with a contagious enthusiasm for rolling up their sleeves and exceeding expectations.

Trained, licensed, bonded and drug tested

Each technician receives a minimum of 100 hours of on-the-job-training each year to ensure everyone is up to date on best practices. All of our employees undergo background checks and drug screens.