Window Replacement & Door Installation
Outstanding Craftsmenship for St. Catharines
Quality Product & Even Better Warranty
As a Gentek Premier Renovator you get access to the best products backed by a rock solid manufacturer’s warranty.
Expert Installation
Our master tradesmen don’t cut any corners and the pride in their work shows in every detail.
You’ll Save Money
Our competitive pricing and energy efficient products means save you money now and in the years to come.
Tested and True
After 70+ years we know this business inside and out. We’ve built trust and longevity through dedication and honesty.
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We are in love with our new sunroom. We've had it for a year now, and the addition to our home has been an amazing living space (and storage space when it needs to be!) Frank and the entire team at DuoTemp have went above and beyond to provide outstanding customer service during the initial construction, and even to this day. I would absolutely recommend DuoTemp to anyone who is interested in their services.
Jeff Unger
I would like to personally congratulate DuoTemp’s office staff and trades people for the outstanding courtesy and service they have provided us. This type of courtesy and service is a rarity, we certainly would not hesitate to recommend DuoTemp based on this experience.
Jack & Millie Androney
Our thanks for a job well done. I looks great & we’re very happy with it. Please give your two installers a “pat on the back”. They did very neat work, were very polite and cleaned up the jobsite quite satisfactorily. Thanks again!
Gary
I would like to take the opportunity to thank the management and staff of Duo-Temp for their prompt and efficient handling of the problem I had with the capping on my porch. I do appreciate the expedient manner in which the matter was taken care of, and the high standards of workmanship.
Bruce FyfeThorold
Hey Andrew. We had Frank and Tony deliver and set up the awning today. They were very courteous and friendly to talk to. They were very professional in their work manship. My wife and I are very pleased with the results and will make sure people know who we bought it from. Thanks again for awesome job.
Jeff and Sandra
Job well done. Thank you to Frank and side kick who did a beautiful job. Clean job site and friendly and polite. Thank you.
Sue
Love, love the new windows, I can't believe what a difference! I can finally see through my kitchen window!!!! Looking forward to changing the rest of them in the new year. Thank you
Sandra Caggiano
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