Window Products & Offerings

Discount Windows & Siding, INC (DWS) approach is to purchase windows, doors, and siding factory direct from only high-quality manufacturers. Our manufacturers use the best materials and components to produce energy efficient, innovative, and high performance home improvement products. They back their products with some of the strongest warranties in the marketplace protecting your investment for the long term. We offer complete product lines with options for every budget from new construction to high end triple pane windows and patio doors.


We offer a full selection of vinyl, wood, clad and aluminum windows from manufacturers such as:

In terms of window styles, we offer:

  • single and double slider windows
  • single and double hung windows
  • awning windows
  • casement
  • and picture windows.

Many of the window lines offer premium features such as swing and clean or tilt in sashes for easy cleaning. In addition we offer wood grain laminates. What we don’t have in stock we will custom order to your specifications.

Call today to find out if we have your window in stock. 303-295-7283


Specialty Windows

Bay & Bow Windows: We custom build our own bay and bow windows to your dimensions. We start with either an oak or birch wood case with the option of insulated wood. We then install Energy Star rated windows and offer you the choice of hung windows, casement windows or picture windows.

Garden Windows: We offer multiple varieties of garden windows for the plant lovers out there.

Hylite BlockWindows: We offer the complete line of Hylite acrylic block windows.

Egress Windows: We stock a variety of window styles an options that meet bedroom egress requirements including those for basement egress.


Patio Doors

Each of our window manufacturers offers patio doors that correspond to their window lines. We stock five foot, six foot, eight foot, and nine foot wide patio doors. We can also order custom sized patio doors.

Upgrade Your Windows

French Doors /Double Doors

We carry the full line of Thermatru French and double doors milled from either fiberglass or steel. All are foam filled to achieve maximum energy efficiency.

new windows

Entry Doors

We carry the full line of Thermatru fiberglass and steel entry doors from the number one manufacturer in the country. All are foam filled to achieve maximum energy efficiency.



We carry Alside vinyl and steel siding a products available in various sizes and colors.


Contact Us Today For a Free Quote