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Window Services in Longmont, CO

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112 Professionals

Featured Reviews for Window Services in Longmont, CO

DMD Window & Door
Window Services in Longmont, CO
Average rating: 5 out of 5 stars2 February 2014
“Installed 7 replacement windows with Pella Imvervia, including replacement of a 6'x6' picture window with a bay window and lowering the sills of three bedroom windows.”
Window Well Guardian LLC
Window Services in Longmont, CO
Average rating: 5 out of 5 stars1 September 2021
“Had 2 window wells replaced. Work was done all in one day. Much more reasonable price than we received from some others. Left area clean, replaced all dirt and rocks. Looks better than when they started. We are very pleased with work and highly recommend.”
Alpen High Performance Products
Window Services in Longmont, CO
Average rating: 5 out of 5 stars26 May 2016
“Alpen provides outstanding performance / value. Alpen's windows make a significant difference to the building envelope - and comfort for the occupants. While you can save energy (operating costs) by using Alpen's windows and doors, the comfort afforded is the reason to purchase them. Note also the sound ratings are also exceptional. If you live in a noisy area (traffic, airport, train tracks, etc), Alpen windows will significantly reduce the noise levels inside the building. And finally, the fiberglass frames are exceptional for longevity/durability and low maintenance.”
5280 Exteriors
Window Services in Longmont, CO
Average rating: 4 out of 5 stars18 June 2013
“It took a few weeks to get everything going, but the guys at 5280 Exteriors are awesome. They're respectful, and informative, and you, in no way, feel slighted or as though they are attempting to take advantage of you. LOVE THESE GUYS!!!”
Renewal by Andersen
Window Services in Longmont, CO
Average rating: 5 out of 5 stars3 October 2022
“I would like to strongly recommend Renewal by Anderson Window Replacement which covers WY, NE, MT and SD. We had 7 windows replaced in our home just a few short months ago, and what a difference it has made to our house. From the ordering process to the actual installation was a very seamless transaction. Joe Klingaman and his crew of one-Tyler were very professional, quick and efficient, and left no mess behind. The company kept us in the loop at all times, and valued our business. Thank you again for a job well done. Brad & Arloa [Sensitive Information Hidden]”
Lifetime Windows and Siding
Window Services in Longmont, CO
Average rating: 5 out of 5 stars23 January 2017
“I've been working with Lifetime Windows for years and they are the most professional, efficient, and polite team I've worked with! I highly recommend Lifetime Windows for any and all window and siding projects. They can handle any project you throw their way with the happiest of teams and most polite staff. They are awesome!”
Conservation Construction
Window Services in Longmont, CO
Average rating: 4 out of 5 stars28 July 2013
“We just had all our windows replaced. The crew came and was very respectful of my time and working in the house. They finished all 25 25 windows and 2 doors in 1 day. They cleaned up and made sure all my questions were answered. I really love our new windows. Kristen and Joel Carrollton tx.”
New Windows For America
Window Services in Longmont, CO
Average rating: 5 out of 5 stars2 April 2020
“So happy and impressed with the level of professionalism, attention to detail, and work ethic from the day I received my estimate to completion of the installation. My new windows and sliding glass door are such high quality and beautiful. Thank you!”
Mountain Window Specialties, Inc.
Window Services in Longmont, CO
Average rating: 5 out of 5 stars4 August 2017
“The whole team at Mountain Window Specialties continues to go above and beyond when it comes to service. Their product knowledge and customer-first approach make ordering windows and doors a breeze. Great family owned business with people who care!”
Chateau Window and Shower Enclosure LLC
Window Services in Longmont, CO
Average rating: 4 out of 5 stars25 September 2014
“I was impressed with their communication. Our job was part of an insurance claim and was more difficult to find matching windows. They kept me updated on finding window replacements, were willing to explain everything I needed to know, and when they would be able to be installed. The employees were great and willing to go beyond what they had to get our windows replaced. I would definitely hire them again.”
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Window Service FAQs
Double glazing refers to the construction of windows or doors using two panes of glass separated by a gap. This gap, often filled with air or an insulating gas, provides better insulation compared to single glazing, improving thermal efficiency and reducing heat loss. Double glazing also helps to reduce external noise and enhance security. It is a common feature in modern homes and buildings, contributing towards your homes energy efficiency.
Why Hire Builders on Houzz?
112Local Pros on Houzz Who Serve Longmont, CO
40,000+Total Number of Reviews Left by Homeowners
Windows are essential to your home’s beauty, function and feel, so it pays to give them the attention they deserve. If you are building a new home or renovating, window installation will be a key part of the process, and seeking the expertise of a professional is highly recommended. Poor window installation could, otherwise, result in the loss of heating and cooling, leaks, and moisture build-up. Use Houzz to find a window specialist in your area who can advise you on the best types of windows for your Longmont, CO home, window replacement and repair.

What does a window professional do?


Window specialists can recommend the most suitable type of window for your home, whether louvre, leadlight or sash, and will advise on the best positioning for style, function and energy efficiency. They can also survey existing windows for rot, improper sealing, worn hinges, and foggy double-pane glass, and will tell you whether or not a window replacement or upgrade will be necessary. The professionals in this category are also knowledgeable in sliding doors, bifold doors, French doors and other paned portals. Your window specialist may also work closely with Longmont, CO builders and architects. Here are some related professionals and vendors to complement the work of windows: Shutters, Blinds & Curtains, Building Project Managers, Home Builders, Specialty Contractors, Cladding & Exteriors.

Questions to ask a prospective window professional in Longmont, CO:


  • How long have you been in the business?
  • How many projects like mine have you completed?
  • May I see examples of previous projects?
  • Who will be working on the project? Are the workers employees or subcontractors?
  • What training and licensing do you have?
  • Can you provide me with references?
  • How do you charge, and what does that include?
  • Can you give me a written estimate?
  • Do you offer a warranty?
  • When can this job get done?
  • What happens when the cost exceeds the budget? What about changes to materials or labour pricing?
  • What will I need to provide?
  • Are there any important considerations or concerns you foresee with this project?

    Find a window professional on Houzz. Narrow your search in the Professionals section of the website to Longmont, CO Windows. You can also look through Photos to find examples of windows you like, then contact the professional who is responsible for them.