Your experts in residential air-conditionning and heating system

AIR-CONDITIONNING• HEATING• RESIDENTIAL• HEAT PUMP• MINI-SPLIT • AIR TREATEMENT

Our expertise

At your service since 1995

We are proud to offer comfort solutions that combine design, performance, and innovation to turn your spaces into comfortable and energy-efficient environments.

We are committed to staying at the forefront of heating and air conditioning technology, so that choosing a system is no longer an obligation, but a conscious and informed decision.

We are determined to exceed the expectations of our customers and partners to help create a world where responsible energy use benefits everyone.

The largest selection of renowned brands!

High-performance, cost-effective, and reliable solutions for every budget!

... air conditionning, heat pump, mini-split, furnace, air exchanger, dehumidifier, filter and more...

Installation

If your air conditioning or heating system is malfunctioning, or if you’re simply looking to upgrade or optimize your system, you’ve come to the right place.

Honest and relevant advice
Quality products tailored to your needs
Professional installation

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Repair

If your unit requires maintenance, let our repair experts take over. No matter whether the issue is related to your furnace, central heat pump, or any other system.

Outstanding value for money
Efficient service with a clear diagnosis
Fast and reliable repairs

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More about us

Our first step

After more than 10 years of experience in the heating and air conditioning industry, Pierre Morneau founded his own company Services Énergétiques Morneau in 1995.

He initially offered personalized residential HVAC services in the city of Boucherville.

Consolidation

In 2010, a second generation of entrepreneurs joined forces with the family business. Pierre Morneau and his son, Jean-François Morneau, incorporated the company under the name AIR SEM.