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10 Best Window Replacement Companies in Missoula, MT

More than 380 people have received a free quote in the last 60 days.

Last Updated: February 25, 2025

Whether you're making significant home repairs or are simply in need of a change, upgrading your windows is a great idea. Your windows play an important role in your home's value and its energy efficiency. If your windows are outdated or damaged, 25–30% of your house’s heat or cool air could be leaking out, according to the Department of Energy. In Missoula, this can add an extra $374 a year on your power bills. If you can't decide between window installers, this is the best place to get started. Keep reading to find the best window installation companies in Missoula.

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.
Top Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty
Best Customer Service
4.0/5
  • Award winning company
  • Products made in the US
  • Knowledgeable sales representatives

Top 10 Best Window Replacement Companies in Missoula

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

DaBella

DaBella Logo

Our Rating

User Rating

2685 Palmer St Suite A, Missoula, MT 59808 (406) 420-6630 dabella.us

Timely service

Good customer service

Services Offered

Window replacement/installation
Double-hung
Vinyl frames
Glass doors

Your Home Improvement Company - Windows & Bath

Your Home Improvement Company - Windows & Bath Logo

Our Rating

User Rating

2901 Brooks St Suite J3A, Missoula, MT 59801 (406) 206-8049 yourhomeimprovementco.com

Educational website

Good customer service

Free assessment

Price transparency

Services Offered

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

Pella Windows & Doors of Missoula

Pella Windows & Doors of Missoula Logo

Our Rating

User Rating

2800 S Reserve St, Missoula, MT 59801 (406) 542-3840 pellamt.com

Educational website

Free assessment

Good customer service

Services Offered

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

Glass Doctor of Missoula

Glass Doctor of Missoula Logo

Our Rating

User Rating

1015 Waverly St, Missoula, MT 59802 (406) 549-9091 glassdoctor.com

Good customer service

Educational website

Price transparency

Services Offered

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

Valley Glass

Valley Glass Logo

Our Rating

User Rating

109 Ridgewater Dr, Polson, MT 59860 (406) 883-5055 valleyglassmt.com

Good customer service

Price transparency

Services Offered

Tempered glass
Skylights
Window replacement/installation
Metal frames
Glass showers
Vinyl frames
Glass doors
Energy-efficient options
Mirrors

Shaded Window Coverings

Shaded Window Coverings Logo

Our Rating

User Rating

4461 Ludwig Ln, Stevensville, MT 59870 (406) 361-7420 shadedwc.com

Price transparency

Good customer service

Free assessment

Educational website

Services Offered

Custom window designs
Window replacement/installation

Montana Glass

Montana Glass Logo

Our Rating

User Rating

550 Hawthorne St, Missoula, MT 59802 (406) 728-3180 montanaglass.biz

Good customer service

Free assessment

Price transparency

Services Offered

Window repair
Energy-efficient options
Skylights
Window replacement/installation

Missoula Glass

Missoula Glass Logo

Our Rating

User Rating

5656 W Harrier, Missoula, MT 59808 (406) 926-1818 missoulaglass.com

Price transparency

Free assessment

Good customer service

Services Offered

Mirrors
Window replacement/installation
Custom window designs
Glass showers
Skylights

Integrity Window & Door

Integrity Window & Door Logo

Our Rating

User Rating

2311 S 3rd St W, Missoula, MT 59801 (406) 541-0899 missoulawindows.com

Price transparency

Free assessment

Educational website

Good customer service

Services Offered

Glass doors
Window replacement/installation

Sierra Pacific Windows

Sierra Pacific Windows Logo

Our Rating

User Rating

3501 W Broadway St #4, Missoula, MT 59808 (406) 728-6142 sierrapacificwindows.com

Price transparency

Educational website

Good customer service

Services Offered

Window replacement/installation
Double-hung
Bay windows
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 Missoula?

Window installation and replacement costs depend on a number of factors, including the number and size of the windows, how difficult your windows are to access or install, and the materials you choose. On average, homeowners in Missoula will spend roughly $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 comfort, value, appearance, noise reduction, and insulation. Some clear signs it's time to invest in new windows include the following:

  • A chilly house and high energy bills due to poor insulation around windows.
  • Drafts and cold air coming in from old, loose-fitting windows.
  • Windows that are hard to close, open, or lock properly due to age and wear.
  • Fogging between window panes, condensation issues, or rotting window frames that let in moisture.
  • Inefficient and outdated window styles that reduce your house's curb appeal.

How To Choose a Window Company

Hiring a qualified windows installation contractor is critical to a successful project. Below, you'll learn the main factors to consider when deciding which company to hire.

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 understand Missoula's climate and your requirements. Ask for references from recent clients to verify quality and experience.

Certifications

Choose an installer that’s accredited like major window manufacturers, and that has Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Proper certification shows they've received appropriate instruction in installation best practices. Verify that installers are staff rather than subcontractors, and confirm that any technicians working on your home have certification.

Reputation

Spend time going through online reviews, checking the Better Business Bureau, and asking for references from people in your area. Review customer feedback to make sure that a company consistently does quality work and provides good service. Avoid companies with complaints of poor work or unfinished jobs.

Process

A reputable window installer will be able to provide a complete project plan, reasonable timelines, clear expectations, and an overview of all material and installation options. Avoid companies that provide vague quotes or schedules. Ask for continual contact throughout to avoid surprises once installation is underway.

Warranties

Look for window installers that assure quality installations and provide warranties on labor and materials. This demonstrates confidence in their work. Select companies with unlimited lifetime warranties that transfer to new homeowners.

Materials

Verify that your window company works with trusted, long-lasting brands, offers power-saving window options, and fits your budget. Look for window options with enhanced UV protection, design flexibility, and good energy ratings. Check whether the materials come with their own manufacturer warranties.

Frequently Asked Questions About Window in Missoula, MT

In Missoula, the best time to install windows is when temperatures are mild, generally between the spring and fall. This enables installers to work without having to worry about extreme temperatures.

The best type of replacement window for your Missoula home will depend 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 give a traditional look and appearance, while vinyl windows are more popular in newer homes. Fiberglass-framed windows are also a popular choice, since they are energy efficient and durable.

Windows made from vinyl, fiberglass, or wood tend to last the longest, with some lasting up to 45 years. Vinyl windows are especially durable and low-maintenance, making them an excellent choice if you want windows that can last a long time. Extra glazing can help reduce your cooling and heating bills in the long run. This is especially helpful during Missoula's cold winters.

It varies on your specific needs and budget, but generally it's recommended to replace all your windows at once if they're not energy efficient. Replacing all your windows at once guarantees that you'll get the most out of your energy efficiency and can potentially save you money in the long run. This is important in Missoula, where the average energy bills are roughly $1,245 a year.

After window installation, it's important to make sure that the windows are properly sealed and to check for any air leaks. You should also wash the windows regularly to prevent debris from building up and leading to damage. Additionally, if you live in an area with a lot of rainfall, you should inspect the window sills and frames once a year to make sure that the seals are not wearing away or breaking.

Yes, most window companies offer financing options for their customers. Some installers offer low-interest loans based on your income, while other companies provide special financing plans with terms and conditions that vary depending on the job.

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