Repair · Maintenance · Installation

Heating serviceMercier–Hochelaga-Maisonneuve

Repair, maintenance, installation, and replacement of residential heating systems in Mercier–Hochelaga-Maisonneuve: wall-mounted heat pumps, central heat pumps, electric furnaces, central systems, and HVAC solutions suited to Quebec winters.

Rated 4.9/5 by 500+ Google reviews!
  • Heat pump, electric furnace, and central HVAC system repair
  • Preventive maintenance before and during the heating season
  • Installation and replacement of efficient heating systems
  • Solutions for condos, plexes, houses, and multi-unit buildings in Mercier–Hochelaga-Maisonneuve
  • Experienced refrigeration technicians, RBQ-licensed company
  • Price explained before work begins

Free estimate · On site, anywhere in Mercier–Hochelaga-Maisonneuve

RBQ 5645-9605-01Contractor licence
$5MCivil liability insurance
4.9/5500+ Google reviews
BouchervilleShowroom
Certified by the manufacturers · Licensed · Insured
Fujitsu Elite Plus Certified Fujitsu dealer
GREE Elite Certified GREE dealer
Midea Elite Certified Midea dealer
Sharp Platinum Certified Sharp dealer
RBQ licence 5645-9605-01
4,9 / 5 500+ Google reviews
$5M Civil liability insurance

84 heating jobs and service calls published in Mercier–Hochelaga-Maisonneuve. Here are a few:

Sharp Eco Inverter wall-mounted heat pump in Mercier–Hochelaga-Maisonneuve
Real job · Mercier–Hochelaga-Maisonneuve
Sharp Eco Inverter wall-mounted heat pump
GREE LIVO R32 wall-mounted heat pump in Mercier–Hochelaga-Maisonneuve
Real job · Mercier–Hochelaga-Maisonneuve
GREE LIVO R32 wall-mounted heat pump
Sharp wall-mounted heat pump in Mercier–Hochelaga-Maisonneuve
Real job · Mercier–Hochelaga-Maisonneuve
Sharp wall-mounted heat pump
01 · Services

Repair, maintenance, installation and replacement

Heating repair
01 / 05

Heating repair

Is your system no longer heating, blowing cold air, starting and stopping too often, or displaying an error code? AirGreen can diagnose problems with wall-mounted heat pumps, central heat pumps, electric furnaces, central systems, thermostats, blower motors, control boards, or electrical components.

Diagnose my heating system
02 · Your building

A heating service tailored to the buildings of Mercier–Hochelaga-Maisonneuve

In Mercier–Hochelaga-Maisonneuve, a heating system must be chosen and maintained according to the building’s specifics: a condo with co-ownership rules, an old duplex or triplex, a plex with alley access, a house with existing ducts, an outdoor unit on a balcony or flat roof, a compact mechanical room, a limited electrical panel, or a dwelling with different comfort zones. At AirGreen, we analyze these constraints before recommending a repair, replacement, or new installation.

Interactive tool

Find the right heating for your Mercier–Hochelaga-Maisonneuve home in 3 questions

Your recommendation updates live, with a real job we did in Mercier–Hochelaga-Maisonneuve.

1Your home
2Your current heating
3Your goal
Hitachi airHome Multi triple-zone multi-zone heat pumpReal job · Mercier–Hochelaga-Maisonneuve
Our recommendation

Multi-zone heat pump

One outdoor unit and one head per floor or bedroom: every room gets its own temperature.

Permit in Mercier–Hochelaga-MaisonneuveNo permit · 1 m
SubsidyDepends on the unit chosen
See the job: Hitachi airHome Multi triple-zone multi-zone heat pump ›Get my quote
Our work in Mercier–Hochelaga-Maisonneuve

Real heating jobs, in your area

Every photo comes from a job or a service call we did. Click to read the full report.

Our published installations in Mercier–Hochelaga-Maisonneuve, by system
Wall-mounted heat pumps
52
Multi-zone
10
Central and furnaces
6
Other (air conditioner, air exchanger)
1

Source: “Our work” articles published on airgreen.ca.

Jobs and service calls published in Mercier–Hochelaga-Maisonneuve, by year
2
16
8
58
2023202420252026

Counted on November 5, 2026. Brands repaired in Mercier–Hochelaga-Maisonneuve: LG, Midea, Gree, Fujitsu et Sanyo.

Real AirGreen photos. Where a town has fewer published jobs, we add jobs from nearby towns, always labelled with their town.

Local profile · 2021 census

Mercier–Hochelaga-Maisonneuve: local profile and heating

Mercier–Hochelaga-Maisonneuve is one of the 19 boroughs of the City of Montréal.

In the 2021 census, Mercier–Hochelaga-Maisonneuve had 140,627 residents on 25.4 km² (about 5,537 residents per km²).

Since 2023, we have published 84 jobs and service calls in Mercier–Hochelaga-Maisonneuve, including 68 heating installations. What we install most there: 52 wall-mounted heat pumps, 10 multi-zone systems, 5 central and ducted heat pumps and 1 electric furnace. Most installed brands: SHARP (26), GREE (22) and FUJITSU AIRSTAGE (5).

Our Montréal office (4951 Sainte-Catherine Street East) is about 3 km away as the crow flies; our Boucherville showroom, about 8 km.

Our advice for heating a home in Mercier–Hochelaga-Maisonneuve

  • Plexes, condos and row houses: a wall-mounted or compact multi-zone heat pump heats well without adding ducts.
  • The outdoor unit must meet your area’s distance and noise rules: balcony, roof or yard, we check before installing.
  • In a condo, the board’s approval is often required for the outdoor unit; we give you the spec sheet to present.
140,627Population in 2021
5,537Residents per km²
≈ 3 kmFrom our Montréal office
84Published jobs and calls

Sources: Statistics Canada, 2021 Census of Population (table 98-10-0002-01); City of Montréal, Montréal en statistiques (borough population and area, 2021); straight-line distances, rounded; jobs: reports published on airgreen.ca as of November 5, 2026.

03 · System types

Types of heating systems serviced by AirGreen in Mercier–Hochelaga-Maisonneuve

Wall-mounted heat pump Heating & Air Conditioning

Wall-mounted heat pump

A popular solution for heating and cooling a room, condo, multi-unit building, or specific area. It is ideal when the building has no ductwork and you want to improve comfort without installing a complete central system.

See the products
Multi-zone heat pump Heating & Air Conditioning

Multi-zone heat pump

A single outdoor unit connected to multiple indoor units to control comfort in different rooms or on different floors. This is an interesting solution for plexes, multi-story houses, large condos, and buildings in Mercier–Hochelaga-Maisonneuve where needs vary from one area to another.

See the products
Cassette, ducted, console, and floor-ceiling units Heating & Air Conditioning

Cassette, ducted, console, and floor-ceiling units

For projects where a traditional wall unit is not ideal, AirGreen offers more discreet or specialized heating solutions: ceiling cassette, ducted unit, low console, and floor-ceiling unit. These systems can be very useful in condos, plexes, houses, or commercial spaces in Mercier–Hochelaga-Maisonneuve where aesthetics, wall space, air distribution, or room layout require a more personalized approach.

See the products
Complete central system Heating & Air Conditioning

Complete central system

A complete central system generally includes a central indoor unit, such as an electric furnace or air handler, combined with an outdoor unit, such as a central heat pump. This solution makes it possible to heat and cool the entire property using an existing or newly adapted ductwork system.

See the products
Central “Add-On” heat pump Heating & Air Conditioning

Central “Add-On” heat pump

The “Add-On” solution is designed to add a central heat pump to an existing central system. It improves heating efficiency and adds central air conditioning, while retaining certain existing components when their condition, compatibility, and the building’s configuration allow.

See the products
Electric furnace Heating Only

Electric furnace

An electric furnace is a reliable solution for central forced-air systems. It can serve as the primary heating system or be combined with a central heat pump to provide supplemental heat during periods of more intense cold.

See the products

How a heat pump heats your home in winter

1The outdoor unit captures heatEven in cold weather, outdoor air contains heat. The refrigerant picks it up.
2The compressor concentrates itCompressed refrigerant rises in temperature.
3The lines carry it insideThe hot refrigerant enters the house through the refrigerant lines.
4The indoor unit releases itWall head, ducted unit or air handler: the heat is blown into the rooms.
Defrost: the outdoor unit defrosts for a few minutes per cycle. That is normal in winter.
Backup: baseboards or an electric furnace take over during the coldest periods.
SystemBest forDucts neededZonesHeats and cools
Wall-mounted heat pumpA room, a condo, a plexNo1Yes
Multi-zoneMulti-storey houses, plexes, large condosNo2 or moreYes
Cassette, ducted, console, floor-ceilingLooks, little wall spaceDucted only1 or moreYes
Complete central systemThe whole propertyYesWhole houseYes
Add-On central heat pumpCentral system already in placeYes, existingWhole houseYes
Electric furnaceForced air, backup in deep coldYesWhole houseHeating only
04 · Brands

Our Most Popular Brands in Mercier–Hochelaga-Maisonneuve

FUJITSU: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreHITACHI: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreSAMSUNG: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreLG: Heating, Ventilation & Air conditioning | Montreal, Laval, Longueuil, South Shore and North ShoreSHARP : Heating, Ventilation & Air Conditioning | Montreal, Laval, Longueuil, South Shore and North ShoreMIDEA: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreGREE : Heating, Ventilation & Air Conditioning | Montreal, Laval, Longueuil, South Shore and North ShoreDIRECT AIR: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreCANAIR: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreELIOS: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North ShoreBOSCH : Heating, Ventilation & Air Conditioning | Montreal, Laval, Longueuil, South Shore and North ShoreFORESTAIR: Air Conditioning, Ventilation & Heating | Montreal, Laval, Longueuil, South Shore and North Shore
05 · Permits and bylaws

Permits and Regulations: Mercier–Hochelaga-Maisonneuve

If you are planning an air conditioning, ventilation, or heating project in Mercier–Hochelaga-Maisonneuve, it is essential to first find out whether a permit is required.

Additionally, it is highly recommended to consult the current regulations regarding the installation of heat pumps or air conditioners to ensure a compliant and smooth implementation!

Learn More
At a glance
PermitNo permit
Distance from lot lines1 m
Permit feeNot applicable
Montréal borough · Checked on September 30, 2026See all the rules
Allowed With conditionsSetback : 1 m
Where to install in Mercier–Hochelaga-Maisonneuve

The rules for your outdoor unit, at a glance

BackyardAllowedAt least 1 m from the side and rear lot lines.
Side yardWith conditionsAt least 1 m from the side and rear lot lines. Screen or plantings to reduce its visibility from the street.
Front yardWith conditionsAllowed. Screen, plant panels or similar features to reduce its visibility from the street.
BalconyWith conditionsAllowed on a balcony or gallery, with a screen or plant panels that reduce its visibility from the street.
Flat roofNot specifiedNot specified in the bylaw: confirm with urban planning.

Source: Urban planning bylaw 01-275, s. 85, 330.1, 342 and 342.2; borough noise bylaw B-3, s. 8; City of Montréal, “Obtenir un permis pour installer une thermopompe ou un appareil de climatisation”, Mercier–Hochelaga-Maisonneuve section · checked 2026-09-30

06 · Troubleshooting

Is your heating no longer working properly?

A heating problem can quickly become urgent during winter in Mercier–Hochelaga-Maisonneuve. Before replacing a device, it is important to first understand the real cause of the issue: adjustment, thermostat, filter, ventilation, defrosting, electrical component, refrigerant, or air distribution. AirGreen provides a clear diagnosis to help you determine whether your system can be repaired, optimized, or if it needs to be replaced.

Insufficient heating

Insufficient heating

The system works, but the house remains cold, some rooms are uncomfortable, or the temperature drops too quickly.

More warmth

More warmth

Your heat pump, furnace, or central system is blowing cold air, no longer starts, or does not maintain the requested temperature.

Noise, odors, or short cycles

Noise, odors, or short cycles

A system that starts and stops frequently, makes noise, or gives off an unusual odor should be checked promptly.

Energy bill too high

Energy bill too high

A poorly maintained, improperly calibrated, aging, or unsuitable appliance may consume more energy than necessary.

Possible causes by symptom

Is your heat pump no longer heating?

Possible causes:

  • Incorrect operating mode
  • Sensor or thermostat
  • Frozen outdoor unit
  • Defrost cycle issue
  • Insufficient airflow
  • Dirty filter
  • Electronic control board issue
  • Indoor or outdoor fan
  • Refrigerant level
  • Compressor or outdoor component
Is your heat pump no longer heating?
07 · Repair or replace

Repair or replace your heating system?

The question everyone in Mercier–Hochelaga-Maisonneuve is asking!

  • Clear diagnosis before any decision
  • Repair when it’s cost-effective
  • Replace only if necessary
  • Price explained before work begins
Ask us directly!
SituationRepair often makes senseReplacement often makes sense
Recent deviceYesRarely
Part availableYesNot necessary
Repeated repairsSometimesYes
Low efficiencySometimesYes
Very noisy applianceSometimesYes
Faulty compressorTo be evaluatedOften
Old device with rare partsDifficultOften
Improper installationTo correctSometimes
08 · Maintenance

Heating maintenance in Mercier–Hochelaga-Maisonneuve: prevent breakdowns before winter

Heating maintenance helps identify problems before they become urgent. In Mercier–Hochelaga-Maisonneuve, waiting for the first cold snap to check your system can lead to delays, discomfort, and more costly repairs. AirGreen recommends having systems inspected before the cold season, especially when a unit is heating less effectively, using more energy, or making unusual noises.

Before winter

Your winter checklist in Mercier–Hochelaga-Maisonneuve

Check what you can do yourself. Pressures, defrost cycle and electrical parts are checked during our maintenance visit.

Book a maintenance
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09 · Why AirGreen

Why choose AirGreen for your heating service in Mercier–Hochelaga-Maisonneuve?

A team accustomed to Mercier–Hochelaga-Maisonneuve’s buildings

In Mercier–Hochelaga-Maisonneuve, a heating system cannot be chosen lightly. It must be reliable, properly sized, and capable of maintaining comfort during periods of intense cold. AirGreen offers solutions suited to Quebec’s climate, whether you need a wall-mounted heat pump, a central heat pump, an electric furnace, or a complete HVAC system.

Clear pricing before the work begins

Whether you need a diagnosis, repair, maintenance, replacement, or installation, AirGreen takes the time to explain the options before getting started. You’ll know what needs to be done, why it’s recommended, and which factors may affect the price. Our goal is to avoid unpleasant surprises and help you make an informed decision.

Experienced and certified refrigeration technicians

Our technicians work with various types of HVAC heating systems: wall-mounted heat pumps, central heat pumps, electric furnaces, multi-zone systems, ducted units, cassette units, and central systems. This experience enables them to diagnose problems more accurately, install equipment correctly, and optimize performance according to each property’s needs.

A true local presence

AirGreen is not just an online company or a simple phone number. We have a physical address with a showroom in Boucherville, where you can meet real people, ask your questions, see certain equipment, and discuss your project with our team. For your heating needs in Mercier–Hochelaga-Maisonneuve, you are dealing with an established, accessible, and very real company that understands the demands of Quebec winters and the realities of buildings in Mercier–Hochelaga-Maisonneuve.

RBQ, insurance, and structured service

AirGreen operates with a professional and organized approach: RBQ # 5645-9605-01, $5M in liability insurance, clear communication, diligent follow-up, and a documented process. For heating services in Mercier–Hochelaga-Maisonneuve, you are dealing with an established, structured, and responsible company.

Repair when it makes sense, replace when necessary

AirGreen does not automatically push for replacement. The right choice depends on several factors: the system’s age, repair cost, parts availability, current performance, energy consumption, and possible rebates. If a repair is cost-effective, we’ll explain that to you. If replacement becomes more logical in the long term, we’ll tell you clearly.

Tailored solutions, not copy-and-paste approaches

We do not recommend the same heating system for everyone. Each project is evaluated based on the building configuration, access, floor area, insulation, desired comfort level, budget, electrical capacity, existing ductwork, unit locations, and technical constraints. The goal is simple: to propose a heating solution that truly works for your space, your winter, and your circumstances—not a standard option applied to every building.

Frequently asked questions

Heating in Mercier–Hochelaga-Maisonneuve: your questions

Do you need a permit to install a heat pump in Mercier–Hochelaga-Maisonneuve?
No permit. The outdoor unit must be at least 1 m from the side and rear lot lines from the lot lines. We check the bylaw with you before the work.
Can a heat pump heat a Mercier–Hochelaga-Maisonneuve home in January?
Cold-climate models such as the FUJITSU AIRSTAGE XLTH keep heating in deep cold. We keep your baseboards or electric furnace as backup for the coldest periods.
Do you repair units you did not install?
Yes. Our published service calls in Mercier–Hochelaga-Maisonneuve include LG, Midea, Gree, Fujitsu et Sanyo.
Should I repair or replace my heating?
It depends on the unit’s age, the repair cost, parts availability and performance. We start with a clear diagnosis, then explain both options with the price.
Is there a subsidy for a heat pump?
Some units are eligible, notably for Hydro-Québec’s LogisVert program. We confirm eligibility for your home and the unit chosen.
How many jobs have you done in Mercier–Hochelaga-Maisonneuve?
We have published 84 jobs and service calls in Mercier–Hochelaga-Maisonneuve, each with real photos. You can browse them on this page.
Where is your nearest office?
Our Montréal office is at 4951 Sainte-Catherine Street East and our showroom is in Boucherville.
10 · Grants

Heating, heat pumps, and rebates in Mercier–Hochelaga-Maisonneuve

Changing a heating system can represent a significant investment, but certain projects may qualify for financial assistance programs depending on the type of equipment installed, its performance, capacity, the building’s configuration, and the rules in effect when the work is carried out.

In Mercier–Hochelaga-Maisonneuve, an efficient heat pump, a central heat pump, an electric furnace combined with a more efficient solution, or a conversion to a more modern heating system may sometimes help reduce the project’s total cost. AirGreen can help you check the available options before you choose your equipment.

Since programs change over time, we avoid making general promises. Our approach is simple: confirm eligibility based on your building, equipment, and actual project, then guide you toward a reliable, efficient heating solution suited to Quebec winters.

Hydro-Québec LogisVert: what we check with you

Eligible unitAn ENERGY STAR certified, cold-climate heat pump on the program’s list.
Licensed installerRBQ licence 5645-9605-01, written on your invoice.
Complete invoiceTaxes, cost of work and the unit’s certificate number.
Your claimFiled after the work, within the program’s deadline. We help you fill it.

Programs change over time: we confirm eligibility for your project before you choose your unit.

11 · Service area

Service area in Greater Montreal

With a Brand-New Showroom in Boucherville!

Montréal - Office

4951 Sainte-Catherine Street East, Montréal, QC H1V 2A1

Directions on Google Maps

Boucherville - South Shore (showroom)

1370 Joliot-Curie Street, Unit 712, Boucherville, QC J4B 7L9

Directions on Google Maps