Customer Testimonial from Ontario, CA

"Dear Kristi & Joe, I wanted to say thank you very much for the windows & Sliding doors that your company sold to me earlier this year. I have loved coming home these past few weeks to a cooler house. As well as being able to sit in my living room earlier this year and not needing to put on a sweater or turn on the heat because it was as cold inside as it was out. I will continue to refer your company to anyone that I know that needs new windows and doors."

- Shannon B. of Ontario, CA
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our service area

We serve the following areas

Our Locations:

Design Windows and Doors Inc.
504 S Mountain Ave
Ontario, CA 91762