28 Best Window Replacement Companies in Portland, ME (2023 Reviews)
Window Companies Near Me
When it's time to upgrade your windows, our list of the top window installation companies can help you find the provider for you.
We analyzed all the top window installers in Portland and selected the top 28 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 May 04, 2023
Why you can trust EcoWatch
A review of the best window installation companies in Portland may not seem like the most interesting article on the EcoWatch site, but trust us, windows have more of an impact on your life than you might think. Traditional or damaged windows could lead to having higher power bills during the winter or summer months.
Installing upgraded, efficient windows on your property can help you save money each month on your electric bills — and you can help the environment, too.
Efficient windows are of particular importance in Portland, where winters are long and cold. According to Energy Star, making the switch to energy-efficient windows can save the average homeowner up to $396 each year.
Best Overall
Renewal by Andersen
- Manufactures products in-house
- Great industry reputation
- Member of US Green Building Council
- More expensive than competition
Best Affordability
Window World
- Large serice area
- Great industry reputation
- Lifetime warranty
- Quality of service will depend on your area
Best Window Replacement Companies in Portland
The EcoWatch Reviews team evaluated dozens of companies that service the Portland area to find the top window installation companies by our standards. We assessed the companies based on their energy-efficient offerings, price, customer service, coverage area, local experience and more.

Renewal by Andersen
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Manufactures products in-house
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Great industry reputation
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Member of US Green Building Council
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More expensive than competition
Renewal by Andersen has the best availability in Portland. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has over 27 years of industry experience, and it currently serves nearly every state except Mississippi and West Virginia. The provider has a lot of positive reviews from customers on online review websites.
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 WindowsRenewal by Andersen has some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to ask for Energy Star windows when inquiring. 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 Portland?Although pricing information is not readily available on Andersen's website, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. Receiving a free quote on its website is the best way to get more accurate pricing information.

Window World
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Large serice area
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Great industry reputation
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Lifetime warranty
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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. Window World has been in the window industry for around 27 years. The company has a lot of glowing reviews from customers online.
Window World may be the company for you if you want one 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 WindowsWindow World has some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you ask for 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 Portland?Window World does not list prices on its website, but it's known for offering some of the most affordable window installations around. The best way to get more accurate information is to get a free quote from the company.
We've recommended installers with shining reputations, but bear in mind that some national companies have independently owned locations in Portland, so your service may differ depending on your local crew. We have tried to stay unbiased and transparent by listing pros and cons for each company reviewed.
More Window Replacement Companies in Portland
Budget Blinds of the Seacoast
Portsmouth, NH-
Educational Website
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Free assessment
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Good Customer Service
Services Offered
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Aluminum Window Frames
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Fast Delivery
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Commercial Windows
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Glass Showers
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Energy-Efficient Options
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Custom Window Designs
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Residential Windows
Window World of Southern Maine
Westbrook, ME-
Award-Winning
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Good Customer Service
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Price Transparency
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Educational Website
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Free assessment
Services Offered
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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
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Residential Windows
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Fast Delivery
The Window Source NH
Seabrook, NH-
Free assessment
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Good Customer Service
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Educational Website
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Award-Winning
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Price Transparency
Services Offered
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Sliding Glass
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Energy-Efficient Options
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Residential Windows
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Custom Window Designs
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Double-Hung
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Bay Windows
M&M Skylights
Brentwood, NH-
Price Transparency
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Good Customer Service
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Timely Service
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Free assessment
Services Offered
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Double-Hung
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Fast Delivery
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Commercial Windows
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Residential Windows
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Glass Showers
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Custom Window Designs
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Energy-Efficient Options
Mr. Handyman of Greater Portland
Portland, ME-
Timely Service
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Award-Winning
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Price Transparency
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Good Customer Service
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Free assessment
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Educational Website
Services Offered
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Glass Showers
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Residential Windows
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Double-Hung
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Custom Window Designs
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Commercial Windows
Roofers Elite LLC
Auburn, ME-
Price Transparency
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Educational Website
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Good Customer Service
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Free assessment
Services Offered
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Commercial Windows
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Residential Windows
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Full-Service Installations
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Sliding Glass
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Custom Window Designs
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Fast Delivery
Glass Unlimited
Wells, ME-
Free assessment
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Price Transparency
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Good Customer Service
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Timely Service
Services Offered
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Commercial Windows
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Aluminum Window Frames
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Full-Service Installations
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Glass Showers
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Sliding Glass
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Custom Window Designs
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Fast Delivery
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Residential Windows
Portland Glass of Springvale & Sanford
Springvale, ME-
Educational Website
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Good Customer Service
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Price Transparency
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Free assessment
Services Offered
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Commercial Windows
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Glass Showers
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Residential Windows
Pella Windows & Doors of Newington
Newington, NH-
Educational Website
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Price Transparency
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Good Customer Service
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Free assessment
Services Offered
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Fast Delivery
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Bay Windows
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Sliding Glass
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Residential Windows
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Double-Hung
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Custom Window Designs
Home Services at The Home Depot
Auburn, ME-
Price Transparency
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Good Customer Service
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Educational Website
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Free assessment
Services Offered
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Bay Windows
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Sliding Glass
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Commercial Windows
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Glass Showers
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Fast Delivery
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Residential Windows
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Stained Glass
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Custom Window Designs
Home Services at The Home Depot
Somersworth, NH-
Good Customer Service
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Free assessment
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Educational Website
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Price Transparency
Services Offered
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Commercial Windows
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Residential Windows
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Glass Showers
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Bay Windows
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Stained Glass
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Fast Delivery
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Custom Window Designs
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Aluminum Window Frames
Portland Glass of Lewiston
Lewiston, ME-
Free assessment
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Good Customer Service
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Price Transparency
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Educational Website
Services Offered
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Custom Window Designs
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Fast Delivery
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Glass Showers
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Residential Windows
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Double-Hung
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Commercial Windows
Stone Coast Remodeling
Standish, ME-
Free assessment
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Educational Website
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Price Transparency
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Good Customer Service
Services Offered
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Fast Delivery
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Double-Hung
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Glass Showers
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Residential Windows
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Stained Glass
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Custom Window Designs
Portland Glass of Augusta
Augusta, ME-
Price Transparency
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Educational Website
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Free assessment
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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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Custom Window Designs
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Commercial Windows
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Double-Hung
Building Maintenance Plus
Auburn, ME-
Free assessment
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Good Customer Service
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Educational Website
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Price Transparency
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Timely Service
Services Offered
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Glass Showers
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Double-Hung
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Commercial Windows
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Fast Delivery
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Custom Window Designs
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Residential Windows
Paradigm Windows
Portland, ME-
Price Transparency
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Free assessment
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Good Customer Service
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Educational Website
Services Offered
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Sliding Glass
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Commercial Windows
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Custom Window Designs
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Bay Windows
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Residential Windows
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Double-Hung
Pella Windows & Doors of Scarborough
Scarborough, ME-
Price Transparency
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Good Customer Service
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Free assessment
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Educational Website
Services Offered
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Sliding Glass
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Double-Hung
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Residential Windows
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Bay Windows
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Custom Window Designs
Portland Glass of Biddeford
Biddeford, ME-
Good Customer Service
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Free assessment
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Educational Website
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Price Transparency
Services Offered
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Glass Showers
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Residential Windows
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Custom Window Designs
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Double-Hung
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Commercial Windows
Portland Glass of South Paris
South Paris, ME-
Good Customer Service
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Free assessment
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Price Transparency
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Educational Website
Services Offered
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Custom Window Designs
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Residential Windows
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Double-Hung
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Glass Showers
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Commercial Windows
Portland Glass of Dover
Dover, NH-
Price Transparency
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Educational Website
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Good Customer Service
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Free assessment
Services Offered
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Custom Window Designs
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Glass Showers
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Double-Hung
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Commercial Windows
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Residential Windows
Portland Glass of North Conway
North Conway, NH-
Good Customer Service
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Free assessment
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Price Transparency
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Educational Website
Services Offered
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Double-Hung
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Glass Showers
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Commercial Windows
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Residential Windows
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Custom Window Designs
Portland Glass of Rumford
Rumford, ME-
Free assessment
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Good Customer Service
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Price Transparency
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Educational Website
Services Offered
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Residential Windows
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Custom Window Designs
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Commercial Windows
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Double-Hung
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Glass Showers
Home Services at The Home Depot
Biddeford, ME-
Price Transparency
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Good Customer Service
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Free assessment
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Educational Website
Services Offered
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Bay Windows
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Commercial Windows
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Glass Showers
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Custom Window Designs
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Fast Delivery
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Residential Windows
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Stained Glass
Portland Glass of Raymond
Raymond, ME-
Good Customer Service
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Free assessment
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Price Transparency
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Educational Website
Services Offered
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Glass Showers
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Double-Hung
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Custom Window Designs
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Residential Windows
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Commercial Windows
Portland Glass of Brunswick
Brunswick, ME-
Price Transparency
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Good Customer Service
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Educational Website
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Free assessment
Services Offered
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Commercial Windows
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Double-Hung
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Glass Showers
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Custom Window Designs
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Residential Windows
Portland Glass of Portland
Portland, ME-
Good Customer Service
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Price Transparency
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Educational Website
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Free assessment
Services Offered
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Residential Windows
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Double-Hung
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Custom Window Designs
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Glass Showers
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Commercial Windows
Portland Glass of Portsmouth
Portsmouth, NH-
Educational Website
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Good Customer Service
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Price Transparency
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Free assessment
Services Offered
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Commercial Windows
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Double-Hung
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Residential Windows
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Glass Showers
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Custom Window Designs
Portland Glass of Exeter
Exeter, NH-
Educational Website
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Free assessment
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Price Transparency
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Good Customer Service
Services Offered
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Commercial Windows
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Glass Showers
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Residential Windows
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Custom Window Designs
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Double-Hung
How Installing Energy-Efficient Windows in Portland Saves You Money
Energy-efficient windows can provide benefits in more than one way. Here are a few reasons you may want to think about making the switch:
- Save money on power bills: Once you switch to energy-efficient windows, you can expect a reduction in your bills by about 12% because you'll require less energy to heat or cool your house.
- Protect your investment: The older your home is, the more likely it is that switching to energy-efficient windows will benefit you. Older homes usually have windows that are outdated, leaky or potentially even damaged in some way. Upgrading your windows could help increase the value of your property if you decide to sell.
- Protect your valuables from fading: The low-emissivity coatings on some energy-efficient windows filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
- Decrease your carbon footprint: In Portland, you can reduce your indirect greenhouse gas emissions by about 163 pounds per year after you install energy-efficient windows.
Estimated Cost of Window Replacement in Portland
Windows come in different purposes, shapes and styles, so costs and services will vary considerably depending on several factors. Below, we describe the average cost and services that you can get from window replacement companies.
How Much Do New Windows Cost?
According to our market research, the average cost to install a single window is around $600. However, window installation costs can range from $200 to $1,200 a window. These amounts vary depending on specific characteristics of your installation, such as type, the location of your home, number of windows, size, material and more.
It's also worth keeping in mind that energy-efficient windows will typically cost more upfront, but Energy Star predicts that upgrading the windows on your Portland home can mean an average energy savings of $236 to $319 per year for single-pane window replacement, or between $87 to $126 per year for double-pane windows. How much you'll save by upgrading to energy-efficient windows varies based on your local climate, energy rates and other factors unique to your home.
We advise requesting free quotes from multiple window installation companies to find the one that works best for your budget.
What Services do Window Installers Offer?
There are generally two types of window replacement services: full-frame and pocket installations.
Full-frame installations involve replacing the whole window — the sill, frame, trim and all. These are most common when you want a different style for your windows or when it has significant rot or deterioration. Full-frame installations are more involved and will increase overall costs. Pocket installations (or retrofits) involve installing a new window within the existing frame, which makes pocket installations less labor-intensive and costly. However, if the frame has any rot or deterioration, you should opt for a full-frame installation instead.
If you're hiring a reputable window installation company, your company can recommend the best type for your project. In Portland, the choice will mostly depend on how much damage there is currently and the age and condition of your existing frames.
Best Overall
Renewal by Andersen
- Manufactures products in-house
- Great industry reputation
- Member of US Green Building Council
- More expensive than competition
Best Affordability
Window World
- Large serice area
- Great industry reputation
- Lifetime warranty
- Quality of service will depend on your area
How We Choose the Best Window Installers in Portland
EcoWatch reviews are different from most reviews since we evaluate these companies through a sustainability lens. Along with energy efficiency, we assessed window companies all across the state and assigned rankings based on the following methodology:
Service Area
This one is self-explanatory, but we've chosen to highlight window installers that serve Portland so you can find a quality window installation company near you.
Work Quality
We're willing to bet that you're not looking for a company to do a shoddy job installing windows. We've vetted each installer included on this list to make sure its contractors are well-qualified and that the company has gotten tons of positive customer feedback to vouch for its service.
Customer Reviews
We analyzed trends in recent online reviews to find the companies with the most customer satisfaction, weighted by sample size. Customer satisfaction might be the most important factor, as it reflects the quality of services across nearly every category, including warranty, quality of installation, professionalism, quality of parts, cost and more.
Cost
Cheaper windows certainly don't mean better windows, but we know many of our readers try to keep costs as low as possible. When analyzing providers' prices, we gave higher points to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
As discussed previously, windows are a hefty investment, so you'll want to be certain that investment is protected. Window installation companies that offer lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Last but not least, we like to see companies that have a proven track record in the industry. Window installers that have more years of experience are going to earn higher rankings by our standards. We like to see at least ten years of experience.
Portland, ME Window Replacement FAQs
How much does a window install cost?
The average cost to install a single window ranges from $450 to $650. There are several factors that affect how much it costs, including local labor costs, the number of windows, the materials used in designing the windows, how energy-efficient the windows are, styles and sizes of windows and your property's location.
Which kind of window is the best?
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 often the most energy-efficient since they are certified by the U.S. Department of Energy.
What do window installation companies do?
Window installers travel to your house to remove your old windows and replace them with new ones. Some providers install products sold by other companies, whereas others install their own windows. The installer will also clean up after the installation.
How long does it usually take to install windows?
Since the average installation time of a window is 30 minutes, around 16 windows can be installed in a typical 8-hour work day.
How do you know it's time to replace your windows?
Windows have a typical lifespan of about 20 to 30 years. If your windows are older than that, then they should probably be replaced. Apart from that, if your windows have damage anywhere on them, or they have become difficult to operate, they may be in need of replacement.