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Best Window Replacement Companies in Duluth, MN

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Written By Max Peterson|Last Updated: May 18, 2024

The chilly Duluth winters require dependable windows to keep cold air out and warm air in. If your windows are getting old or showing signs of damage, it's likely time to install new ones. Working with a certified window company will help you get a top-quality outcome and help you steer clear of costly mistakes from attempting to handle the job yourself.

Top Pick
  • Full-service installation
  • Large window selection
  • Nearly 30 years of experience
Most Customizable
  • Full-service remodeling
  • 96% satisfaction rate
  • More than 30 years of experience
Best Window Selection
  • Free Quotes
  • 2022 J.D. Power award winner
  • Materials sourced within the U.S.

Top 6 Duluth Window Installation Companies

We've put together this list of contractors that specialize in window replacement in Duluth.

Duluth residents can trust the This Old House Reviews Team to provide relevant and up-to-date window replacement company recommendations in their area. To determine which installers are the best, we focus on these five criteria:

  • Product quality
  • Energy-efficiency guarantees
  • Services and warranties
  • Professional experience and licensure
  • Customer reviews and recommendations
The Glass Guru Logo

The Glass Guru

Based on 80 customer reviews.

Services Offered

Vinyl FramesWood FramesTriple Pane GlassScreen RepairMirrorsWindow Replacement/installationMetal FramesSkylightsFiberglass FramesGlass DoorsTempered GlassStorm/impact WindowsCustom GlassWindow RepairGlass RepairEnergy-Efficient OptionsGlass Showers


  • Timely service
  • Price transparency
  • Educational website
102 E Central Entrance, Duluth, MN 218-309-5928 theglassguru.com
Your Home Improvement Company - Windows & Bath Logo

Your Home Improvement Company - Windows & Bath

Based on 195 customer reviews.

Services Offered

Window Replacement/installationDouble-HungGlass ShowersEnergy-Efficient OptionsGlass DoorsVinyl FramesBay Windows


  • Educational website
  • Free assessment
  • Good customer service
4434 Haines Rd, Duluth, MN 218-727-1753 yourhomeimprovementco.com
Perrault Construction Logo

Perrault Construction

Based on 46 customer reviews.

Services Offered

Window Replacement/installation


  • Good customer service
  • Price transparency
  • Free assessment
3009 W Superior St, Duluth, MN 218-723-8477 perraultconstruction.com
Walsh Building Products Logo

Walsh Building Products

Based on 17 customer reviews.

Services Offered

Vinyl FramesGlass DoorsWindow Replacement/installation


  • Price transparency
6430 Grand Ave, Duluth, MN 218-722-2030 walshwindows.com
Mesabi Glass Window & Door Inc Logo

Mesabi Glass Window & Door

Based on 27 customer reviews.

Services Offered

Glass DoorsEnergy-Efficient OptionsGlass RepairWindow Replacement/installation


  • Educational website
  • Good customer service
  • Price transparency
510 W 25th St, Hibbing, MN 218-379-1338 mesabiglasswindowanddoor.com
New window replacement installed in a home

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Facts about Duluth
Annual Energy Efficient Windows Savings:$607
Average Max Temp:48°F
Average Min Temp:31°F
Average Daily Sunlight:48%
Average Annual Snowfall:69.6"
Average Monthly Precipitation:2.25"

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This Old House empowers homeowners with the knowledge and tools they need to tackle various projects and navigate the complexities of homeownership.

How To Choose a Window Company in Duluth

An exceptional reputation is important when it comes to choosing a window replacement company. However, your chosen company should also match your priorities and appreciate your vision. Consider the following factors during your company search:

Window Cost by Type

Replacing your windows is a significant undertaking, so balancing cost with quality is important. Although premium windows may be more expensive to buy, they often provide better long-term value due to their longer lifespan. The overall cost of your window replacement will depend on the specific styles, sizes, and materials you need. Simple double-hung windows deliver great value with their straightforward style and simple mechanisms, while a sweeping, custom-size picture window will cost more. An installer can help you with selecting the solutions that fit your preferences.

This table shows average prices for various window types to give you an idea of what to expect.

Window TypesAverage Cost
Glass Block$43-$548

Window Material Cost

Materials also help determine a window's cost. You might choose a material based on your desired look, your energy efficiency goals, and the local climate. For example, wooden windows can give your home an organic design without breaking the bank, but you'll have to invest more toward maintenance. Aluminum and composite windows cost more up-front, but they're incredibly durable against the elements, so you'll spend far less on maintenance.

Window TypesAverage Cost

Other Window Replacement Costs

Ask each window installer you're evaluating about warranty fees, labor costs, and permit fees. This will help you get a better picture of the financial commitment involved in the project.

Experience and Training

Select a provider that focuses on window installation and repair, and look for this information on its website:

  • How long it's been in business
  • Photo galleries of projects its crews completed
  • Official non-government certifications attesting to its workmanship
The more experience a company has, the better its service and workmanship.

Licensing and Credentials

In the North Star State, installing windows and doors is considered carpentry, and businesses need either a remodeler or residential building contractor license from the Department of Labor and Industry. A business representative must successfully complete a pre-application exam, provide copies of business filings, and take continuing education classes every two years once certified. If a window installation company makes $15,000 or less per year, it can request a Certificate of Exemption in place of a license.

Types of Windows Offered

There are numerous replacement window types you can choose from, and it's vital to find a company that specializes in the ones you want. Browse a company's website and reviews for any of these types:

Equally important to your desired windows' shape is their framing. Ask your window provider if it offers the frame material you want, such as aluminum, fiberglass, composite, wood, or vinyl.

Customer Feedback

One of the simplest ways to screen a company is to see what other customers have written about their experiences. You can find customer reviews on websites like Google, the BBB, Yelp, and Trustpilot. Ask people you know who have used the company you're evaluating, and ask a representative for professional references.

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Frequently Asked Questions About Window Replacement in Duluth

What are the benefits of hiring a window installer?

Window replacement is a big purchase that greatly impacts your home's comfort and energy efficiency. Hiring a reputable window contractor to supervise your project ensures your windows will be properly installed, perform optimally, and be properly sealed. Companies also typically include a guarantee that addresses required maintenance and most needed fixes.

How can I fix a rotting or molding window frame?

Mold and rot like to set in due to moisture issues or water damage. Fortunately, you might not need to replace your windows to solve this annoying and unsightly issue. An expert can remove the rot or mold, restore the affected area, and reestablish the tight seal your windows need to operate at their best.

How can I gauge the quality of a replacement window?

One of the first metrics you'll see when looking at a replacement window is its U-factor. The lower this number, the better the window is at preventing extreme cold and heat from entering your home. Other numbers to evaluate include:
  • "visible transmittance," which indicates how much light enters through the window
  • "solar heat gain coefficient," which measures how much UV light the window absorbs and releases as heat
  • "Condensation resistance," which determines how well a window can resist moisture (the higher the number, the better)
  • "Air leakage," which measures how easy it is for air drafts to occur (the lower the number, the better)

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

More Window Resources

National Windows Company Ranking Methodology


Energy Star