Windows & Doors Installation & Service in Alliston, Ontario

"From proposal to completion, the project manager, designer, and contractor, have all delivered and performed as..."

"I recently had my old windows replaced by Comfortec, and I couldn't be happier with the result! That was my second..."

"Kept me informed and completed work on time as promised. Excellent service. Would recommend. Having them install a..."

"If you are looking for someone to do windows and doors; look no further. I have dealt with Fortress for years and..."

"Jeff and coworkers installed 11 new windows and two doors. Their work ran smoothly, with no surprises and no..."

"I had a leaky sliding door and we could not find where the water would come in from. Handy man came over and he was..."

"Max and David did a fantastic job on the removal of the old door and the install of the new one. They were both very..."

"Owner and staff were great; knowledgeable, fast service, did the job in a day and I would recommend them to family..."

"Iliya is very patient, courteous and professional and Slava is very cooperative, courteous and also professional...."