Windows & Doors Installation & Service in Thornhill, 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.
| Verified
Best of the Best 2024
"Owner and staff were great; knowledgeable, fast service, did the job in a day and I would recommend them to family..."
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"This team they installed my windows in one day fast clean, organize I never seen him in my life. I have experience..."
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| Verified
Best of 2024
"Gihan's response to my call was quick and got the quotation right away. He reached out to me after our two week..."
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Best of the Best 2023
"Called up George and his company as it was highly recommended. Walked me through the entire process. Had them replace..."
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Best of the Best 2024
"The new window and patio door with black grills look great and match our home perfectly. The installation was done..."
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"This is our second time hiring Alex and Heritage Home Design to replace the second half of our windows and the front..."
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| Verified
Best of the Best 2024
"Amazing service and grea products. We would recommend Windows and Doors Ontario for anyone looking to replace their..."
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"From our quick quote to installation weeks earlier than expected, we were thrilled with the service, quality of..."
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| Verified
Best of 2024
"They were so good They were on time and were very clean They truly exceeded my expectations "
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Best of 2021
"We had such a great experience working with Roland at Olympia Windows & Doors to have our replacements completed. I..."
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| Verified
Best of the Best 2024
"I had a problem with flooding from my old patio door. I was concerned that the new door would leak. I received a..."
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"After reviewing several companies, we decided to choose Dundas Specialty Windows and Doors for all of our Windows. ..."
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"When I contacted Chris a few weeks ago regarding a repair for the storm door at my parents house it was because I..."
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