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10 best window replacement companies in Denver, Colorado

HOMEFRONT

Updated Jun 22, 2024

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9,034
Companies Analyzed
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Companies in Denver
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Companies Selected

Updated windows with the newest features can keep your house comfortable and energy efficient by lowering monthly energy bills and keeping your HVAC system from overworking. The U.S. Department of Energy reports that both heat and cold can escape from substandard windows, which accounts for 25% to 30% of energy expenses for homeowners. The best window replacement companies in Denver can help you find aesthetically pleasing, energy-conserving possibilities.

Getting high-grade, energy-efficient windows begins with knowing what to research. First, we suggest opting for replacement windows with an Energy Star label. This certification proves that the window complies with the performance criteria defined by the National Fenestration Rating Council. The label also conveys the climate where the window will function best: northern, north-central, south-central or southern.

Our Top Pick
Provider logo
4.6
Our Rating
  • Offers lengthy window and labor warranty
  • Provides triple-pane windows
  • Sells specialty window shapes
GET ESTIMATE
Provider logo
4.2
Our Rating
  • Performs full-service installation
  • Sells enclosed patios and sunrooms
  • Holds many awards and certifications
Save 35% + $100 off per window!
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Provider logo
4.0
Our Rating
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty
Next-Day Appointments Available
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Find the best window replacement company for you in Denver

The most reputable window replacement companies in Denver provide wide-ranging model varieties, strong warranties, budget-friendly pricing and good customer reviews.

Since Denver is located in a northern climate zone, you should look for a U-Factor of 0.2–0.26. This ensures the window is insulated enough to withstand harsh winters. The lower the U-factor, the better the window retains heat. You should also look for a Solar Heat Gain Coefficient (SHGC) of less than 0.17. The lower the SHGC, the better the window resists unwanted heat gain and the less you’ll spend on cooling in summer.

Featured Partner

Renewal by Andersen Window Replacement

5.0/5(4,896)
Top Rated
Popular
Nearby
Has Offers

What customers say

Reviews for Renewal by Andersen note the team's professional installation, high-quality and energy-efficient windows, and excellent customer service. However, some customers mention the high cost and occasional scheduling issues​.

Services offered

Bay WindowsCustom Window DesignsDouble-HungEnergy-Efficient OptionsGlass DoorsVinyl FramesWindow Replacement/Installation

Highlights

  • 14 years in business
  • Comprehensive 20-year warranty
  • Hassle-free window replacement
  • Also offers door installation and replacement

1401 W Bayaud Ave #7, Denver, CO 80223

(720) 263-7039

renewalbyandersendenver.com
Featured Partner

Champion Replacement Windows of Denver

4.8/5(1,701)
Popular
Has Offers

What customers say

Reviews mention Champion Replacement Windows of Denver's professional installation, high-quality products, and great service, but say there were some post-installation follow-up issues​.

Services offered

Bay WindowsDouble-HungGlass DoorsWindow Replacement/Installation

Highlights

  • 27 years in business
  • Energy star® certified
  • Price you're quoted is the price you pay
  • Products made in the usa

10035 E 40th Ave Suite 400, Denver, CO 80238

(303) 800-2129

www.championwindow.com/Denver
Featured Partner

Champion Replacement Windows of Ft. Collins

4.9/5(854)
Top Rated
Popular
Has Offers

What customers say

Customers say Champion Replacement Windows of Ft. Collins provides quick, efficient installation and has great communication, but the team's follow-up service needs improvement.

Services offered

Bay WindowsDouble-HungGlass DoorsWindow Replacement/Installation

Highlights

  • 25 years in business
  • Price you're quoted is the price you pay
  • Products made in the usa
  • Energy star® certified

5850 Byrd Dr, Loveland, CO 80538

(970) 744-2604

www.championwindow.com/Ft-Collins
Featured Partner

Champion Replacement Windows of Colorado Springs

4.9/5(846)
Popular
Not Nearby
Has Offers

What customers say

Reviews highlight Champion Replacement Windows of Colorado Springs' great quality windows and highly professional team, but note there are delays and some customer service issues​.

Services offered

Bay WindowsDouble-HungGlass DoorsWindow Replacement/Installation

Highlights

  • 26 years in business
  • Energy star® certified
  • Price you're quoted is the price you pay
  • Products made in the usa

4610 N Chestnut St, Colorado Springs, CO 80907

(719) 344-2661

www.championwindow.com/Colorado-Sprin...
Featured Partner

Power Home Remodeling

4.8/5(2,925)
Popular

What customers say

Customers like Power Home Remodeling's prompt, professional service and great quality work, but mention team members can use high-pressure sales tactics and run into scheduling issues​.

Services offered

Energy-Efficient OptionsWindow Replacement/Installation

Highlights

  • 7 years in business
  • Safety-enhanced windows
  • Lifetime labor warranty
  • Heat-reflective & leak-resistant technology

7304 S Joliet St #100, Centennial, CO 80112

(303) 357-2484

powerhrg.com
Featured Partner

DaBella

4.9/5(1,174)
Popular
Has Offers

What customers say

Reviews say that DaBella has a friendly and knowledgeable staff, as well as professional service and quality installations. However, some note issues with delays in follow-up, as well as poor subcontractors​.

Services offered

Double-HungGlass DoorsVinyl FramesWindow Replacement/Installation

Highlights

  • 2 years in business
  • Triple-pane vinyl windows
  • Wide range of styles
  • Customized to your home

6600 E Hampden Ave, Denver, CO 80224

(720) 619-8704

dabella.us/location/colorado

Paramount Siding & Windows

5.0/5(570)
Top Rated
Popular
Has Offers

What customers say

Reviews highlight Paramount Siding & Windows' excellent craftsmanship, professional service, and reasonable pricing, with some noting minor issues that were promptly addressed​.

Services offered

Bay WindowsCustom Window DesignsDouble-HungWindow Replacement/Installation

Highlights

  • 15 years in business
  • Customized windows
  • Flexible financing
  • Fast & efficient installation

6637 S Broadway, Littleton, CO 80121

(720) 650-6840

www.paramountsidingandwindows.com
USA Today

Colorado Glass and Mirror LLC

5.0/5(174)
Top Rated

Services offered

Custom GlassGlass ShowersMirrorsWindow RepairWindow Replacement/Installation

Highlights

  • Good customer service
  • Free assessment
  • Price transparency

1400 W 70th Ave, Denver, CO 80221

(303) 477-0082

mycoloradoglass.com
USA Today

Endeavor Exteriors

5.0/5(248)
Top Rated
Popular

Services offered

Window Replacement/Installation

Highlights

  • Good customer service
  • Free assessment
  • Educational website
  • Price transparency

7808 Cherry Creek S Dr #401, Denver, CO 80231

(720) 410-9511

www.endeavorexteriors.com
USA Today

True View Windows & Glass

4.9/5(398)
Top Rated
Popular
Has Offers

What customers say

Customers praise True View Windows & Glass for professional, courteous service and quality installations, but some highlight issues with timely communication and difficulty scheduling.

Services offered

Glass DoorsGlass ShowersMirrorsTempered GlassWindow RepairWindow Replacement/Installation

Highlights

  • 7 years in business
  • Wide variety of styles
  • No-pressure appointments
  • Fabricate, cut, & install

3200 W 71st Ave #20, Westminster, CO 80030

(720) 431-8783

www.trueviewglass.com

More providers

Below are additional window replacement companies that didn’t make our top picks based on their distance, ratings or service offerings.

One Window AT A Time

4.9/5(207)
2851 S Parker Rd #1080, Aurora, CO 80014

Dreamstyle Remodeling

4.9/5(697)
637 Osage St, Denver, CO 80204

Gravina's Windows

4.9/5(279)
950 W Evans Ave, Denver, CO 80223

Dun-Rite Home Improvements, Inc.

4.9/5(702)
2010 W Dartmouth Ave, Englewood, CO 80110

What are signs that I need my windows replaced?

Your windows might indicate when they require improvements. Usual clues that it's time for an upgrade include the following:

  • Damage, such as cracked glass or broken framing
  • Condensation between glass panes (moisture on the exterior or interior of panes is normal)
  • Air leakage around windows
  • Escalating energy bills
  • Problematic noise pollution from outside
  • Poor curb appeal due to age or weathering
  • Poor operation, such as not opening or closing easily

You can just swap out a single window if it's broken or otherwise needs replacing. However, if you have windows throughout the house with poor efficiency or outdated looks, swapping all of them out will provide the most successful upgrade.

Deciding not to upgrade your aged or broken windows can cost you later on. Problems like air infiltration can make your utility bills spike dramatically and overburden your HVAC system. Excess humidity can result in window rotting and potentially mold in your house. Faulty windows might also pose a security risk if the damage could allow intruders to easily enter your home.

How much does it cost to replace windows in Denver?

Window replacement costs vary based on several specifics, but in Denver you can expect to spend around $220 to $330 per window for materials, according to RSMeans data. Factors such as the complexity and size of your project will affect what you pay for labor. A survey of homeowners in October 2023 indicated that the national average cost for putting in up to five windows is $9,014 for aluminum-frame and $9,403 for wood-frame windows.

Window replacement cost factors

Several components can cause your total expense to fluctuate, such as window style, materials, glass type, installation fees, efficiency features, home age and window location. Larger, more intricate styles like bay windows and bow windows will cost more, as do premium windows. You’ll pay more for certain materials, such as fiberglass, composite and wood.

Window replacement cost by replacement type

The two main replacement styles are pocket and full-frame installations. If it's only the glass pane that needs fixing, you can save money by having a technician switch out only that part, rather than the whole unit. But for problems with the window frame itself, such as damaged pieces, drafts leaking in or moisture damage, a full-frame replacement is required.

Facts about Denver

Low cost per window
$223
Denver
$240
National Average
High cost per window
$334
Denver
$360
National Average
Average Daily Sunlight
71%
Denver
69%
National Average
windows Icon

Best window replacement for you

Experts Ready to Help

How can I save money on Denver window replacement?

Window replacements provide ongoing value, but paying the best price now is important, too. We recommend saving money in the following ways:

  • Choose standard colors and sizes: Selecting custom features can increase the total price without actually making the windows function any better.
  • Purchase in the off-season: To replace units, the windows will need to be open for a time, so many people do updates during the milder months. If you’re okay with a winter installation, you may be able to get a deal from window fitters looking for business in those months.
  • Buy in bulk: Buying all new windows at one time is usually cheaper than separating purchases out slowly. Window manufacturers often provide discounts when you buy in bulk. Sellers also tend to increase prices each year, so buying all your windows at once can help you avoid those added costs.
  • Consider a different window style: If more elaborate windows catch your eye, write down their most appealing visual features and then find reasonably priced options with similar traits. If you want ample natural light and a great view, opting for a picture window over a bay window can save you thousands of dollars and still provide both qualities.
  • Pay in cash or by check: Plenty of companies add fees if you pay with a credit card. An extra 3% on top of spending hundreds or thousands of dollars can steeply inflate your final bill.
  • Compare estimates: Get quotes from a few window companies to compare what they charge. Measure each window type's construction against the price to find the most budget-friendly option.

Our methodology for selecting window replacement companies

The Homefront Local team employs a proprietary scoring algorithm that evaluates companies based on key factors you value, such as average customer review ratings and trustworthiness indicators. Our method for determining trust involves a comparative analysis of the number of reviews a company receives compared to its local competitors. This leads to companies that have earned more trust from your local community being awarded a higher score. We review national window companies against our full methodology. We score window companies based on window options, energy-efficiency features, warranties, reputation and reviews, customer service and communication, and installation and other services. Cost information in this article, unless otherwise noted, was calculated using RSMeans data from Gordian™. RSMeans is a construction cost database used by thousands of contractors to generate their project pricing.

Contact us at feedback@homefront.usatoday.com if you have questions or feedback on this article

Editorial note: The name “Homefront” refers to the alliance between USA TODAY and Home Solutions that publishes review, comparison, and informational articles designed to help USA TODAY readers make smarter purchasing and investment decisions about their home. Under the alliance, Homefront provides and publishes research and articles about home service and home improvement topics. Homefront has an affiliate disclosure policy. The opinions, analyses, reviews or recommendations expressed in this article are those of the Homefront editorial staff alone (see About Homefront). Homefront adheres to strict editorial integrity standards. The information is believed to be accurate as of the publish date, but always check the provider’s website for the most current information. Go back to top

Our editors may use AI as an input tool to tailor information in local markets. All content goes through a rigorous research and review process led by our team of writers and editors.

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