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Tecumseh, ON's Leading Replacement Window and Door Company

If you're looking for replacement windows or doors in Tecumseh and the surrounding areas, Sentry Windows and Doors has the solution you need! We provide a wide variety of window and door selections that are designed to properly insulate your home and contribute to the overall aesthetic appeal of your home. Our professionals are prepared to work with you every step of the way to leave you at ease and are ready to find the right solution for your home. 

Energy-Efficient Replacement Windows

At Sentry Windows and Doors, our line of windows are ready to provide premium insulation while keeping your house energy efficient. Every single product we use comes directly from the industry's best manufacturers and stand ready to make an immediate impact. Whether your windows are drafty, outdated, or lack appeal, our professionals are equipped with the solution that can solve any of your needs. If you're thinking about replacing your windows, consider these benefits that a new installation can bring: 

  • Fewer drafts
  • Less maintenance
  • Reduced noise
  • Energy savings
  • Added security
  • Enhanced curb appeal
  • And More! 

To learn more about vinly window installation cost or replacement window cost in Tecumseh, ON, contact Sentry Windows and Doors today for a FREE estimate!

Replacement Doors That Are Right For Any Home

If you're interested in further improving the security of your home or boosting the aesthetic appeal of your exterior, Sentry Windows and Doors's professionals are ready to assist when it comes to your entry or patio doors. Sentry Windows and Doors installs new exterior doors that are designed to match your needs and provide years of trouble-free operation.  Our goal is to find the selection that perfectly fits your needs and provide you the reassurance you've always desired from your local contractor. We have a wide variety of doors to choose from, including:

To learn more about door installation cost in Tecumseh, ON, contact Sentry Windows and Doors today for a FREE estimate!

Work Requests From Tecumseh, ON
St Pierre in Tecumseh
Interested in participating in the Green on rebates for Windows
Fairway Cr in Tecumseh
I have older windows and there is significant condensation building up on the main, large windows in the living room, bedroom and kitchen.
Rideau Place in Tecumseh
4 up to 13 possible window replacements
Lesperance in Tecumseh
Gordon in Tecumseh
We have a dormer window that needs replacing. The glass is not broken but the frame is and it is not sitting in the window properly. It is 35 x 40 inches, with gold inlay, cream coloured not white. It needs to match the rest of the house.
Orchard Dr. in Tecumseh
I'm looking to replace 4 large crank style windows, a sliding patio door, a basic garage back entry door, and 2 very small basement windows. All of these windows are currently wood framed. 2 Storey home.
Chambers Dr in Tecumseh
We are looking for a replacement patio or garden door.
Appletree Crescent in Tecumseh
Issues with my front Bay Window.
Papineau in Tecumseh
Two large bay windows
Dillon Drive in Tecumseh
We are hoping to add a door or 2 and a new slider.
Dillon Drive in Tecumseh
I would like a free estimate for my mother's windows.
Revland Dr in Tecumseh
Looking for a quote/estimate for new front of house window and possibly new front door with 2 sidelights
Shady Spring in Tecumseh
Have a broken glass window. Needs to be replaced
Kenney Crt. in Tecumseh
Need a quote on a replacement front entry door with sidelites please.
Primrose Place in Tecumseh
Looking for an estimate for French patio doors
James Cres. in Tecumseh
-Quote for steel front door replacement & side light -Quote for steel door to garage
Juniper Court in Tecumseh
Quote for a new front door and garage door
David Crescent in Tecumseh
Looking to replace a front door & possibly 2 windows.
Lesperance Road in Tecumseh
I'm thinking of replacing all my windows, my patio door and my front entrance door. I'm also interested in having a pet door.
Amanda Court in Tecumseh
Need three exterior doors
Serving the following Tecumseh, ON postal codes
N8N 0A9, N8N 0B1, N8N 0B7, N8N 0B8, N8N 0C1, N8N 0C2, N8N 1N2, N8N 1N3, N8N 1N4, N8N 1R8, N8N 1R9, N8N 1S1, N8N 1S2, N8N 1S3, N8N 1S4, N8N 1S5, N8N 1S6, N8N 1S7, N8N 1S8, N8N 1S9, N8N 1Y8, N8N 1Y9, N8N 1Z1, N8N 1Z2, N8N 1Z3, N8N 1Z4, N8N 1Z5, N8N 1Z6, N8N 1Z7, N8N 1Z8, N8N 2L9, N8N 2M1, N8N 2N2, N8N 2P9, N8N 2R1, N8N 2R2, N8N 2R3, N8N 2R4, N8N 2R5, N8N 2W6, N8N 2W7, N8N 2W8, N8N 2W9, N8N 2X2, N8N 2X3, N8N 2X4, N8N 3A5, N8N 3G8, N8N 3G9, N8N 3S5, N8N 3S6, N8N 4E8, N8N 4E9, N8N 4G1, N8N 4G2, N8N 4G3, N8N 4G4, N8N 4G5, N8N 4G6, N8N 4G7, N8N 4G8, N8N 4J9, N8N 4K4, N8N 4K5, N8N 4K6, N8N 4K7, N8N 4K8, N8N 4K9, N8N 4L1, N8N 4L2, N8N 4L3, N8N 4L4, N8N 4L5, N8N 4P5, N8N 4P6, N8N 4S2, N8N 4S3, N8N 4T1, N8N 4T2, N8N 4X9, N8N 4Z8, N8N 5A5, N8N 5A7, N8N 5A9, N8N 5B1, N8N 5B2, N8N 5B3, N8N 5B4, N8N 5B5, N8N 5E1, N8N 5G8, N8P 0A9, N8P 1H5, N9K 0A4, N9K 0A5, N9K 0A6, N9K 1B5, N9K 1G5