Free on-site estimateOpen now, until 6 p.m.
Installation, maintenance and repair · Updated October 14, 2026

Residential air conditioning service in Montréal, Laval, Longueuil, South Shore and North Shore

Wall-mounted, multi-zone or central heat pump, wall-mounted air conditioner, central air conditioner or PTAC: draw your home and see the right system, its size, the cost of a summer and the subsidy before we even visit.

Modern living room cooled by a wall-mounted heat pump installed above the sofa
A wall-mounted heat pump cools in summer and heats in winter, with no ducts.
$1,236indicative LogisVert subsidy for a 12,000 BTU GREE EXTRÊME wall-mounted heat pump
$0for an air conditioner that only cools: LogisVert is for heat pumps
11.142¢per kWh on rate D above 40 kWh a day, since April 1, 2026
1,674wall-mounted, multi-zone and central heat pumps in our catalogue
Quote within 24 hthen a final offer before any work
2 locationsMontréal and our showroom in Boucherville
RBQ 5645-9605-0115.8 · 15.10 · 16
01 · Your home

Which air conditioning system is right for your home?

Three answers about your home, then tap the rooms you want cooled. The recommendation follows every click; our refrigeration technician confirms it at your home, free of charge.

Bungalow · tap the rooms
2 rooms of 7
01 Type of home
02 Existing air ducts
03 And in winter?
Ground floor
Basement
Outdoor unit
Teal dotted line: your existing ducts.
02 · How it works

An air conditioner moves heat out. A heat pump can also bring it in.

Switch seasons: the same unit moves heat one way, then the other.

Inside the house · cool
Indoor unit
↓ cool airThe indoor unit blows cool air
Outside · it’s hot
↑ heat releasedThe outdoor unit releases the heat
Refrigerant lines (copper):heat goes out →
1The indoor unit picks up the room’s heat.
2The refrigerant carries it outside through the copper lines.
3The outdoor unit releases it into the open air.
03 · The systems

Air conditioning solutions tailored to every home

Six systems, each with its place. Filter for your home, or switch to the table to compare everything at a glance.

Wall-mounted heat pump

Heat pump
One room or an open area

One unit on the wall, one outside and two copper lines between them: no ducts. Each zone keeps its own temperature, and the discreet installation suits renovations and extensions alike.

CoolsYes
HeatsYes
DuctsNone
LogisVertPossible
771 wall-mounted heat pumps →

Multi-zone heat pump

Heat pump
Several rooms, no ducts

One outdoor unit feeds several indoor units. Each room sets its own temperature: comfort for everyone, with a single machine outside.

CoolsYes
HeatsYes
DuctsNone
LogisVertPossible
552 multi-zone systems →

Central heat pump

Heat pump
The whole house, through the ducts

Connected to your ducts, it sends cool air to every room for an even temperature, and heats in winter through the same network.

CoolsYes
HeatsYes
DuctsRequired
LogisVertPossible
351 central heat pumps →

Wall-mounted air conditioner

Air conditioner
Cooling one room, summer only

A simple option to cool one specific room, easy to maintain. It only cools, so it is not eligible for LogisVert.

CoolsYes
HeatsNo
DuctsNone
LogisVertNo
21 wall-mounted air conditioners →

Central air conditioner

Air conditioner
The whole house, summer only

It cools the whole house through the ducts, and the air goes through the system’s filter, which helps indoor air quality. Worth knowing: a central heat pump installs in the same spot and heats too.

CoolsYes
HeatsNo
DuctsRequired
LogisVertNo
Request a quote →

PTAC unit

All-in-one
Apartment, bedroom, basement

A self-contained unit installed through the wall, with no ducts and no separate outdoor unit. Ideal for a single space: apartment, office or bedroom.

CoolsYes
HeatsDepends on model
DuctsNone
LogisVertNo
100 PTAC units →
Ceiling, attic or floor? Indoor units also come as cassettes, ducted units and floor consoles: 524 in our catalogue. Buying guides: wall-mounted heat pump, central heat pump, wall-mounted air conditioner.
04 · Sizing

How many BTU do you need to cool your home?

Too small, it strains. Too big, it short-cycles. Slide the floor area: the dotted line shows what you need, the dark bar the standard size that covers it.

2 tons
Need: 23,400 BTU
9k12k15k18k24k30k36k42k48k60k
Starting point 24,000 BTU 2 tons · central or multi-zone heat pump 1,300 sq ft × 18,000 BTU ÷ 1,000 sq ft = 23,400 BTU, rounded up to the next standard size. The technician adjusts on site for the layout and ceiling height.
05 · The cost of a summer

Air conditioner or heat pump: the summer bill, unit by unit

Two real 12,000 BTU wall units from our catalogue against yours. Set your summer; every number updates.

About 4 h a day over 100 days.
On the nameplate or the EnerGuide label.
Electricity price used
Your current unit · SEER 10$53.48 · 480 kWh
Based on the SEER entered.
HAXXAIR 12,000 BTU wall-mounted air conditioner · SEER 16.9$31.65 · 284 kWh
Cooling only · airgreen.ca product sheet
GREE EXTRÊME 12,000 BTU heat pump · SEER 24$22.28 · 200 kWh
Cools, and heats down to −30 °C · airgreen.ca product sheet
Savings per summer with the heat pump$31.20
Over 10 summers, at today’s rate$311.98
And on top of thatit heats in winter, down to −30 °C
Math: 12,000 BTU/h × 400 h ÷ (SEER × 1,000) = kWh, × 11.142¢ per kWh (rate D, April 1, 2026). Indicative: real use depends on the home and the weather.
Efficiency (SEER)16,924
Summer electricity$31.65$22.28
LogisVert subsidy$0, not eligible$1,236, indicative
Winter heatingNoYes, down to −30 °C
Wi-FiOptionalIncluded
RefrigerantR-410AR-410A
The heat pump wins 5 criteria out of 6 and costs $9.36 less to run this summer.
06 · LogisVert subsidy

Calculate the subsidy, then your deadline

Hydro-Québec’s formula: certified capacity at −8 °C ÷ 1,000 × the certification rate. Try any unit.

Type of unit
Certification
Real example:
Outdoor unit, cooling capacity
Indicative amount $1,236
Capacity at −8 °C10,300 BTU/h
Rate$120 / 1,000 BTU/h
10,300 ÷ 1,000 × $120$1,236
Send the LogisVert application by July 14, 2027
273 days left to apply
$50per 1,000 BTU/h at −8 °C, ENERGY STAR heat pump
$120per 1,000 BTU/h at −8 °C, ENERGY STAR cold climate
12,000 BTU/hminimum cooling capacity of the outdoor unit
9 monthsto apply after installation
LogisVert guide version 1.10, September 15, 2026. Only Hydro-Québec confirms the subsidy. All the details: our LogisVert page · multi-unit bonus · all subsidies · financing.
07 · Your project

Six steps, from the visit to the subsidy application

On-site estimate

Free. The technician measures the rooms, looks at where the outdoor unit and the lines will go, then confirms the system and the size.

Get ready for the visit0 of 5 ready
08 · Our services

Installation and maintenance of residential air conditioning systems in Greater Montréal

AirGreen installs, maintains and repairs residential air conditioning systems in Montréal, Laval, Longueuil and on the North and South Shores: ductless wall-mounted heat pumps, wall-mounted air conditioners, central heat pumps, central air conditioners, PTAC units and multi-zone heat pumps. The goal stays the same: your comfort, with the best possible energy efficiency.

Why choose AirGreen for your air conditioning

Outdoor air conditioning unit surrounded by a flowering vertical garden
Wall-mounted heat pump with a green leaf, a symbol of energy efficiency
$5Min liability insurance, from start to finish
09 · Service area

Service area in Greater Montréal

Two locations, including our brand-new showroom in Boucherville. Pick your region: office, phone and municipal rules appear.

AirGreen service area map: Montréal, Laval, Longueuil, South Shore and North Shore, with the Montréal office and the Boucherville showroomYellow zone: our territory · See the full map →
Montréal – LavalMontréal office4951 Sainte-Catherine Street East, Montréal, QC H1V 2A1514 316-2973Open now, until 6 p.m. · Mon to Thu 8 a.m. – 6 p.m., Fri 8 a.m. – 4 p.m.
Montréal – Laval4951 Sainte-Catherine Street East, Montréal, QC H1V 2A1514 316-2973
South Shore · brand-new showroom1370 Joliot-Curie Street, Suite 712, Boucherville, QC J4B 7L9514 316-3007
10 · Good to know

The numbers and the traps to know before you sign

11 · FAQ

Frequently asked questions about residential air conditioning

14 questions

Both cool the house in summer. A heat pump reverses its cycle in winter and heats too; an air conditioner only cools. Hydro-Québec’s LogisVert covers heat pumps, not air conditioners.

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

Stay cool all summer, and spend less doing it.

Wall-mounted heat pump, wall-mounted air conditioner, central heat pump, central air conditioner, PTAC or multi-zone: the technician confirms the system, the size and the location at your home. Free estimate, quote within 24 h, final offer before any work.

Free on-site estimateWe measure and plan where the unit goes
Final offer before any workNo surprises at the end
RBQ 5645-9605-01Subclasses 15.8, 15.10 and 16
$5M insuranceLiability
Sources checked October 14, 2026. Hydro-Québec, LogisVert participation guide, residential, version 1.10 of September 15, 2026 · Hydro-Québec, electricity rates in effect April 1, 2026 (rate D: 7.065¢/kWh up to 40 kWh a day, 11.142¢/kWh above) · airgreen.ca product sheets: GREE EXTRÊME 12,000 BTU (AHRI 9944776) and HAXXAIR 12,000 BTU (HVC-12B2D) · airgreen.ca catalogue as of October 14, 2026. Amounts shown are estimates; only the responsible organizations confirm the subsidy granted.

Popular Questions about Our Air Conditioning Services everywhere in Greater Montreal