about us

The De Marco Difference; A legacy that dates back to 1974. A successful name within the industry. We continue to grow with our experience and accomplishments.

For over 30 years our dedication to excellence, high quality products and great customer service, has remained the same. A proudly Canadian owned and operated company. King & Co. Inc. is a leading dealer and installer of superior vinyl windows and steel and fibreglass doors.

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Frequently asked questions

Here are some of the most commonly asked questions about windows, doors, warranties, service, installation, maintenance, and more.

Are you buying CSA certified windows to ensure the quality of products matches the tested samples?


Yes




Is that window made with IGMAC certified sealed units to ensure a long life?


Yes




Are you seeing the warranty in writing before you buy?


Yes




Are they using ‘Window Wise’ trained and certified installers?


Yes




Are the installers covered with WSIB so that the home owner can not be sued if any injuries occur during the window and door installation?


Yes




Does the company have history in the business to ensure good results?


Yes




Can the company give you a list of referrals in your area?


Yes




Are you getting superior R values in the glass and most importantly windows?


Yes




Are you getting the best glass option to block overheating with the summer sun?


Yes




Are you getting special glass to block UV light which causes floor and furniture fading?


Yes




Are you getting Truth crank operators made in the U.S. as opposed to imitations made in China?


Yes




For brick-to-brick full frame window replacement, are you getting vinyl brickmould to match the window with less exposed caulking as opposed to aluminum capping over wood?


Yes