SENSI Smart Thermostat | Montreal, Laval, Longueuil, South Shore & North Shore

In stock
SKU: 1F87U-42WFC

At AirGreen, we are proud to offer cutting-edge heating, ventilation and air conditioning (HVAC) solutions in Montréal, Laval, Longueuil and the North Shore and South Shore regions.

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

Quick facts

Model number1F87U-42WFC
ProgrammableYes
Wi-FiIncluded
Touch screenNo
ENERGY STARYes
Warranty5 years

Introduction to the Emerson Sensi Smart Thermostat

At AirGreen, we are proud to offer cutting-edge heating, ventilation, and air conditioning (HVAC) solutions in Montreal, Laval, Longueuil, and the North and South Shore regions. Among our product range, the Emerson Sensi smart thermostat stands out for its ability to combine energy savings with privacy protection. Discover how this thermostat can transform your home comfort experience.

A Revolution in Managing Your Home Comfort

The Emerson Sensi thermostat, winner of several awards, is recognized as one of the best smart Wi-Fi thermostats on the market. With over 100 years of HVAC experience, Emerson provides a reliable and efficient product, ready to be installed in your home.

Substantial Energy Savings

Using the Sensi thermostat can reduce your heating and cooling bills by up to 23%. This thermostat is not just a convenient device; it is also Energy Star certified, ensuring it meets the highest energy efficiency standards. Additionally, you can monitor your monthly consumption via a mobile app and receive detailed reports to help optimize your usage.

Easy and Intuitive Installation

One of the most appreciated features of Sensi is its straightforward installation. Whether you are a DIY novice or an experienced professional, installing this thermostat does not require a common wire (c-wire) for most systems, greatly simplifying the process. The traditional design of the Sensi means it takes up the same space as a standard thermostat, avoiding the need to patch holes or repaint.

Connectivity and Remote Control

Thanks to robust Wi-Fi connectivity, Sensi allows you to control your home's temperature from your smartphone, wherever you are. Whether through the Sensi app or integrations with the most popular smart home systems like Amazon Alexa, Google Assistant, Apple HomeKit, and Samsung SmartThings, adjust your comfort to your lifestyle.

Advanced Features for Maximum Comfort

  • Smart Alerts: Sensi continuously monitors your heating and cooling system and sends you email alerts if a problem is detected.
  • Humidity Monitoring: The thermostat displays humidity levels on-screen and via the app, allowing you to maintain optimal air quality.
  • Flexible Scheduling: Set heating and cooling schedules that match your lifestyle, with the ability to adjust settings based on the days of the week.

Why Choose the Emerson Sensi Thermostat?

Choosing Emerson Sensi means opting for precise control, hassle-free installation, and significant energy savings. Add to this the peace of mind that comes from a product designed by a brand with a century of HVAC experience, and you have the ideal solution to modernize your heating and cooling system.

01 · Key facts

Key facts: SENSI Thermostat Intelligent

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

Type24 V thermostatSENSI Thermostat Intelligent
Wi-FiIncludedconnection
Warranty5 yearsmanufacturer
02 · Compatible?

Is the SENSI Thermostat Intelligent 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 SENSI Thermostat Intelligent 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 SENSI Thermostat Intelligent 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

SENSI Thermostat Intelligent specifications

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

GeneralType24 V thermostat
GeneralModel1F87U-42WFC
GeneralBrandEmerson
11 · Questions

Frequently asked questions about the SENSI Thermostat Intelligent

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.