Windows & Doors Installation & Service in Cedar Valley, Ontario
Windows and doors that are not installed properly may lead to uneven heat distribution and pest infestation at home. Hire a professional to help install them the right way and ease your worries.
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Best of the Best 2024
"Our ensuite was completely renovated from the ground up. Nikolai, a real craftsman, was on the job daily from start..."
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Best of the Best 2024
"I had 6 windows, patio door & aluminum capping done in Aug. The work was done on time. Very pleased with the..."
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Best of the Best 2024
"The work was very well done and in a professional matter. I am extremely satisfied with the way it turned out. The..."
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| Verified
Best of 2024
"I'm writing this review because they were so important to us when trying to find a company to replace all of our..."
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"Very professional crew! Always on time! Great communication and very satisfied with end product. Would highly..."
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"My window crank needed a replacement. The specialist came to take a look, did an estimate and fixed it a couple of..."
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"Got problems with a window frame in an old double-hung window. The lower frame was not sliding properly and were not..."
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"I recently had all my windows replaced by this company, and Im beyond satisfied! The installation was quick and..."
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"We were fully satisfied with Brian's work. I would highlights three points from our experience with Brian and his..."
see more >"I was connected with George at Thermoline Windows when I was replacing some windows in my newly purchased house. ..."
see more >"What truly stood out to me was the personalized service I received. Instead of simply offering a catalog of door..."
see more >"We had our garage paved resulting in our garage door being 7 inches too large .Our door was redwood door which we..."
see more >"The windows looks great! Love the idea of new illuminum on the outside to make the windows look fresh and new...."
see more >"Thanks Glenn and Lucy! What a pleasure working with such a service oriented company! From the initial contact with..."
see more >"Whatever Optima sells -- buy it! Very very impressed with staff and cx service. Very high caliber. Everything they..."
see more >"Rick Starr visited my home to quote on 2 new basement windows and I ended up replacing a screen door also. Rick was..."
see more >"I needed new windows for my house as it is around 15 years old. I was recommended to speak with Marcello at Demar as..."
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