20 Best Window Companies in Louisville, CO (2024 Reviews)

If you’re thinking about getting new windows, our guide to the top window installation companies can help.

We analyzed all the top-rated window companies in Louisville and selected the best 20 based on:

  • Customer reviews
  • Window installation expertise
  • Popularity with home-owners like you
EcoWatch Local Advisors

By EcoWatch Local Advisors

Updated April 21, 2024

Why you can trust EcoWatch

Our panel of energy experts work tirelessly to create unbiased reviews and informative content to help homeowners make educated decisions. No other windows site has covered energy efficiency and sustainability as long as EcoWatch, which means we're going to help you find windows replacements that will save on your energy bill and put more money back in your wallet.

The EcoWatch Reviews team is all about finding solutions for eco-conscious homeowners in Louisville. If your house has outdated, drafty windows, your HVAC system could be working extra hard to heat or cool your home. This means spending more on energy bills.

Replacement windows improve the insulation in your home, not only making you and your family more comfortable during the summer and winter, but also saving you money and helping the environment.

Efficient windows are especially important in Louisville, where the temperature varies throughout the year. According to Energy Star, switching to energy-efficient windows can save the average homeowner up to $457 each year.

Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house
Buy One Window, Get One 40% OFF
Get Estimate

Best Energy-Efficient Features

Champion

★★★★★
4.5
  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty
Buy 2 Windows, Get 2 Free
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best Window Installation & Replacement Companies in Louisville

The EcoWatch Reviews team examined dozens of installers in Louisville to find the top ones for our readers. The installers in this article scored best in our categories, including energy-efficient offerings, availability, customer service, price and more.

Window World logo
FAST QUOTE
as little as 30 seconds
Best Affordability

Window World

★★★★★
BBB Rating: A+
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon EnergyStar Partner
  • Pros icon Large serice area
  • Pros icon Low prices relative to competitors
  • Pros icon Great industry reputation
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Quality of service will depend on your area

Window World has windows expertise in Louisville. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This provider has 27 years of experience in the window installation industry, and it has become one of the most reputable companies in Louisville. Many positive reviews from customers online back the company's reputation.

It has established itself as a company that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.

Energy Efficiency of Window World Windows

There are a wide range of window types available from Window World, some of which are Energy Star products. 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 Louisville?

Prices are not available on Window World’s website because the cost of window installment varies greatly depending on how many and what type(s) of windows you need. However, it's known for offering some of the most affordable window installations around. For more detailed information on the cost, you can request a quote from the company.

Renewal by Andersen logo
FAST QUOTE
as little as 30 seconds
Best Overall

Renewal by Andersen

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Great industry reputation
  • Pros icon Award-winning company
  • Pros icon Member of US Green Building Council
  • Pros icon Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty
  • Pros icon More expensive than competition

Renewal by Andersen has the best availability in Louisville. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This provider has 27 years of experience in the window installation industry, and it has become one of the most reputable companies in Louisville. Many positive reviews from customers online back the company's reputation.

It has established itself as a company 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 Windows

There are a wide range of window types available from Renewal by Andersen, some of which are Energy Star products. A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019.

How much does Renewal by Andersen cost in Louisville?

Prices are not available on Andersen’s website because the cost of window installment varies greatly depending on how many and what type(s) of windows you need. However, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. For more detailed information on the cost, you can request a quote from the company.

Universal Windows Direct logo
FAST QUOTE
as little as 30 seconds
Best Warranty

Universal Windows Direct

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 2002
Pros:
  • Pros icon Makes charitable contributions
  • Pros icon Manufactures products in-house
  • Pros icon Wide variety of products and services
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Limited service area
  • Pros icon Some installations carried out by third-party contractors
  • Pros icon Quality of service will depend on your area

Universal Windows Direct has the best warranty in Louisville. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. This provider has 20 years of experience in the window installation industry, and it has become one of the most reputable companies in Louisville. Many positive reviews from customers online back the company's reputation.

It has established itself as a company that has an industry-leading warranty covering products, parts and workmanship for life.

Energy Efficiency of Universal Windows Direct Windows

There are a wide range 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 Louisville?

Prices are not available on Universal’s website because the cost of window installment varies greatly depending on how many and what type(s) of windows you need. However, 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. For more detailed information on the cost, you can request a quote from the company.

Please note that the companies in this section are national, which means the quality of the service may depend on your local team. We have tried to stay unbiased and transparent by including both pros and cons for every provider.

More Window Companies in Louisville

Renewal by Andersen Window Replacement

Longmont, CO
4.8
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Double-Hung
  • Service icon Vinyl Frames
  • Service icon Metal Frames
  • Service icon Window Replacement/Installation
  • Service icon Custom Window Designs
  • Service icon Glass Doors
  • Service icon Bay Windows
  • Service icon Energy-Efficient Options

Website: https://fortcollinswindow.com/
Address: 14330 Longs Peak Ct, Longmont, CO 80504
Phone: (970) 305-5060

Champion Replacement Windows of Denver

Denver, CO
4.4
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Doors
  • Service icon Window Replacement/Installation
  • Service icon Double-Hung
  • Service icon Bay Windows

Website: https://www.championwindow.com/Denver/
Address: 10035 E 40th Ave Suite 400, Denver, CO 80238
Phone: (303) 800-2129

Champion Replacement Windows of Ft. Collins

Loveland, CO
4.5
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Bay Windows
  • Service icon Glass Doors
  • Service icon Double-Hung
  • Service icon Window Replacement/Installation

Website: https://www.championwindow.com/Ft-Collins/
Address: 5850 Byrd Dr, Loveland, CO 80538
Phone: (970) 744-2604

Power Home Remodeling

Centennial, CO
4.4
★★★★★
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options

Website: https://powerhrg.com/
Address: 7304 S Joliet St #100, Centennial, CO 80112
Phone: (303) 357-2484

Window World of Denver

Denver, CO
4.5
★★★★★
  • Pros icon Timely Service
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Glass Doors
  • Service icon Custom Window Designs
  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation
  • Service icon Double-Hung
  • Service icon Bay Windows
  • Service icon Triple Pane Glass

Website: https://www.windowworldcolorado.com/
Address: 480 E 76th Ave Bldg 5E, Denver, CO 80229
Phone: (303) 574-9594

DaBella

Denver, CO
4.5
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Timely Service

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Double-Hung
  • Service icon Vinyl Frames
  • Service icon Glass Doors

Website: https://dabella.us/location/colorado/
Address: 6600 E Hampden Ave, Denver, CO 80224
Phone: (720) 619-8704

Window Nation

Aurora, CO
3.2
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation
  • Service icon Double-Hung
  • Service icon Bay Windows
  • Service icon Glass Doors
  • Service icon Custom Window Designs

Website: https://www.windownation.com/denver-window-replacement/
Address: 2450 Airport Blvd, Aurora, CO 80011
Phone: (720) 409-0170

BlueBird Windows & Doors

Lafayette, CO
4.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

  • Service icon Bay Windows
  • Service icon Glass Doors
  • Service icon Double-Hung
  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options

Website: https://www.gobluebirdco.com/
Address: 1200 Diamond Cir Unit J, Lafayette, CO 80026
Phone: (303) 810-2888

Slade Glass Co.

Boulder, CO
4.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Repair
  • Service icon Glass Showers
  • Service icon Window Replacement/Installation
  • Service icon Mirrors

Website: http://sladeglass.com/
Address: 1770 38th St, Boulder, CO 80301
Phone: (303) 276-1550

Ameritech Windows

Boulder, CO
4.7
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Bay Windows
  • Service icon Glass Doors
  • Service icon Double-Hung
  • Service icon Triple Pane Glass
  • Service icon Custom Window Designs
  • Service icon Window Replacement/Installation

Website: https://www.ameritechwindows.com/
Address: 1310 College Ave #400, Boulder, CO 80302
Phone: (303) 444-1998

A&M WINDOW SERVICE

Northglenn, CO
4.7
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Repair
  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Glass Doors
  • Service icon Mirrors
  • Service icon Window Repair

Website: http://amwindow.com/
Address: 405 W 115th Ave Unit 2, Northglenn, CO 80234
Phone: (303) 450-2200

Colorado Classic Exteriors: Windows, Doors, Pergolas

Arvada, CO
4.7
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Glass Doors

Website: http://coloradoclassicexteriors.com/
Address: 7985 Vance Dr #202, Arvada, CO 80003
Phone: (720) 457-5536

Performance Windows

Broomfield, CO
4.6
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement/Installation

Website: https://www.goperformancewindows.com/
Address: 590 Burbank St, Broomfield, CO 80020
Phone: (720) 440-2168

Glass Doctor Home + Business of Boulder

Boulder, CO
4.1
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Doors
  • Service icon Mirrors
  • Service icon Window Replacement/Installation
  • Service icon Window Repair
  • Service icon Custom Glass
  • Service icon Tempered Glass
  • Service icon Glass Showers
  • Service icon Energy-Efficient Options
  • Service icon Glass Repair

Website: https://glassdoctor.com/boulder-home-business
Address: 5649 Arapahoe Ave Unit N, Boulder, CO 80303
Phone: (303) 444-4527

WestPro | Roofing, Siding, Windows

Longmont, CO
4.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Storm/Impact Windows
  • Service icon Window Replacement/Installation
  • Service icon Skylights
  • Service icon Glass Doors

Website: https://westproroofing.com/
Address: 1321 Sherman Dr, Longmont, CO 80501
Phone: (303) 834-9236

KV Windows Inc.

Westminster, CO
4.6
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Timely Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Bay Windows
  • Service icon Double-Hung
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: https://kvwindowsinc.com/
Address: 3660 W 73rd Ave, Westminster, CO 80030
Phone: (720) 535-9629

True View Windows & Glass

Westminster, CO
4.7
★★★★★
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Doors
  • Service icon Tempered Glass
  • Service icon Window Replacement/Installation
  • Service icon Window Repair
  • Service icon Mirrors
  • Service icon Glass Showers

Website: https://www.trueviewglass.com/
Address: 3200 W 71st Ave #20, Westminster, CO 80030
Phone: (720) 431-8783

Colorado Glass and Mirror LLC

Denver, CO
4.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Mirrors
  • Service icon Custom Glass
  • Service icon Window Repair
  • Service icon Glass Showers

Website: https://mycoloradoglass.com/
Address: 1400 W 70th Ave, Denver, CO 80221
Phone: (303) 477-0082

United Windows & Siding

Wheat Ridge, CO
4.8
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Bay Windows
  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options
  • Service icon Vinyl Frames
  • Service icon Double-Hung

Website: https://www.unitedwindowsandsiding.com/
Address: 12090 Ridge Rd Unit B, Wheat Ridge, CO 80033
Phone: (720) 535-4767

Glass Doctor of Wheat Ridge

Wheat Ridge, CO
4.8
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation
  • Service icon Window Repair
  • Service icon Glass Showers
  • Service icon Custom Glass
  • Service icon Glass Repair
  • Service icon Mirrors

Website: https://glassdoctor.com/wheat-ridge
Address: 10790 W 50th Ave Ste 800, Wheat Ridge, CO 80033
Phone: (303) 792-8225
Louisville Window Cost Calculator

Calculate how much you can expect to pay for window installation and replacement in Louisville, CO using our customized window cost calculator.

Estimated Window Cost:
161 homeowners have requested a free estimate in the last 3 days.

Estimates will vary based on window dimensions and other unique factors to your home. Getting in touch with a local window installer is the best way to get an accurate cost estimate for your home.

How Installing Energy-Efficient Windows in Louisville Saves You Money

When you switch to energy-efficient windows, you may see several benefits, including:

  • Save on energy bills: Because energy-efficient windows decrease how much energy you need to heat or cool your home, the switch can help you save around $457 annually on your energy bills in Louisville.
  • Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which not only insulate your home better, but also filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
  • Protect your investment: If you have an older home, your windows are most likely outdated. Upgrading your windows can improve the insulation in your home and also help raise the value of your home if you decide to sell.
  • Decrease your carbon footprint: You can reduce your carbon footprint by about 12% once you install Energy Star certified windows. In Louisville, that’s about 460 pounds per year on average.

Estimated Cost of Window Replacement in Louisville

Windows come in varying shapes and sizes, so costs and services will differ greatly. Here are the typical costs and services that you can find from window installation companies.

How Much Do New Windows Cost?

According to our market research, the national average cost to replace a single window is around $600. However, window replacement costs can range from $200 to $1,200 a window. These amounts vary based on the specifics of your installation, including material, type, number of windows, size, the location of your home and more.

It’s also worth bearing in mind that energy-efficient windows will typically cost more upfront, but Energy Star predicts that upgrading the windows on your Louisville home can mean an average energy savings of $236 to $319 per year for single-pane window replacement, or between $87 to $126 each year for double-pane windows. The amount of money you’ll save by switching to energy-efficient windows depends on your local climate, energy rates and other factors unique to your home.

The cost of your window installation will also vary depending on the type of material you choose for the frames. Wood windows are usually the most expensive, though it depends on whether they are solid wood or clad with aluminum or vinyl. Fiberglass windows also tend to be a bit more expensive than vinyl, but they are more efficient.

What Services do Window Installers Offer?

There are typically two types of window replacement services: full-frame and pocket installations.

A full-frame installation replaces the total window, such as the sill, frame, trim and the window panes. Because this type of installation requires more time and labor, it will cost more than a pocket installation. Pocket installations (also known as retrofits) are when you replace a window without replacing the frame. Pocket installations are simpler and will be less expensive, but you can’t do this kind of installment if you have any pre-existing rot or water damage.

Your window installer can help you figure out which type of installation you need.

Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house
Buy One Window, Get One 40% OFF
Get Estimate

Best Energy-Efficient Features

Champion

★★★★★
4.5
  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty
Buy 2 Windows, Get 2 Free
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

How We Choose the Best Window Installers in Louisville

EcoWatch reviews are different from other reviews since we examine these companies through a sustainability lens. Along with energy efficiency, we assessed window companies all across the state and ranked them using the following methodology:

Service Area

This one is self-explanatory, but we’ve chosen to highlight window installation companies that serve Louisville so you can find the right window installation company near you.

Work Quality

When choosing new windows, the quality and range of services often plays just as important of a role in insulation and performance as the brand of window you choose. We do give window installers more points if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.

Customer Reviews

Another self-explanatory yet very important review factor is customer feedback. If the majority of customers don’t have nice things to say about their service from a certain installer, you won’t see it featured on EcoWatch.

Cost

Cheaper windows certainly don’t mean better windows, but we know many of our readers want to keep costs as low as possible. When analyzing providers’ prices, we awarded higher points to companies with reasonable prices and accessible financing rather than “cheaper” services.

Warranty

As discussed, windows are a sizable investment, so you’ll want to make sure that investment is protected. Window installation companies that offer lengthy warranties for products, parts and labor rank higher with EcoWatch.

Years of Experience

Because of Louisville’s climate, homeowners will want to mitigate low efficiency, water damage and rot. We factored in local experience to reflect the ability of Louisville window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.

Louisville, CO Window Replacement FAQs

What is the average cost to install new windows?

The national average cost of installing a window is around $600 but can range between $200 and $1,200, based on a few different factors. The price is generally influenced by the type and material of the window, the size of the window and the location of your property. Also, bear in mind that energy-efficient windows may cost more initially but can save you a decent amount of money a year in energy bills.

What are the most common kinds of replacement windows?

The most common types of windows for homes are picture windows, awning windows, casement windows, double-hung and single-hung windows, bay windows, transom windows and slider windows.

What services do window installation companies provide?

Window installation professionals visit your home to remove your old windows and replace them with new ones. Some providers install products sold by other companies, whereas others are both manufacturers and installation companies combined. The installer will also clean up after the installation is finished.

How often should you replace your windows?

Windows have a typical lifespan of about 20 to 30 years. If your windows are older than that, they should probably be replaced. Apart from that, if your windows have damage anywhere on them, or they have become difficult to open or close, they may be in need of replacement.

Should I replace my windows all at the same time?

If you’re upgrading your windows to get more efficient windows, replacing all of the windows at once is the only way to see a noticeable difference. However, if you have only a few windows that are broken or drafty, you can replace just those.