Quality Windows, Doors, & Siding at a Discount Price
Founded in Denver, Colorado in 1984, Discount Windows & Siding, INC (DWS) is now the largest stocking window retail location in the Rocky Mountain Region with thousands of windows in inventory and over 100,000 satisfied customers. What we do not stock we can custom order factory direct at discount prices from one of our many quality manufacturers. We are also a full service window replacement company offering expert installation by our professional craftsmen.

Our low prices do not come at the expense of quality or service. We represent some of the most innovative and highly regarded window, door, and siding manufacturers in the business. DWS is a twenty-five year accredited business with the Denver/Boulder BBB and we have an A+ rating with them.

Business Hours:

Tuesday & Wednesday 9:00 AM – 5:00 PM
Thursday 9:00 AM – 5:30 PM
Friday & Saturday 9:00 AM – 4:00 PM
Sunday & Monday Closed