Office: 970-663-7433

Estimates: 844-385-5389

Text: 844-385-5389


Office & Showroom

3167 East Eisenhower Blvd. #C

Loveland, CO 80537


Mon - Fri: 9am - 5pm

Saturdays: 10am - 2pm


2020 All Rights Reserved | Window & Siding Outlet of Loveland, CO

Replacement Windows | Home Window Replacement | Local Window Contractor | Vinyl Windows | Amerimax Windows | Vinyl Siding | Local Siding Contractor | Siding Replacement | Best Replacement Windows | 


Professionals That Care

Window & Siding Outlet takes extra care in  providing quality products and superior customer service to Northern Colorado. Our window company is family owned and operated, with over 25 years of experience installing windows, siding, and doors. We understand your concern about making the right choice, and we are committed to your providing you the satisfaction that you seek!

At Window and Siding Outlet, we only offer the finest products on the market, and will stand firmly behind the products and brands that we offer. All of our products come with a warranty backed by a well-trained and equipped installers.


We would be happy to provide you a list of referrals from our satisfied customers from within the Northern Colorado community. Whether you are in Loveland, Fort Collins, Greeley, and beyond - we are here to provide you with the experience and customer service you need.

We Are Trained & Qualified

“Our professional credentials and affiliations are your insurance that our commitment to you does not end with your product installation.”

Window & Siding Outlet carries the necessary certifications and training to ensure that your window and siding products are installed accurately, efficiently, beautifully and most importantly, correctly, for optimal product performance.

Jeff Alexander & Julie Alexander
Window & Siding Outlet Owners
  • Vinyl Siding Institute – Certified Installer

  • Colorado Hazard Control – Certified Renovator EPA

  • Softlite Windows – Exclusive Elements Dealer

  • The Leaf Relief – Trained Installer

  • Amerimax Dealer of the Year
  • Mastic Elite Contractor
  • Simonton Window Master Consultant
  • Kensington Exclusive Dealer

We Are Environmentally Friendly

At Window and Siding Outlet we are mindful of our future and the future of our planet. As a top window installer, we take time to ensure our products are environmentally friendly. We offer a variety of products that are produced efficiently. Our products  help increase energy efficiency and maintain a high standard of durability.

9 Reasons to Choose Us

There are other window and siding companies out there, so why choose us?  Here are nine good reasons that we stand out from the rest...

  1. We carry the most energy efficient windows available, period.

  2. We offer a Lifetime Transferable Warranty on our products.

  3. We employ reliable factory trained installers.

  4. Our prices are highly competitive for the quality.

  5. We have been a local Colorado Contractor for over 25 years.

  6. Our products are all American made.

  7. Our estimates include a 30 day price guarantee.

  8. We keep a low overhead to give you the best competitive pricing.

  9. Our company is family owned and operated.