Renewal by Andersen

Colorado's Trusted Replacement Window Supplier

Our Current Promotion

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Renewal by Andersen of Colorado is an independently owned and operated affiliate operating in CO and NM. Offer not available in all areas. Discount applied by retailer representative at time of contract execution and applies to purchase of 3 or more windows and/or entry or patio doors. 3% cash discount for payment in full by cash or check applied at time of sale. Cannot be combined with other offers. To qualify for discount offer, initial contact for a free Window and Door Diagnosis must be made and documented on or before 10/31/19 with the appointment then occurring no more than 10 days after the initial contact. No payments and deferred interest for 12 months available to well qualified buyers on approved credit only. Not all customers may qualify. Higher rates apply for customer with lower credit ratings. Financing not valid with other offers or prior purchases. No Finance Charges will be assessed if promo balance is paid in full in 12 months. Renewal by Andersen retailers are independently owned and operated retailers, and are neither brokers nor lenders. Any finance terms advertised are estimates only, and all financing is provided by third-party lenders unaffiliated with Renewal by Andersen retailers, under terms and conditions arranged directly between the customer and such lender, all subject to credit requirements. Renewal by Andersen retailers do not assist with, counsel or negotiate financing, other than providing customers an introduction to lenders interested in financing. Window Warmth, LLC d/b/a Renewal by Andersen of Colorado "Renewal by Andersen" and all other marks where denoted are marks of Andersen Corporation. ©2019 Andersen Corporation. All rights reserved. ©2019 Lead Surge LLC. All rights reserved. *Using U.S. and imported parts.

Replacement Windows

A lot of things can change in 20 years. Your windows shouldn't be one of them.

Double Hung

The traditional look with a wide range of design options.

View Double Hung Windows


Easy to open so you can let fresh air in and stay out of the weather.

View Awning Windows


Enjoy big views with expansive, uninterrupted glass.

View Casement Windows


Add architectural interest while maximizing room space

View Bay/Bow Windows


Great for letting in light from those hard to reach spaces

View Picture Windows


Ideal for maximizing a room's view and ventilation

View Sliding Windows


15 different shape options, including custom and combination options

View Specialty Windows

Replacement Patio Doors

Transform your space and bring the outdoors in.

Hinged French

Provide easy access to your home's exterior or patio

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Sliding French

Save space and maximize your view with sliding doors.

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Why Us?

Exclusive Products

Designed for energy efficiency, durability, beauty, and minimal maintenance, our windows are made from our patented Fibrex® material that stand the test of time.

Signature Service

Our certified master installers have experience working in homes of all shapes, sizes, and styles. We get the job done right and our installations are guaranteed for life.

Homeowner Warranty

A lot of things can change in 20 years. Your windows shouldn't be one of them. Our warranty is our promise to you and is backed by extensive testing.

What Our Customers Say

We take pride in expertly fitting YOUR custom window into YOUR home.

The install was great. one small issue that is being taken care of. The stucco work was just perfect. couldn't be happier with all.

We couldn't be happier with our experience! The windows are lovely, and installation was hassle free.

I love my new Anderson products!!everything went so smoothly!!the install went well and the installers were courteous, efficient, and extremely well-trained!!!Give those guys a raise!!!Thankyou so much for everything.

From the first meeting with our sales consultant through the installation the process was extremely pleasant. We love our new windows and would recommend Renewal by Anderson to our family and friends. Thank you

Very professional job all the way. Pricey for retired couple on fixed income/social security but definitely high quality if you can afford the package.

Wonderful people to work with. I did find quite a few metal shavings around after the crew left. I was afraid maybe the cats might step on them or something but it was really no big deal

Installer was awesome, his helper needs improvement. Setting nails, caulking, and trash pickup by his helper were doe by homeowner.

This was a great installation from the beginning. I was kept up to date through out the work . I asked a lot of questions and always had them answered in a polite manner.Five stars is the most I can give them but they deserve more.

Chris was very nice and knowledgeable and Angel and his crew were friendly, fast and efficient. I am enjoying my windows very much!

I absolutely love my new windows. I immediately noticed how quiet they made my house. I am looking forward to the winter to see how much of a difference it makes in my energy bill.

Ron and his team were great. We love our new windows. They did a great job and were super friendly.

Your personnel and services are as high in quality as your product. In other words, they just can't be beat!

Completely amazed by the difference these Windows have made. Looking forward to completing the remaining windows in our project.

We were very satisfied with our customer service rep> Marcus McLaren and our lead installer Adam Bautista.

We are extremely pleased with our Andersen Windows. We had them in our old home and pleases to be able to put them in our new home.

What a great team of guys! Solomon and crew that is. I really enjoyed them and they were kind enough to work even on Christmas eve to get the job done which I really appreciated, esp since it got so cold after that!

It was a great experience from start to finish! Thank you very much! I love my new windows!

This was our second patio door sourced from Anderson. Top class product and highly professional fitters.The products are excellent and really built to last.

Everyone we talked to was friendly and professional. The work was done efficiently with very little time exposed to outside weather. We love this product and will get more when we need them. Thanks

So far the windows have been great. We have not been through a winter us yet, so much of the test will occur when below freezing weather starts.

Fantastic job! The windows look beautiful! The clean up was well done and everyone from the Sales Rep, to the phone staff, to the installers were always courteous polite and professional.

I was very satisfied in all areas - cleaning up, professionalism, making sure I was satisfied with the ease of locking and unlocking the door. Everything was a great job!

High five for the installation crew.!!!!!!! They were top notch men for the job.!! Thanks, Ron Kaminen

Forrest was great! I love my doors and the entire installation, as well as the ordering, was just so smooth and reliable. I would highly recommend Renewal by Anderson so everyone!

The workmanship is great. I'm very pleased with your product. Insulation and did not take very long and the crew were very clean and knew what they were doing. I'm looking forward to put new Windows throughout the rest of my house.

Industry Partners

Our commitment to our products, customers, and the environment is recognized throughout the industry.

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