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CMMTQ Certified — Free quote

Air Conditioning Installation Quebec — CMMTQ Certified

Stay cool this summer with an AC system installed by CMMTQ-certified technicians. Wall-mounted, central, maintenance and repair.

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JB
Verified by
Jean-Francois Beaulieu
RBQ Certified Master Plumber
✓ RBQ Licence✓ Master Plumber✓ 18 years exp.
Updated
July 1, 2026

Quebec summers can be very hot and humid, making air conditioning essential for comfort. Our CMMTQ-certified technicians install and repair all types of cooling systems: wall-mounted (mini-split) units, central ducted systems, and heat pumps that combine cooling and heating. We advise on proper sizing and the most efficient models for your home and budget.

Indicative prices

These ranges are indicative. Only a professional who sees your situation can give an accurate price.

Service typeLowHigh
Wall-mounted AC 9,000 BTU$1,500$3,000
Wall-mounted AC 12,000 BTU$2,000$3,500
Central air conditioning (full system)$5,000$12,000
AC repair (réfrigérant leak)$200$600
Annual AC maintenance$120$250
What affects the price
Type of serviceTime and dayAccess and complexityParts requiredQuebec region
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Service areas

Our network covers 137 cities and municipalities in Quebec.

MontrealLavalLongueuilQuebecGatineauSherbrookeTrois RivieresLevisSaguenayBrossard

Satisfied homeowners

★★★★★

“Rappele en moins de 20 minutes. Le plombier était chez moi en une heure. La fuite était réparée avant que les dégâts ne s'aggravent.”

M.L.
Marc Lapointe
Laval · Plomberie urgence
★★★★★

“Service impeccable du début à la fin. 3 soumissions reçues, meilleur prix choisi. Professionnel certifié RBQ, travail soigne.”

S.B.
Sophie Bergeron
Montreal · Remplacement chauffe-eau
★★★★★

“Installation de ma thermopompe en une journée. Le technicien était ponctuel et propre. Je recommande sans hesiter.”

R.T.
Robert Tremblay
Longueuil · Thermopompe murale

Frequently asked questions

What is the difference between an air conditioner and a heat pump?+

An air conditioner only cools. A heat pump cools in summer and heats in winter, making it a versatile two-in-one system. For Quebec with its cold winters, a heat pump is often a better investment.

Which air conditioner should I choose for my home?+

A wall-mounted (mini-split) AC is ideal for homes without ductwork: quieter, more efficient, and easier to install. Central systems suit homes with existing ducts. BTU size depends on the area to be cooled.

Why is my air conditioner not cooling effectively?+

Common causes include a clogged filter, low refrigerant, dirty coils, or a failing compressor. Annual maintenance prevents most issues. For breakdowns, call a CMMTQ-certified technician.

How many BTUs do I need for my room?+

General guideline: 5,000-6,000 BTU for 150-300 sq ft, 9,000-12,000 BTU for 350-500 sq ft, 18,000 BTU for 700-1,000 sq ft. These figures vary with sun exposure, insulation, and number of occupants.

When should I replace my air conditioner?+

Central AC units last 15-20 years, wall-mounted units 10-15 years. If the unit is over 10 years old and needs major repairs, replacement is often more cost-effective. Modern units are significantly more energy-efficient.

Are there rebates for AC installation in Quebec?+

Standard air conditioners alone are generally not subsidized. However, if you opt for a heat pump (which includes cooling), you may qualify for Hydro-Quebec and Renoclimat programs offering up to $5,000 in rebates.

Other services:Drain cleaning·Water heater·Heat pump·Air conditioning

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