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10 Best Window Replacement Companies in Boulder, CO

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Written By David Cusick

Last Updated June 2024

Whether you're tackling home renovation projects or simply need a change, upgrading your windows is a great idea. Your windows play an important role in your home's value and its energy efficiency. According to the Department of Energy, heat gained or lost through drafty windows could be responsible for 25–30% of the heating and cooling costs in your home. By upgrading to energy-efficient windows, you could save an extra $457 on your electricity bills annually in Boulder. When looking for a window installation company, it's important to choose the right one, which is why we've assembled this guide to the best window installers in Boulder.

Our Recommended Providers

Top Pick
4.3/5
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  • Transparent pricing
  • Award winning company
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty
Best Quality Window Frames
4.1/5
  • Great quality
  • Free assesment
  • Timely Service

Top 10 Best Window Replacement Companies in Boulder

Champion Replacement Windows of Denver

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10035 E 40th Ave Suite 400, Denver, CO 80238 (303) 800-2129 championwindow.com

Free assessment

Price transparency

Price you're quoted is the price you pay

Award_winning

Products made in the usa

Good customer service

Energy star® certified

Services Offered

Window replacement/installation
Bay windows
Glass doors
Double-hung

Champion Replacement Windows of Ft. Collins

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5850 Byrd Dr, Loveland, CO 80538 (970) 744-2604 championwindow.com

Price transparency

Price you're quoted is the price you pay

Free assessment

Award_winning

Good customer service

Products made in the usa

Energy star® certified

Services Offered

Double-hung
Window replacement/installation
Bay windows
Glass doors

Power Home Remodeling

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7304 S Joliet St #100, Centennial, CO 80112 (303) 357-2484 powerhrg.com

Safety-enhanced windows

Lifetime labor warranty

Good customer service

Heat-reflective & leak-resistant technology

Services Offered

Energy-efficient options
Window replacement/installation

Renewal by Andersen Window Replacement

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14330 Longs Peak Ct, Longmont, CO 80504 (970) 305-5060 fortcollinswindow.com

Price transparency

Free assessment

Good customer service

Services Offered

Custom window designs
Vinyl frames
Double-hung
Metal frames
Window replacement/installation
Bay windows
Energy-efficient options
Glass doors

DaBella

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6600 E Hampden Ave, Denver, CO 80224 (720) 619-8704 dabella.us

Wide range of styles

Good customer service

Triple-pane vinyl windows

Award_winning

Timely service

Customized to your home

Services Offered

Window replacement/installation
Glass doors
Vinyl frames
Double-hung

Ameritech Windows

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1310 College Ave #400, Boulder, CO 80302 (303) 444-1998 ameritechwindows.com

Price transparency

Educational website

Good customer service

Timely service

Free assessment

Services Offered

Bay windows
Custom window designs
Triple pane glass
Window replacement/installation
Energy-efficient options
Double-hung
Glass doors

Glass Doctor Home + Business of Boulder

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5649 Arapahoe Ave Unit N, Boulder, CO 80303 (303) 444-4527 glassdoctor.com

Price transparency

Good customer service

Educational website

Services Offered

Window replacement/installation
Glass doors
Tempered glass
Glass showers
Custom glass
Window repair
Mirrors
Glass repair
Energy-efficient options

Slade Glass Co.

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1770 38th St, Boulder, CO 80301 (303) 276-1550 sladeglass.com

Educational website

Charitable_giving

Price transparency

Good customer service

Free assessment

Services Offered

Mirrors
Glass repair
Glass showers
Window replacement/installation

BlueBird Windows & Doors

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1200 Diamond Cir Unit J, Lafayette, CO 80026 (303) 810-2888 gobluebirdco.com

Educational website

Good customer service

Free assessment

Price transparency

Services Offered

Bay windows
Energy-efficient options
Glass doors
Double-hung
Window replacement/installation

Smart Windows

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740 S Pierce Ave # 5, Louisville, CO 80027 (720) 287-3210 smartwindowsco.com

Good customer service

Free assessment

Educational website

Price transparency

Services Offered

Bay windows
Window replacement/installation
Tempered glass
Glass doors
Mirrors
Double-hung
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Boulder?

The cost of window installation or replacement will be influenced by a number of factors, including how difficult your windows are to access or install, the number and size of the windows, and the materials you choose. On average, homeowners in Boulder will spend around $270 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

Installing new energy-efficient windows can significantly enhance your home's noise reduction, appearance, comfort, insulation, and value. Some clear indicators it's time for new windows include the following:

  • Windows that are difficult to close, open, or lock properly due to age and wear.
  • High energy bills and discomfort due to poor insulation.
  • Inefficient and outdated window styles that take away from your home’s curb appeal.
  • Drafts and cold air coming in through old, loose-fitting windows.
  • Fogging between window panes, condensation issues, or rotting window frames allowing moisture intrusion into the home.

How To Choose a Window Company

Finding a truly qualified windows installation contractor is critical to a successful project. Below, we cover the most important considerations when it comes to making your selection.

Experience

Look for reputable local companies with a long track record of experience successfully installing all types of windows. These providers are more likely to have a deep knowledge of Boulder's climate and local homeowner needs. Request references from recent clients to verify quality and experience.

Certifications

Select an installer that is accredited by leading window companies and associations like the Fenestration and Glazing Industry Alliance, formerly known as the AMMA. Proper certification indicates that a contractor is trained in best practices for installation. Confirm that installers are staff rather than subcontracted workers, and verify that any technicians working on your project are certified.

Reputation

Spend time reviewing online feedback, verifying with the Better Business Bureau (BBB), and asking for local references. Review customer feedback to verify that the company delivers consistent quality workmanship and great service. Avoid companies with complaints of shoddy work or unfinished jobs.

Process

A quality provider will give you a comprehensive project plan, reasonable timeline, clear expectations, and an overview of all material and installation options. Avoid providers that offer vague quotes or timelines. Insist on regular contact throughout the process, so you aren't caught off guard later on.

Warranties

Research contractors that back their work with guarantees and provide warranties on labor and materials. This demonstrates trust in their window installations. Look for unlimited lifetime warranties that can be transferred to new homeowners.

Materials

Ensure your provider works with durable, energy-efficient window brands that fit your budget. Look for design flexibility, good energy ratings, and enhanced UV protection. Confirm the window materials come with their own manufacturer warranties as well.

Frequently Asked Questions About Window in Boulder, CO

In Boulder, the ideal time to install windows is during the early fall when the temperature is milder, so the windows can seal and settle properly. A professional local window installer in Boulder will be able to tell you when the best time is to install windows on your house.

The best type of replacement window for your Boulder home will vary based on your home's age, as well as your style preference and budget. You'll want to consider the style of your home — such as if it's newer — so your new windows match. Wood windows can provide a classic look and appearance, while vinyl windows tend to be popular in newer homes. Fiberglass windows are also a popular choice, as they are energy efficient and durable.

The types of window that generally last longest are ones made of vinyl or wood, with double glaze for extra insulation. Vinyl windows are known for their long-lasting nature and require minimal maintenance, while wood windows offer a more classic look. Tripling up on the glazing will help reduce heating and cooling bills over time. This is especially helpful during Boulder's cold winters.

The process for window installation typically includes measuring the space, removing the old windows, installing the new windows, checking for proper sealing, and applying caulk around the edges of the frames. Extra steps may be necessary depending on the type of window being installed.

In some cases, you can replace your own windows, but it's better to hire a professional. It's important to consider the local temperature when replacing windows, as it will impact the process. For example, the temperatures in Boulder can reach an average low of 37, so you should think about energy-efficient windows that can deflect from the cold. It's also important to measure correctly and understand the instructions for installation. Hiring a professional for your window replacement project will guarantee that everything is done correctly.

After window installation, it's important to inspect the windows for any air leaks and make sure they're properly sealed. You should also wash the windows regularly to prevent debris from accumulating and leading to damage. Additionally, you should inspect the window sills and frames regularly to make sure that the seals are not deteriorating or cracking.

Yes, many window companies offer financing for their services. Different companies have different financing options, so you should do your research to find the best option for you. Depending on your income level, which is a median of $80,243 a year in Boulder, you may be able to qualify for lower interest rates.

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