Our Window And Door Suppliers

Don’t settle for inferior big box store quality when REAL quality products are available for less than you think!

Douglas Window & Door Inc. is committed to providing the very best in product and service to our customers. Our suppliers have been selected through years of hands on experience. We do not accept anyone as a window and door supplier for our customers. In fact, of all the window and door manufacturers only a very few are good enough to meet our requirements.

The window and door suppliers listed here were chosen for a variety of reasons but one common thread weaves through all of them. They reflect our goal of providing the very best product we can at the best possible price.

Contact us today for a free no obligation quote and let us show you the difference real quality makes.


Strassburger Windows And Doors

Strassburger Windows London Ontario
Locally owned and operated and known throughout North America, Strassburger Windows And Doors has provided products of unmatched quality and craftsmanship since 1949. Stop buying your windows and doors from the big box stores and see the difference true quality makes.  Not content with building products that match “industry standards” or even meet the stringent ENERGY STAR® compliant requirements. Strassburger Windows And Doors builds products that far exceed the “industry standards” of the big box stores and many of the Strassburger window products meet or exceed the ENERGY STAR® Most Efficient 2014 requirements. Douglas Window & Door Inc. is proud to be a Strassburger dealer. Let us show you how inexpensive real quality can be.

Pella Windows and Doors

Pella Windows & Doors London Ontario

For 85 years Pella has been at the forefront of window and door innovations. With more than 100 product and design patents Pella strives to provide the best owner experience possible. Exceptional products and service are the cornerstones of the Pella brand. Pella offers some of the best energy efficient products in the world and was awarded the ENERGY STAR® Partner of the Year in 2014 and in 7 other years.


Martin Windows and Doors

martin doors london ontario
Since 1964 Martin Windows and Doors has provided some of the best wood doors available on the market. Their commitment to construction and build quality is evident in their product and backed by one of the best warranties in the industry. Not content with “industry standards”, Martin wood doors exceed Canadian Standard CAN/CSA-A-440 requirements.

Novatech Group

novatech london ontario

The Novatech Group is a global leader in doors and door glass, elevating your home’s entrance into working art. A dedication to providing the customer with products that exceed expectations has made them the company they are today. Novatech offers a wide range of products that are easily customizable so your door fits your home design perfectly.

Mirage Retractable Screen Systems

Mirage retractable screen systems london ontario
Bring the outside in with Mirage Retractable Screen Systems. Flexible enough to fit any requirements you have from patio doors to fully enclosed pool areas and gazebos. A retractable screen is there to protect you from unwanted pests when you need it, and disappears when you don’t! Manual and powered retractable screen systems available for any design and budget.


shadeomatic London Ontario
A national industry leading blind and shutter company Shade-O-Matic strives to provide exceptional products that are functional and beautiful. Holding numerous patents for their revolutionary blind and shutter systems Shade-O-Matic continues to advance the boundary of “what is possible” for your home. With limited lifetime warranty not only will your blind or shutter system look beautiful it will perform flawlessly for years to come!






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