EMERSON 80 Series Thermostat 1F85U-42PR | Montreal, Laval, Longueuil, South Shore & North Shore

In stock
SKU: 1F83H-21NP

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

24 Vlow-voltage thermostat
Simpleno app
5 yearsmanufacturer warranty
Get my installed price 514 316-2973

Quick facts

Model number1F83H-21NP
ProgrammableNo
Wi-FiNo
Touch screenNo
ENERGY STARNo
Warranty5 years

Installation and Benefits of the Emerson 80 Series Thermostat at AirGreen

Introduction to Modern Temperature Control

At AirGreen, located in Montreal and also operating in Laval, Longueuil, as well as the North Shore and South Shore, we understand the importance of precise temperature control for your home's comfort. That's why we are proud to offer the installation of Emerson thermostats from the 80 Series, temperature control devices that combine modern technology, ease of installation, and proven performance.

Why Choose the Emerson 80 Series Thermostat?

The Emerson 80 Series thermostat is renowned for its great ease of use and adaptable design. This non-programmable model offers easy installation with an integrated level and a simple setup menu, making it ideal for all types of residential applications.

Outstanding Features:

  • Large, backlit display: Visibility is maximized thanks to its high contrast screen, facilitating the reading and adjustment of settings even in low light conditions.
  • Dual fuel control without an outdoor sensor: Optimize your energy consumption without additional complications.
  • Keypad lockout and adjustable temperature limits: These features ensure that settings remain modified only according to your needs.

Expert Installation by AirGreen

Installing a thermostat might seem complex, but not with AirGreen. Our qualified technicians are equipped to install your new Emerson thermostat quickly and efficiently, ensuring immediate and hassle-free performance. The installation process includes:

  • Quick mounting and configuration: Thanks to a universal backplate and an integrated level, the thermostat is installed perfectly level, ensuring its optimal operation.
  • Clear instructions and ongoing support: We guide you through each step of using your new thermostat and remain at your disposal for any future assistance.

Long-term Benefits for Homeowners

Opting for an Emerson 80 Series thermostat through AirGreen not only ensures expert installation but also continuous benefits that increase comfort and reduce the energy costs of your home.

  • Energy savings: Precisely adjust your heating and cooling, thus reducing unnecessary expenses.
  • Customized comfort: Easily adapt settings to meet your personal preferences and weather conditions.

Why Trust AirGreen?

With over 75 years of experience, AirGreen and Emerson offer a winning combination of reliability and innovation. We are committed to providing solutions that not only meet but exceed our clients' expectations through a guaranteed temperature control accuracy of ±1°.

01 · Key facts

Key facts: EMERSON 80 Series 1F83H-21NP

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

Type24 V thermostatEMERSON 80 Series 1F83H-21NP
Wi-FiNoconnection
Warranty5 yearsmanufacturer
02 · Compatible?

Is the EMERSON 80 Series 1F83H-21NP 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 EMERSON 80 Series 1F83H-21NP before you buy

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

05 · 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.

06 · Head to head

The EMERSON 80 Series 1F83H-21NP or its closest sibling?

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

07 · 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.

08 · 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.
09 · Specifications

EMERSON 80 Series 1F83H-21NP specifications

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

GeneralType24 V thermostat
GeneralModel1F83H-21NP
GeneralBrandEmerson
10 · Questions

Frequently asked questions about the EMERSON 80 Series 1F83H-21NP

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?

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.