Call us at (720)508-4385
Quality Windows and Siding at Affordable Prices
Millennium Windows & Siding is the company you can trust for the personal attention and exceptional service you deserve.
Beautiful and Energy-Efficient options at an affordable price.
Durable, Weather-Resistant Home Siding in a variety of styles and colors.
Fast, Precise Installation to increase the value of your home.
Affordably-Priced Windows and Siding from Industry Leaders
Whether your home needs new or replacement windows or siding, your satisfaction is our top priority. We always strive to exceed your quality and service expectations.
Energy-Star rated windows and siding provide the ultimate in energy cost savings. We get your windows and siding installed in 3 weeks.
Our products are backed by our true 100% lifetime warranty* with no trip fee and no labor fee!
* Includes window frame, operators, seal and glass. Call (720)508-4385 for details.
An investment in new windows or siding from Millennium Windows & Siding will increase the value of your home, because our warranty transfers to new the homeowners when you sell.
We bring integrity, a commitment to great customer service, and a combined 22 years of experience to your home improvement project. Get competitive pricing, plus, no money down, no interest financing for 18 months.
At Millennium Windows & Siding, you work directly with the owner eliminating the salesman’s high commission.
Work directly with the owners
Why pay a salesperson's high commission? Our customers save on average 20% below their other bids.