21 Best Window Replacement Companies in Denver, NC (2023 Reviews)
Window Companies Near Me
Thinking about replacing your windows? We've got all the information you need in this list of the top window installation companies.
We analyzed all the top window installers in Denver and selected the top 21 based on:
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Customer reviews
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Window replacement expertise
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Popularity with home-owners like you
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Updated March 14, 2023
Why you can trust EcoWatch
Although environmentally friendly energy sources like wind and solar are important when it comes to reducing your carbon footprint, improving your home's energy efficiency can also have a big impact on home energy conservation. Traditional, outdated windows can cost you in electric bills. As a matter of fact, the Department of Energy estimates that about 30% of your home's heat or cool air could be lost through your windows.
That's not great for either your bank account or the environment, but one of the top window installation companies can help you with that.
So if you're constructing a new home, renovating or updating your windows in Denver, you've found the best place to get started.
Best Affordability
Window World
- Lifetime warranty
- Great industry reputation
- EnergyStar Partner
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Award-winning company
- Great industry reputation
- Manufactures products in-house
- No lifetime warranty
Best for Residential Windows
Window Nation
- Award-winning company
- Custom designs
- Wide variety of products and services
- Installation not covered by warranty
Best Window Replacement Companies in Denver
The EcoWatch Reviews team evaluated dozens of window installation companies across Denver to narrow our list down to the top ones. We assessed the providers based on energy-efficient offerings, price, customer service, coverage area, local experience and more.

Window World
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Lifetime warranty
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Great industry reputation
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EnergyStar Partner
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Quality of service will depend on your area
Window World is the largest window replacement company in the country, known for its vinyl windows and affordability. This window installation company has been operating since 1995 and currently provides services to 200 locations nationwide. Hundreds of positive reviews from customers online back the company's reputation.
If you're looking for a company that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital, Window World may be the provider for you.
Energy Efficiency of Window World WindowsWindow World offers some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to mention that you want high-quality Energy Star windows when inquiring. Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home.
How much does Window World cost in Denver?Prices aren't mentioned on Window World's website, but it's known for offering some of the most affordable window installations around. If you'd like more accurate information, you can inquire about a quote on the company's website.

Renewal by Andersen
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Award-winning company
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Great industry reputation
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Manufactures products in-house
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No lifetime warranty
Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This provider has 27 years of experience in the windows business, and it has established itself as one of the best companies in the business. The provider has a lot of positive reviews from customers online.
Andersen may be the company for you if you're interested in one that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen WindowsRenewal by Andersen is an Energy Star partner and offers a variety of energy-efficient windows. Note that not all of the company's windows are Energy Star certified, so be sure to ask your Andersen representative when inquiring about services.
How much does Renewal by Andersen cost in Denver?Andersen does not list prices on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. The best way to get more accurate information is to ask for a free quote from the company.

Window Nation
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Award-winning company
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Custom designs
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Wide variety of products and services
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Installation not covered by warranty
Window Nation provides the best residential windows in Denver. It's a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. This company has 16 years of experience in the windows industry, and it has proved to be one of the most respected companies in the business.
It has established itself as a company that gives customers the opportunity to view products and to speak to a representative in person in its showrooms.
Energy Efficiency of Window Nation WindowsWindow Nation appeals to eco-conscious consumers by providing energy-efficient window offerings. Each product has windowpanes coated with a Low-E (low emissivity) glaze that prevents damaging UV rays from heating your home. Plus, the spaces between double- and triple-pane windows are filled with argon gas that’s been proven to improve home insulation.
How much does Window Nation cost in Denver?Prices aren't listed on Window Nation's website, but based on customer feedback, you can expect to pay between $300 and $525 per window installed, making it a more affordable option compared to competitors. For more detailed information on the cost, you can inquire about a quote from the company.

Universal Windows Direct
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Makes charitable contributions
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Manufactures products in-house
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Wide variety of products and services
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Lifetime warranty
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Limited service area
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Some installations carried out by third-party contractors
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Quality of service will depend on your area
Universal Windows Direct is a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. This window installation company has been operating since 2002 and currently provides services to 27 states nationwide. Many positive reviews on customer review websites back the provider's reputation.
If you're looking for a company that has an industry-leading warranty covering products, parts and workmanship for life, Universal may be the right company for you.
Energy Efficiency of Universal Windows Direct WindowsThere are a wide variety of window types available from Universal Windows Direct, some of which are Energy Star products. The company offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products.
How much does Universal Windows Direct cost in Denver?While prices are not available on Universal's website, installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. If you'd like to know for sure, you can request a quote on the company's website.

Aeroseal Windows
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Many years of experience
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Great industry reputation
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Low number of customer complaints
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Manufactures products in-house
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Custom Designs
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No lifetime warranty
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Not ideal for residential installations
Aeroseal Windows offers the best window installation for businesses in Denver. It's an installer that mainly serves commercial and multifamily properties, and also specializes in railings. If you’re looking for residential window installations, you should probably refer to one of the other companies on this list. This window installation company has been operating since 1999 and currently services 13 states and Washington D.C. Hundreds of positive reviews on customer review websites back the provider's reputation.
It installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsAeroseal Windows offers some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to mention that you want high-quality Energy Star windows when inquiring. The company claims it helps businesses save on energy expenses and reduce their carbon footprints with energy-efficient windows, as well as practices like Low-E glass coating, weatherstripping and more.
How much does Aeroseal Windows cost in Denver?While prices are not readily available on Aeroseal's website, it provides high-quality windows at a competitive price point. Getting a free quote on its website is the best way to get more accurate pricing information.
One thing to note is that the following companies are national, which means the quality of customer service may vary depending on your local team. We have tried to be unbiased and transparent by describing both pros and cons for each provider.
More Window Replacement Companies in Denver
Carefree Coatings & Windows Charlotte
Charlotte, NC-
Helps Educate Customers
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Consistent Workmanship
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Price Transparency
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Locally Recognized for Quality
Services Offered
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Residential Windows
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
TruGuard
Matthews, NC-
Arrives on Time
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Excellent Customer Service
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Award-Winning
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No-Hassle Pricing
Services Offered
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Glass Showers
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Residential Windows
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Energy-Efficient Options
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Custom Windows
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Commercial Windows
The Window Source of the Carolinas
Charlotte, NC-
No-fee Quotes
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Price Transparency
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Reliable Service
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Educational Website
Services Offered
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Architectural Glass
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Energy-Efficient Options
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Custom Windows
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Commercial Windows
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Double-Hung
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Sliding Glass
Binswanger Glass Co
Newton, NC-
Arrives on Time
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Good Customer Service
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Educational Website
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Reliable Service
Services Offered
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Residential Windows
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Architectural Glass
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Glass Showers
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Doors
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Custom Windows
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Aluminum Window Frames
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Full-Service Installations
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Commercial Windows
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Sliding Glass
Binswanger Glass
Pineville, NC-
Reliable Appointment Windows
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Price Transparency
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Good Customer Service
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Helps Educate Customers
Services Offered
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Double-Hung
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Doors
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Full-Service Installations
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Custom Windows
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Residential Windows
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Commercial Windows
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Sliding Glass
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Glass Showers
World of Windows of The Carolinas
Perimeter Woods Dr, NC-
Gives to charity
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No-Hassle Pricing
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Award-Winning
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Good Customer Service
Services Offered
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Custom Windows
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Architectural Glass
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Sliding Glass
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Double-Hung
Emergency Glass Company
Mint Hill, NC-
Price Transparency
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Reliable Appointment Windows
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No-fee Quotes
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Good Customer Service
Services Offered
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Residential Windows
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Custom Window Designs
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Aluminum Window Frames
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Business Windows
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Double-Hung
AAA Window Cleaning & Window Solutions
Fort Mill, SC-
Dependable Service
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Good Customer Service
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No-fee Quotes
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Timely Service
Services Offered
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Residential Windows
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Custom Windows
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Commercial Windows
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Double-Hung
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Sliding Glass
Binswanger Glass
Hickory, NC-
Excellent Customer Service
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No-Hassle Pricing
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Timely Service
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Helps Educate Customers
Services Offered
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Residential Windows
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Glass Showers
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Doors
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Custom Windows
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Full-Service Installations
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Business Windows
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Double-Hung
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Sliding Glass
G&S Contracting, Inc.
Mooresville, NC-
Price Transparency
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Dependable Service
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No-fee Quotes
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Good Customer Service
Services Offered
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Custom Window Designs
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Energy-Efficient Options
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Double-Hung
Karsey Glass
Charlotte, NC-
Dependable Service
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No-Hassle Pricing
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Good Customer Service
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Educational Website
Services Offered
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Residential Windows
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Glass Showers
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Heavy Glass
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Custom Windows
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Aluminum Window Frames
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Commercial Windows
Southern Industries Home Improvements
Charlotte, NC-
Consistent Workmanship
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Educational Website
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No-fee Quotes
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Good Customer Service
Services Offered
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Residential Windows
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Glass Showers
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Energy-Efficient Options
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Custom Windows
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Double-Hung
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Sliding Glass
Window Nation
Charlotte, NC-
Locally Recognized for Quality
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Helps Educate Customers
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Good Customer Service
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No-fee Quotes
Services Offered
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Sliding Glass
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Custom Window Designs
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Energy-Efficient Options
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Double-Hung
Home Window Repair & Glass Replacement
Charlotte, NC-
Free Quotes
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Locally Recognized for Quality
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Dependable Service
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No-Hassle Pricing
Services Offered
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Sliding Glass
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Commercial Windows
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Tempered Glass
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Double-Hung
Forever Windows
Statesville, NC-
Price Transparency
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Educational Website
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Excellent Customer Service
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Free Quotes
Services Offered
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Custom Window Designs
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Residential Windows
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Sliding Glass
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Double-Hung
Window World of Hickory
Hickory, NC-
No-Hassle Pricing
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Supports Charities
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Excellent Customer Service
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Consistent Workmanship
Services Offered
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Custom Windows
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Architectural Glass
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Sliding Glass
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Double-Hung
Crown Builders
Charlotte, NC-
Educational Website
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No-Hassle Pricing
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Free Quotes
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Excellent Customer Service
Services Offered
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Architectural Glass
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Energy-Efficient Options
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Custom Window Designs
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Double-Hung
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Sliding Glass
Arc Energy Systems
Charlotte, NC-
No-fee Quotes
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Locally Recognized for Quality
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Helps Educate Customers
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Price Transparency
Services Offered
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Architectural Glass
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Energy-Efficient Options
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Custom Windows
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Double-Hung
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Sliding Glass
Renewal by Andersen Window Replacement
Charlotte, NC-
Free Quotes
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Timely Service
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No-Hassle Pricing
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Consistent Workmanship
Services Offered
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Energy-Efficient Options
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay Windows
Windows Doors & More Warehouse
Statesville, NC-
Helps Educate Customers
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No-Hassle Pricing
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Charitable Giving
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Excellent Customer Service
Services Offered
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Energy-Efficient Options
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Custom Window Designs
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Double-Hung
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Stained Glass
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Sliding Glass
Mooresville Window Pros
Mooresville, NC-
No-fee Quotes
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Locally Recognized for Quality
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No-Hassle Pricing
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Consistent Workmanship
Services Offered
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Business Windows
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Full-Service Installations
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Custom Windows
How Installing Energy-Efficient Windows in Denver Saves You Money
Energy-efficient windows can benefit you in several ways. Here are a few reasons you may want to consider making the switch:
- Protect your investment: When you have an older home, your windows could also be outdated or damaged. Keeping your windows up to date is an important part of maintaining your property and its real estate value.
- Save money on electricity bills: Because energy-efficient windows decrease how much energy you need to heat or cool your home, they can help you save about $333 annually on your energy bills in Denver.
- Reduce your carbon footprint: Decreasing the amount of energy you use also lowers your indirect greenhouse gas emissions. You could reduce it by 345 pounds per year on average.
- Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which filter out harmful UV rays, reducing fading of your furniture, carpet and other valuables.
Estimated Cost of Window Replacement in Denver
When researching window installation, each company offers varying services and costs. Let's go over some average costs and services.
How Much Do New Windows Cost?
Typically, Denver homeowners can expect their window replacements to range from $250 to $1,200. The average cost sits at about $600. But prices vary considerably depending on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window companies also offer door replacements, which carry a higher price tag.
Whether or not you choose energy-efficient windows is another factor that will affect the cost. These will usually cost more than other windows, but on the other hand, you can save about $333 a year on your energy bills in Denver.
Costs will also vary depending on the material you choose for your window frames. Aluminum frames have the lowest price. They're sturdy, light and maintenance-free, but offer poor insulation. Vinyl frames are somewhat expensive and offer good insulation. Composite frames made with wood fibers encased in plastic also offer good insulation and are moderately expensive. Wood frames cost the most and are the most in-demand. They're also aesthetically pleasing and offer decent insulation for your home.
What Services do Window Installers Offer?
The first step when planning a window replacement is to clarify whether you should get a full-frame or pocket installation.
Full-frame installations involve replacing the entire window — the sill, frame, trim and all. These are most common when you want a different style for your windows or when it has a great amount of damage. Full-frame installations require more time and labor and will increase overall costs. Pocket installations are on the simpler end and won't carry as large a bill because they involve merely replacing the window within its existing frame. But if the frame has any damage, you should opt for a full-frame installation instead.
Your window installation company can help you choose which type of installation you need.
Best Affordability
Window World
- Lifetime warranty
- Great industry reputation
- EnergyStar Partner
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Award-winning company
- Great industry reputation
- Manufactures products in-house
- No lifetime warranty
Best for Residential Windows
Window Nation
- Award-winning company
- Custom designs
- Wide variety of products and services
- Installation not covered by warranty
How We Choose the Best Window Installers in Denver
EcoWatch reviews are different from most reviews since we look at these companies through a sustainability lens. Along with energy efficiency, we evaluated several window installers in Denver and assigned rankings based on the following methodology:
Service Area
Since this is a guide for Denver, we gave more points to companies that cover the city. There are certainly reputable providers that didn't make our list because they wouldn't be able to serve homeowners in Denver.
Work Quality
We're willing to bet that you're looking for professionals who do a great job installing windows. We've vetted each installer featured on this list to make sure its technicians are well-qualified and that the company has received plenty of positive customer feedback to vouch for its service.
Customer Reviews
We analyzed trends in recent online reviews to determine the companies with the most customer satisfaction. Customer satisfaction may be the most important factor, as it reflects the quality of services across nearly every category, including warranty, quality of parts, cost, professionalism, quality of installation and more.
Cost
This one is a give-and-take: similar to other services, cheap window companies are not going to provide the highest quality service. Still, we want to make sure we're highlighting companies that provide a wide range of price and financing options so they're accessible to most homeowners.
Warranty
As discussed previously, windows are a substantial investment, so you'll want to make sure that investment is protected. Window installation companies that give you lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Because of Denver's climate, homeowners need to be wary of low efficiency, rot and water damage. We factored in local experience to reflect the ability of Denver window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.
Denver, NC Window Replacement FAQs
How much does a window install cost?
The average cost of installing a single window ranges between $450 and $650. There are several factors that influence the cost, such as how energy-efficient the windows are, local labor costs, your property's location, the materials used in designing the windows, styles and sizes of windows and the number of windows.
What kind of window is the most energy-efficient?
A window's energy efficiency depends on a number of factors, such as the quality of the installation and what kind of window it is. Look for Energy Star Certified windows — these are typically the most energy-efficient and are certified by the U.S. Department of Energy.
What do window installers do?
Window installation companies cover the entire process — from replacing your old windows with new ones to cleaning up after the installation. In addition, many companies offer window manufacturing, customization and repairs.
What time of year should I replace my windows?
Replacement windows can be installed during any season, but autumn might be best. No matter when you install them, the contractors will take steps to make sure that too much hot or cold air doesn't get into the home, so the temperature outside doesn't necessarily matter that much. What's more important than the temperature is that the weather should be dry.
How do you know it's time to replace your windows?
Windows have an average lifespan of about 20 to 30 years. If your windows are older than that, they should probably be replaced. Other than that, if your windows have damage anywhere on them, or they have become difficult to operate, they may be in need of replacement.