Isothermic Doors and Windows in Montreal

Find a door and window dealer in the Greater Montreal Area

Whether you live on the South Shore of Montreal (Sainte-Julie, SaintLambert, La Prairie, Beloeil, Saint-Basile, Saint-Bruno, Brossard, Candiac, Saint-Hyacinthe, Montreal) or on the North Shore, we have an Isothermic store or authorized dealer near you.

Our lead times are short, and our certified installer teams are available to support your project.

Our Montreal-area locations and authorized dealers 

• Isothermic Sainte-Julie
• Isothermic Saint-Lambert
• Isothermic La Prairie
• Cardinal Doors and Windows
• CR640 St-Eustache
• Hydro Aluminium Montréal
• Les Gestions Heureka, St-Jean-sur-Richelieu
• West Island Doors and Windows, Kirkland
• Lacombe Doors and Windows, L’Assomption
• Porto Doors and Windows, Montreal
• Vitrerie L. Ménard et fils Saint-Hyacinthe

“We had been postponing the replacement of some of our doors and windows for a long time, but we decided to move forward this year to reduce our electricity bills. Very happy we chose Isothermic.”

— Marie-Hélène, mother of two

How to request a free quote for your doors and windows 

• By filling out the online quote request form on our website
• By requesting a free consultation, online or in person
• By calling your local door and window dealer for advice and pricing for your renovation or new construction project
• By visiting your authorized dealer to see our full product selection in the showroom

Why Choose Isothermic Doors and Windows? 

1. Superior-quality products recommended by CAA Québec and ENERGY STAR® certified
2. Products and services ranked among the top performers by Protégez-vous magazine
3. Over 40 years of expertise
4. SAV+ after-sales customer service
5. A culture of excellence and superior quality, in both products and service
6. A year-round fair pricing policy (no need to wait for annual promotions)
7. AAMA-certified PVC extrusions
8. A certified installer service
9. More than 70% of our workforce with over 10 years of experience in fenestration (very low turnover)
10. Ongoing multi-program training for all employees

For full contact details of Isothermic door and window dealers in the
Montreal area, click here.
Looking for inspiration? Take a look at some of our recent projects.
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