Air Climatisation VS
“They took the time to review my options for both thermopump and AC units, I ultimately decided to go with the Goodman AC unit and it is working perfectly.”
Best HVAC Contractors in Lachine, QC
24 companies listed · 4 in Lachine · 8 open 24/7 · 13 open weekends · 15 rated 4.5+
Data verified October 17, 2026
Baulne
“For the excellence of its service and the competence of its team!”
Actif
“Family business and very professional that I recommend without any reservation.”
Plomberie Plumbco Inc.
Briggs TM Plomberie Chauffage Inc
“I have called on this company several times for emergencies and a washer moving project and I have always had very good service!”
DB Climatisation (Montreal)
“The DB air conditioning team came to install a wall unit at my home some time ago and I love it.”
The 24 companies listed for Lachine, QC handle furnaces and heat pumps in winter and the cooling side in summer. Profiles repeat what each firm publishes about hours, licensing and brands, with ratings and review quotes gathered from public reviews.
Area overview: Lachine, QC
4 of the 24 companies we list are based in Lachine; the other 20 serve Lachine from towns including Saint-Hubert, Laval and Dorval. The companies on this page are rated from 3.8 to 5.0 across 4,804 reviews; 20 have 50 or more reviews and 15 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (94%), punctuality (70%) and quality (69%). The topics that come up most in reviews of the companies on this page are "price", "efficient" and "cleanliness". 8 are open around the clock; 13 are open on Saturdays and 10 on Sundays. The services the companies on this page list most often on their websites are installation (3), chauffage (2), fournaise (2), maintenance (2) and thermopompe centrale (2). 14 show a licence on their websites. Domain records put 9 websites of the companies on this page at ten or more years old; the oldest dates from 2000. 10 offer emergency call-outs; 3 offer financing or payment plans; 7 give free estimates and 11 list coupons or special offers. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Do any heating firms listed for Lachine work on Saturdays or Sundays?
Saturday or Sunday hours show up for 13 of the 24 companies on this page. Saturday is mostly repair work; installations land on weekdays, because supply houses and municipal inspectors keep weekday hours.
Book onlineBook
Thermo Climaz
“I recently had a new HVAC system installed by Thermo Climaz and I am thrilled with the service they provided.”
Celsiuslab
“Knowledgeable staff who did the job right.”
Cirtech Cvac Inc.
“I called to get our wall mounted AC cleaned and they were able to send someone the very next day.”
AT Climatisation
“Good advice on the site and we obtained our quote in less than 24 hours and a fast and well explained delivery date according to the request.”
Groupeeconovert.inc
“Interestingly enough, he had the parts with them, so I didn't have to wait another week without air conditioning.”
Climatisation Chauffage St-Hubert
“Super professional service with Alex Mercier the owner who was able to answer my many questions, I recommend him”
Klimfax
“Very good service during installation, very professional!”
Services Ecolux Inc.
“Very professional from start to finish, installed a four unit heating A/C system in less than a day.”
S. Air Fortier
“Sylvain Doyon the technician took care of my problem and carried out the repair professionally.”
Entreprises MST
“Thank you very much would definitely recommend these guys I would definitely recommend this team 👍”
Groupe Rousso
“Very satisfied with the seller Mathieu Lemoine.”
Angel Climatisation Inc.
“I tried several other companies and the only quick response was from Angel Climatisation.”
Climatisation & Chauffage
“The technicians are punctual, courteous and very helpful!”
Aeroseal Global à Montréal/Québec
“I find that the vents now blow more air out and feel confident that this service will pay itself off in electricity savings.”
Electrika Inc.
“Excellent and courteous, always listening to your needs and offering alternatives”
Click-Air Inc.
“They were easy to get a hold of and put forth a plan to get my installation done quickly.”
Climatisation Fortier et Frères Ltée
“Recommended both required and optional repairs, gave good advice on future options.”
Les Entreprises Lavallière
“We needed to replace our heating system urgently and we were taken care of quickly.”
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
