PROSYNC T755WHO Thermostat | Montreal, Laval, Longueuil, South Shore & North Shore

In stock
SKU: T755WHO

For a home heated by a central system: furnace, central heat pump or dual energy.

24 Vlow-voltage thermostat
Programmablebuilt-in schedule
5 yearsmanufacturer warranty
Programmable
Get my installed price 514 316-2973

Quick facts

Model numberT755WHO
ProgrammableYes
Wi-FiNo
Touch screenNo
ENERGY STARNo
Warranty5 years

Installation and Benefits of the Prosync T755WHO Thermostat: A Revolution in Home Comfort

Introduction to Modern Comfort

At AirGreen, a leader in heating, ventilation, and air conditioning (HVAC) solutions in Montreal, Laval, Longueuil, as well as on the North Shore and South Shore, we are proud to introduce the Prosync T755WHO thermostat. This advanced device is designed to transform your residential experience and optimize your energy consumption. Let's explore together the exceptional features and benefits of this cutting-edge thermostat.

Technical Characteristics of the Prosync T755WHO

The Prosync T755WHO thermostat is a wireless universal model capable of managing up to 2 heating and 2 cooling zones for conventional systems, and up to 4 heating and 2 cooling zones for heat pumps. Here are some highlights of its features:

  • Flexible Programming: you can choose between 7-day, 5/1/1-day, or non-programmable settings, offering total adaptability to your routine.
  • Occupancy Sensor: automatically adjusts the temperature based on room occupancy, ensuring comfort and energy savings.
  • Humidity Control: maintains the ideal humidity level for increased comfort and better respiratory health.
  • Versatile Installation: compatible with both electric and gas systems, with separate B and O terminals for easy setup.

Intuitive Features and Ergonomic Design

The Prosync T755WHO thermostat is not just high-performing, it is also designed for intuitive use:

  • Large 7-inch Display: clear and easy to read, with a blue backlight and a glow-in-the-dark light button, perfect for nighttime adjustments.
  • Menu-Driven Programming: simplifies setup with clear programming icons for waking, leaving, returning, and sleeping.
  • Filter Change Indicator: informs you when it is time to change the filter, thus extending the life of your HVAC system and improving indoor air quality.

Energy and Economic Benefits

Choosing the Prosync T755WHO thermostat means opting for optimal energy management:

  • Precise Temperature Settings: with a display accuracy of ± 1°F and the ability to adjust the temperature swing for both heating and cooling, you control exactly the climate in your home.
  • Compressor Delay Protection: prevents frequent starts of the compressor, reducing wear and increasing efficiency.
  • Energy Savings: thanks to smart programming and the occupancy sensor, you reduce your energy consumption, which is directly reflected in your bills.

Conclusion: An Investment in Your Comfort

The Prosync T755WHO thermostat represents the future of residential climate control. Easy to use, energy-efficient, and highly adaptable, it is the ideal tool to enhance the comfort of your home while managing your energy expenses. Invest in your well-being with AirGreen and discover comfort at a higher level with the Prosync T755WHO.

01 · Key facts

Key facts: PROSYNC T755WHO

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

Type24 V thermostatPROSYNC T755WHO
Wi-FiNoconnection
Warranty5 yearsmanufacturer
02 · Compatible?

Is the PROSYNC T755WHO 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 PROSYNC T755WHO 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 · Room by room

The sensor decides which room counts

An interactive drawing of what this kind of control does day to day.

08 · Head to head

The PROSYNC T755WHO or its closest sibling?

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

09 · 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.

10 · 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.
11 · Specifications

PROSYNC T755WHO specifications

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

GeneralType24 V thermostat
GeneralModelT755WHO
GeneralBrandProSync
12 · Questions

Frequently asked questions about the PROSYNC T755WHO

Short answers, no detours.

Does it need a C wire?

Yes. It needs wired 24 V power with a common wire. If the wire is missing, our technicians add a conductor during installation.

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?

Not directly: it has no built-in 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.