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Recent Window Replacement Reviews in Longmont

  • Advanced Exteriors Inc
    After that storm last year our home sustained significant hail damage that our insurance originally denied. I called Advanced Exteriors for a second opinion and Sean Tillotson came to our home to assess the damage. Not only was our roof damaged but we had gutter, paint, and windows damaged. Sean
    Amara B.
  • Paramount Siding & Windows
    Easy, professional, beautiful from beginning to end! From the moment my husband and I met the rep at the home show in Denver to the very last detail of clean up at our house, the people at Paramount were respectful, courteous, kind and helpful. The large picture window they replace in our home is
    Cindy K.
  • Jordan Exteriors
    Joe came out and gave me a no-hassle quote which was a fair price then Dan and his crew came out and installed our windows in a jiffy. Highly recommend Jordan Xteriors.
    Jeremy B.
  • Conservation Construction Corp
    Conservation Construction were exceptional throughout the sales and installation process. Randy - their sales rep - was knowledgeable and described all the features and benefits well. He wasn't pushy and worked with us on every ask, including changing some parameters after the sale. Their prices
    Ryan G.
  • All Creations Home Improvement
    The project went amazing! We had a vision for our recording studio and All Creations brought every aspect of that vision to life. Isaac and Cody were beyond professional and did a fantastic job on every aspect of our project. Will be using them in the future for personal and business renovations
    Hayden T.
  • Peak Side Exteriors
    From start to finish the job was well done and professional. Brian was accommodating and knowledgeable about both jobs. His attention to detail is exceptional!
    Claudia S.
  • Northern Lights Exteriors
    Excellent customer service and no pressure sales! I originally got a quote 3 years prior and never once felt pressured to purchase. Jeff was amazing and a great salesman! He answered any and all questions and made multiple trips out to my house before I even signed. I got brand new siding and
    Dominic R.
  • SDA Solutions
    Scott is someone I immediately felt comfortable with having in my home. I needed to remodel my basement and he was the right fit for what I needed. Scott listened to what I needed, provided feedback and started working. He focuses on the details of the work, and doesn’t waste time.
    Syrma Q.
  • Home Design Exteriors
    Excellent! The team was quick, efficient and meticulous about cleaning up. It was obvious that all the team members got along well and enjoyed their work. We also had our siding done (a year ago) with same results.
    Pam N.
  • HT Plastering
    It was a pleasure to work with Henry and his crew. They are professional, friendly, knowledgeable, and reliable. The crew went above and beyond the scope of the project when additional repair work was needed and no additional charges were incurred. They did it right!! Would definitely hire them
    Linae S.

Last update on October 22, 2022

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What to consider when looking for window companies

Knowledge and experience, a reputation for good customer service, and pricing that works within your budget are all things that matter when you’re ready to hire a window company. To get an idea of whether a potential window contractor might be right for the job, start by asking for referrals, doing some research on social media, and reading customer reviews.

Expertise and customer care aren’t the sole deciding factors to consider when seeking out professionals in Longmont. Be sure to check about other basics, such as those listed below.

Proper licenses and certifications

Be sure the window service provider or its employees hold needed licenses to take on this type of work in your city or state. Further, if you’re interested in windows from a certain company, ask about certifications from the manufacturer.


Be sure the window company has the right insurance that covers its professionals while they work and possible damage that may occur.

Overall costs for the work

Ask for quotes that detail price points. Compare price points between contractors to discover which works best for your wallet.

Some options for new windows

New window installation options include replacing existing windows when updating or hanging windows in new construction. You might elect to have a new window installed to handle an issue with nonfunctional or unsightly existing windows.

Explore our Solution Center for helpful window installer articles

window replacement installers in Longmont

Companies below are listed in alphabetical order.

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Rate Angi’s Window installers in Longmont

Featured Rating:

Window installers in Longmont are rated 4.4 out of 5 based on 13,435 reviews of the 152 featured Longmont pros

The Angi rating for Window installers in Longmont is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window installers needs. Angi’s review system takes into account ratings on price, quality, timeliness, responsiveness and feedback for Angi Certified Pros.