
Serving Longmont, CO and surrounding areas
Approved
In business since 1997
Free estimates
Warranties offered
"Dennis, Did A Great Job. Installing 2 Tinted Windows On Our Car. He Will Be Back. To Install The Tint On Our Deck Door."





+19

*The Angi rating for Window Service companies in Longmont, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
*The HomeAdvisor rating for Window Service companies in Longmont, CO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
Last update on May 20, 2026

Serving Longmont, CO and surrounding areas
Approved
In business since 1997
Free estimates
Warranties offered
"Dennis, Did A Great Job. Installing 2 Tinted Windows On Our Car. He Will Be Back. To Install The Tint On Our Deck Door."





+19

Serving Longmont, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Warranties offered
"cott even showed me how to remove and replace the window incase I have problems with other windows in the house knowing that we would have problems hiring to have other windows repaired on our fixed income ver_ nice man. thank you Scott. it very nice to have windows I can open and close again and knowledge of how to fix further issues buy myself if beeded. Thankyou so much for your honesty and help. There was a window that I thought needed repair and he save me money by showing me that one of the windows was working ok. Very honest and snd helpful business"





+20
Serving Longmont, CO and surrounding areas
Approved
Super Service Award Winner
In business since 1995
Free estimates
Credit card accepted
"Excellent job on the window tinting project. The quality of the work is top- notch, clean precise and professionally done. The tint not only enhanced the look of the home but has reduced the glare and heat, just as I had hoped. Cassandra was respectful of our space and left everything spotless after the job was done. I’d highly recommend to anyone looking to upgrade their home Windows. Outstanding work with a fun personality!!"





+15

Serving Longmont, CO and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"Ben was courteous, personable, very professional and knows his trade., I was impressed with his applications of window tinting my four huge windows here in a timely and CLEAN manner."

Serving Longmont, CO and surrounding areas
Approved
In business since 2002
Free estimates
Emergency services offered
"Great job. They came when they said they would. They did a nice job on the windows. They were efficient and came in at the agreed upon amount. This was a good savings over others who estimated the job."
Serving Longmont, CO and surrounding areas
Approved
In business since 1994
Free estimates
Customers say: Quality work
"Tom responded quickly and gave me an estimate on installing two small windows on each side of my fireplace. He said it would take a month for the order and that's exactly what it was. My schedule didn't allow him to come out during the week so he came on a Saturday morning to install windows. He did a great job, cleaned up inside and out and the windows look great. I may consider installing an egress window and I would definitely use Tom's company."

Serving Longmont, CO and surrounding areas
Approved
In business since 2012
Free estimates
Credit card accepted
"Ray the owner was on time, worked fast and did a great job. Our house will sell better because of our sparkling windows. He was friendly and even washed the two little windows on our shed for no charge that were not included in the bid.Our bid also included cleaning out our window wells and cleaning those windows. He did an excellent job. His prices are low. He is a veteran and hires veterans in his business. I would definitely recommend this company for windows and gutter cleaning."

Serving Longmont, CO and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1992
Free estimates
Warranties offered
"Excellent workmanship and products I have had three installations with Power in the past two years. I first used them for a new roof and gutters. The workers were all knowledgeable in their area of work. Clean up was good although some nails kept showing up over time. Next I had the 2nd floor windows and some 1st floor windows replaced, 9 in total. Installation went well and they cleaned up beautifully afterwards. I love the windows! They are a beautiful and energy efficient product. Lastly, I recently had a bay window replaced in my kitchen with the same type window. The workers ere all friendly and explained what would be done. The area was draped with plastic to cut down on dust. Clean up was excellent inside and outside! The window is beautiful and the framing on the outside of the window matches the other windows and the small roof above the bay window was replaced with the same roofing as the rest of the house. I would choose them again for any future projects."





+24

Serving Longmont, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Small jobs welcome
"Did a great job cleaning our windows despite thunder, lightening, and hail."





+68

Serving Longmont, CO and surrounding areas
Approved
Super Service Award Winner
In business since 2007
Free estimates
Customers say: Terrific value
"Colorado Egress was incredibly easy to work with. Very thorough and they do excellent work. Highly recommend for egress windows ."





+10
From average costs to expert advice, get all the answers you need to get your job done.

Discover the energy-efficient window costs. Learn about installation prices, cost factors, and tips to save money on your window upgrade.

Steel windows are a durable, modern option for your home. Learn how much steel windows cost and see if they’re a good fit for your home.

The cost of new windows heavily depends on their size, but other factors come into play as well. This guide breaks down window costs based on various factors so you can make an informed budget for this project.

Buying windows can be complex. There are a ton of things to consider before buying to ensure you’re making the right choice for your home. Explore more here.

If it's time to replace or install a new window, you have plenty of stylish options. Here are 15 types of windows and the best place for each one in your home.

Understanding standard window sizes is easy once you get the hang of it. Here's how to order windows just like the pros.