Thermostat HONEYWELL T6 PRO SMART MULTI-STAGE 3 HEAT/2 COOL | Montreal, Laval, Longueuil, South Shore & North Shore

In stock
SKU: TH6320WF2003/U

AirGreen, a leader in HVAC system installation in Montréal, Laval, Longueuil, the North Shore and the South Shore, is proud to present the Honeywell T6 Pro Smart Thermostat.

24 Vlow-voltage thermostat
Wi-Fiincluded
5 yearsmanufacturer warranty
Wi-Fi includedTouch screenProgrammableVoice control
Get my installed price 514 316-2973

Quick facts

Model numberTH6320WF2003/U
ProgrammableYes
Wi-FiIncluded
Touch screenYes
ENERGY STARYes
Warranty5 years

Control and Comfort with the Honeywell T6 Pro Smart Thermostat

Introduction to Innovative Thermal Control

AirGreen, a leader in HVAC systems installation in Montreal, Laval, Longueuil, North Shore, and South Shore, is proud to present the Honeywell T6 Pro Smart Thermostat. This advanced device is not just a thermostat; it's a comfort manager that intelligently adapts to your lifestyle.

Key Design and Features

The Honeywell T6 Pro is designed to offer an exceptional user experience. Featuring a touch screen, this programmable thermostat allows you to precisely control the temperature of your home while being ENERGY STAR® certified, a mark of energy efficiency.

Connectivity and Remote Control

Connected via WiFi, the T6 Pro enables management from afar via the Resideo App. Whether you're at the office or on vacation, adjust your thermostat settings directly from your smartphone. Activating the geofencing feature to reduce energy consumption when you're away is straightforward.

Flexible and Responsive Programming

This smart thermostat doesn't just follow your schedule; it adapts to it. Program your weekly calendar or let the geofencing feature adjust the temperature based on your location. Thus, there's no need to plan in advance; your home will always be at the perfect temperature when you return.

Seamless Integration into Your Home Ecosystem

Extended Compatibility

The T6 Pro works in harmony with your favorite home devices. Compatible with Apple HomeKit, Amazon Echo, and others, it integrates perfectly into your smart home network. Adjust your heating as easily as you change songs on your playlist.

Professional Installation and Support

At AirGreen, we don’t just sell products; we provide a complete experience. Our certified Resideo professionals will install your T6 Pro and guide you through setting up your preferred settings and creating your home comfort program.

Why Choose the Honeywell T6 Pro Thermostat?

  • Significant energy savings: Adapt your home's energy consumption to your schedule, not the other way around, thanks to smart features like programming and geofencing.
  • Ease of use and control: Manage your home comfort from anywhere, thanks to an intuitive user interface and seamless connectivity.
  • Perfect integration: Compatible with major smart home systems, for a harmonious and connected home.

Conclusion: A Step Towards the Future of Home Comfort

With the Honeywell T6 Pro Smart Thermostat, step into an era of thermal management that promises not only tailored comfort but also notable energy savings. AirGreen commits to providing not only the best products but also expert installation service to ensure your experience is flawless.

01 · Key facts

Key facts: HONEYWELL T6 PRO SMART MULTI-STAGE 3 HEAT/2 COOL

Four things to know, then its ID card in twelve answers. “—” means the manufacturer does not publish it.

Type24 V thermostatHONEYWELL T6 PRO SMART MULTI-STAGE 3 HEAT/2 COOL
Wi-FiIncludedconnection
Warranty5 yearsmanufacturer
02 · Compatible?

Is the HONEYWELL T6 PRO SMART MULTI-STAGE 3 HEAT/2 COOL compatible with your heating?

Two steps, thirty seconds. The verdict takes your system and your wiring into account.

Full compatibility table

Heating systemVerdictWhy
Central heat pumpTo confirmDepends on the number of stages: see the spec sheet below.
Dual energy (heat pump + furnace)To confirmDepends on the model: dual energy needs backup-heat control. See the spec sheet.
Electric furnaceYes24 V control of the furnace.
Gas or oil furnaceYes24 V control of the furnace; the thermostat does not touch the fuel supply.
Steam, gravity or hot waterTo confirmPossible in 24 V depending on the model: our technicians confirm the wiring.
Baseboards, convectors, radiant ceilingNoA baseboard runs on 120/240 V: it needs a line-voltage electronic thermostat.
Fan-forced heaterNoA fan-forced heater needs a line-voltage thermostat rated for fans.
Electric floor heatingNoElectric floor heating needs a floor thermostat with a probe.
Wall or ducted mini-split heat pumpNoA wall heat pump is controlled by its own brand’s controller or a compatible Wi-Fi module.
03 · Wiring

The terminals behind the thermostat

Tap an element to see what it does. A working diagram, not a substitute for the manufacturer’s installation guide.

04 · Try it

Try the HONEYWELL T6 PRO SMART MULTI-STAGE 3 HEAT/2 COOL before you buy

Raise the setpoint, change the mode: see how it responds.

05 · Your savings

How much good programming can save you

Set up your typical week. The math follows the rule published by Natural Resources Canada.

06 · Winter and rebates

Winter, Rate Flex D and rebates: what this thermostat changes

With Hydro-Québec’s Rate Flex D, electricity costs less most of the winter and more during a few peak hours. A programmable thermostat does the work for you.

07 · Head to head

The HONEYWELL T6 PRO SMART MULTI-STAGE 3 HEAT/2 COOL or its closest sibling?

The most useful comparison: the model right next to it in our catalogue.

08 · The right choice

The right thermostat in three questions

If this model is not the right one for you, the page says so and shows you which one is.

09 · Installation

Installed and set up by our technicians, in five steps

What we do at your place, in order. The on-site estimate is free.

  1. 01InspectionEquipment, stages to control and existing wiring.
  2. 02C wireCommon wire added if the model needs it and it is missing.
  3. 03MountingWall base, terminal wiring, cover plate if needed.
  4. 04SettingsEquipment type, stages, dual energy and accessories.
  5. 05Start-upConnection, app, schedule and tests with you.
10 · Specifications

HONEYWELL T6 PRO SMART MULTI-STAGE 3 HEAT/2 COOL specifications

From the manufacturer’s sheet. Type a word: the list filters as you write.

GeneralType24 V thermostat
GeneralModelTH6320WF2003/U
GeneralBrandHoneywell
11 · Questions

Frequently asked questions about the HONEYWELL T6 PRO SMART MULTI-STAGE 3 HEAT/2 COOL

Short answers, no detours.

Can it control electric baseboards?

No. It is a low-voltage (24 V) thermostat. 120/240 V baseboards need a line-voltage electronic thermostat.

Can it be controlled remotely?

Yes, over Wi-Fi.

What is the warranty?

5 years, per the manufacturer’s information.

Does AirGreen install it?

Yes. We sell and install this product in Montréal, Laval, Longueuil, the South Shore and the North Shore. The on-site estimate is free.

AirGreen · Montréal, Laval, Longueuil, South Shore, North Shore

Your thermostat, installed and set up by our technicians

We check your system and wiring, install the thermostat, connect it and program it with you. One visit, one installed price.

RBQ 5645-9605-01Ventilation, refrigeration and electrical
Free estimateon site, before any purchase
Quote in 24 hinstalled price, no surprises
Bouchervilleshowroom

Sources checked on October 5, 2026.

  • Manufacturer’s spec sheet for this product (summarized in the description and specifications above)
  • Natural Resources Canada, “Keeping the Heat In”, section 9 (modified September 29, 2025)
  • Hydro-Québec, electricity rates in effect April 1, 2026; Rate Flex D and Winter Credit Option pages (consulted October 5, 2026)
  • Énergir, smart thermostat grant (consulted October 5, 2026)

Savings shown are estimates; only Hydro-Québec and Énergir confirm a rate or a rebate.