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Colorado Window Source

Our Denver replacement windows company offers expert window installation from professional installers. In Denver and Boulder's hot summers and cold winters, your home will be more energy efficient with our top-quality house windows and vinyl replacement windows. More people are going green to save energy throughout Colorado and we can help in Denver, Boulder and most of the front range area. There are many replacement window companies in Denver, but few that offer the service and quality of Colorado Window Source.

GuildQuality Member
Since 2013
Feedback Milestone
5-Year Anniversary
2018 - See more

Windows & doors (310)

Siding (108)

James Hardie (98)

Roof (17)


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All project locations are approximate


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Showing 1-7 of 7


Leo Durocher

Denver, CO
Window sales, Sunrise Windows, Owner and President, +1

Lauren Anderson


Most helpful reviews & comments

What is this?

What is this?

We display two types of written homeowner feedback on GuildQuality member profile pages: Comments and Reviews.


In response to our customer satisfaction surveys, homeowners share lots of comments about construction quality, communication, or any other question asked in the survey. Guildmembers can selectively publish these comments here on their profile page.


Reviews are different than comments. These are star ratings that homeowners ask us to publish, and they come with a written description of the type of experience they had working with their contractor. We publish all of the reviews we receive: positive and negative alike.

Learn more about reviews and comments.
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  • GuildQuality
  • BBB A+ Accredited Business
  • EPA Lead-Safe Certification
  • EPA Lead-Safe Certified Firm
  • International Code Council Member

More about Colorado Window Source

As a GuildQuality Guildmember, Colorado Window Source relies on our customer surveying to help them deliver an exceptional customer experience.

We have surveyed customers on behalf of Colorado Window Source in Denver, CO; Centennial, CO; Littleton, CO; Highlands Ranch, CO; Aurora, CO; Boulder, CO; Parker, CO; Lakewood, CO; Arvada, CO; Golden, CO; and 48 other cities in Colorado, Wyoming and Georgia.

In this report, Colorado Window Source has published a summary of the customer feedback they've received since they joined GuildQuality in February 2013. In that time, 266 out of 437 customers (61%) responded to a GuildQuality satisfaction survey, with the most recent response in January 2018.

If you are a Colorado Window Source customer, and if Colorado Window Source completed work for you after February of 2013 but you haven't yet received a survey, please let us know.

2018 Guildmaster Application

Colorado Window Source is a candidate for a 2018 Guildmaster Award. The Guildmaster Awards recognize exemplary service among home builders, remodelers, developers, and home services contractors. Click here to review this year's qualifications.

To be eligible for consideration, Colorado Window Source must survey all of their customers.

If you are a recent customer of Colorado Window Source and have not yet received a customer satisfaction survey, please let us know. We need your feedback in order to conduct a thorough review of Colorado Window Source's application.

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