29 Best Window Replacement Companies in Williamstown, VT (2023 Reviews)
Window Companies Near Me
Thinking of improving your home's appearance? The top window replacement companies can help.
We analyzed all the top window installers in Williamstown and selected the top 29 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
The EcoWatch team is all about finding solutions for eco-conscious homeowners in Williamstown. Damaged or outdated windows could lead to having higher energy bills during the winter or summer months.
Installing upgraded, efficient windows on your home can help you save money each month on your electricity bills — and you can help the environment as well.
So if you're constructing a new home, renovating or replacing your windows in Williamstown, this guide is the best place to get started.
Best Affordability
Window World
- Large serice area
- Lifetime warranty
- Great industry reputation
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Great industry reputation
- Manufactures products in-house
- Award-winning company
- More expensive than competition
Best Window Replacement Companies in Williamstown
The EcoWatch Reviews team researched dozens of companies that service the Williamstown area to find the best window installation companies by our standards. The installers in this article passed our review standards for energy-efficient offerings as well as customer service, price, local expertise and beyond.

Window World
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Large serice area
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Lifetime warranty
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Great industry reputation
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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. This provider has 27 years of experience in the windows business, and it has established itself as one of the most respected companies in Williamstown. The company has many glowing reviews from customers on online review websites.
You may want to consider opting for Window World if you're interested in a installer 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 WindowsIts high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home. Not all of Window World's offerings are Energy Star certified, so make sure you mention that you're interested in Energy Star windows when inquiring.
How much does Window World cost in Williamstown?Prices aren't displayed on Window World's website, but it's known for offering some of the most affordable window installations around. You can request a free quote on its website for more information about pricing.

Renewal by Andersen
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Great industry reputation
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Manufactures products in-house
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Award-winning company
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More expensive than competition
Renewal by Andersen offers the best availability in Williamstown. Andersen has about 27 years of experience in the window installation business.
If you're looking for a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started, this may be the company for you.
Energy Efficiency of Renewal by Andersen WindowsA 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. Not all of Andersen's offerings are Energy Star certified, so make sure you mention that you want Energy Star windows when inquiring.
How much does Renewal by Andersen cost in Williamstown?Prices are not available on Andersen's website because the cost of window replacement differs based 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. Receiving a free quote on its website is the best way to get more accurate pricing information.
We try to be unbiased and transparent by mentioning pros and cons for each company we review. Additionally, our rankings are not affected by any partnerships.
More Window Replacement Companies in Williamstown
Pella Windows & Doors
Plattsburgh, NY-
Good Customer Service
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Award-Winning
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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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Bay Windows
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Sliding Glass
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Custom Window Designs
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Stained Glass
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Residential Windows
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Fast Delivery
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Commercial Windows
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Double-Hung
EcoSmart Shades
Williston, VT-
Good Customer Service
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Free assessment
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Educational Website
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Price Transparency
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Timely Service
Services Offered
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Sliding Glass
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Custom Window Designs
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Stained Glass
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Residential Windows
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Fast Delivery
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Double-Hung
Gordon's Window Decor
Williston, VT-
Good Customer Service
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Free assessment
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Educational Website
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Price Transparency
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Timely Service
Services Offered
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Energy-Efficient Options
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Glass Showers
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Custom Window Designs
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Full-Service Installations
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Residential Windows
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Commercial Windows
Portland Glass of South Burlington
South Burlington, VT-
Good Customer Service
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Free assessment
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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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Custom Window Designs
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Residential Windows
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Fast Delivery
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Commercial Windows
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Double-Hung
Pella Windows & Doors of South Burlington
South Burlington, VT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Bay Windows
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Sliding Glass
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Custom Window Designs
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Residential Windows
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Commercial Windows
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Double-Hung
Home Services at The Home Depot
West Lebanon, NH-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Bay Windows
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Custom Window Designs
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Stained Glass
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Residential Windows
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Fast Delivery
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Commercial Windows
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Double-Hung
Home Services at The Home Depot
Littleton, NH-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Bay Windows
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Custom Window Designs
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Stained Glass
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Residential Windows
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Aluminum Window Frames
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Fast Delivery
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Commercial Windows
Home Services at The Home Depot
Claremont, NH-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Bay Windows
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Custom Window Designs
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Stained Glass
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Residential Windows
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Aluminum Window Frames
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Fast Delivery
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Commercial Windows
SymphonyShades.com
Williston, VT-
Good Customer Service
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Free assessment
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Educational Website
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Price Transparency
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Timely Service
Services Offered
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Sliding Glass
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Custom Window Designs
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Stained Glass
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Residential Windows
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Fast Delivery
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Double-Hung
Top Notch Custom Glass
Littleton, NH-
Good Customer Service
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Price Transparency
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Educational Website
Services Offered
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Glass Showers
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Custom Window Designs
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Residential Windows
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Aluminum Window Frames
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Tempered Glass
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Commercial Windows
Sun Stoppers Williston
Williston, VT-
Good Customer Service
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Free assessment
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Educational Website
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Price Transparency
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Timely Service
Services Offered
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Commercial Windows
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Residential Windows
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Custom Window Designs
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Fast Delivery
Portland Glass of Littleton
Littleton, NH-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Custom Window Designs
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Residential Windows
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Commercial Windows
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Double-Hung
Budget Blinds of Colchester
Colchester, VT-
Good Customer Service
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Educational Website
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Free assessment
Services Offered
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Energy-Efficient Options
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Glass Showers
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Custom Window Designs
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Residential Windows
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Aluminum Window Frames
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Fast Delivery
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Commercial Windows
Portland Glass of Barre
Barre, VT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Custom Window Designs
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Residential Windows
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Commercial Windows
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Double-Hung
Portland Glass of West Lebanon
West Lebanon, NH-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Custom Window Designs
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Residential Windows
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Commercial Windows
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Double-Hung
Portland Glass of Rutland
Rutland, VT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Custom Window Designs
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Residential Windows
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Commercial Windows
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Double-Hung
Portland Glass of St. Albans
St Albans City, VT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Custom Window Designs
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Residential Windows
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Commercial Windows
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Double-Hung
Portland Glass of Newport
Newport, VT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Custom Window Designs
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Residential Windows
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Commercial Windows
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Double-Hung
Window World of the Green Mountains
South Burlington, VT-
Good Customer Service
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Price Transparency
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Free assessment
Services Offered
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Energy-Efficient Options
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Bay Windows
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Sliding Glass
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Custom Window Designs
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Residential Windows
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Double-Hung
Pella Windows & Doors of New London
New London, NH-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Bay Windows
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Sliding Glass
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Custom Window Designs
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Residential Windows
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Aluminum Window Frames
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Fast Delivery
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Double-Hung
Pella Windows & Doors of Meredith
Meredith, NH-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Bay Windows
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Sliding Glass
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Custom Window Designs
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Residential Windows
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Double-Hung
Home Services at The Home Depot
Rutland, VT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Glass Showers
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Bay Windows
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Custom Window Designs
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Stained Glass
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Residential Windows
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Fast Delivery
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Commercial Windows
Vermont Renovation and Remodeling
Colchester, VT-
Good Customer Service
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Price Transparency
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Educational Website
Services Offered
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Glass Showers
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Bay Windows
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Custom Window Designs
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Residential Windows
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Double-Hung
Clark's Glass
Rutland, VT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
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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Commercial Windows
Claremont GlassWorks
Claremont, NH-
Good Customer Service
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Educational Website
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Price Transparency
Services Offered
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Glass Showers
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Custom Window Designs
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Residential Windows
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Fast Delivery
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Commercial Windows
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Double-Hung
Limoge & Sons Garage Doors
Williston, VT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
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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Sliding Glass
Snow Country Roofing
Shelburne, VT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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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
Able Paint Glass & Flooring
Burlington, VT-
Good Customer Service
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Price Transparency
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Educational Website
Services Offered
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Glass Showers
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Custom Window Designs
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Full-Service Installations
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Residential Windows
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Commercial Windows
Home Services at The Home Depot
Williston, VT-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
-
Glass Showers
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Bay Windows
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Custom Window Designs
-
Residential Windows
-
Fast Delivery
-
Commercial Windows
How Installing Energy-Efficient Windows in Williamstown Saves You Money
Energy-efficient windows can benefit you in more than one way. Here are a few reasons you may want to think about making the switch:
- Protect your valuables: The low-emissivity coatings on many energy-efficient windows help prevent the fading of your floors, carpets and furniture by filtering out UV rays.
- Save on energy bills: The Department of Energy estimates that heat gained or lost through windows makes up about 25-30% of household energy use. Installing energy-efficient windows can help decrease that amount, which helps you save $680 a year on your bills.
- Protect your investment: Upgrading and repairing your windows is an important part of maintaining your property and its value, especially if you have an older home.
- Decrease your carbon footprint: By using less energy once switching to Energy Star certified windows, you'll also be cutting your carbon dioxide emissions by about 12%, according to Energy Star.
Estimated Cost of Window Replacement in Williamstown
When researching window installation, each company provides varying services and prices. Let's look at some typical costs and services.
How Much Do New Windows Cost?
The average cost to install one window is about $600 but can range from $200 to $1,200. This is because the cost of window installations are based on a variety of factors specific to your home, such as the size, material and number of windows you need to replace, as well as the location of your property.
It's also worth keeping in mind that energy-efficient windows will almost always cost more initially, but Energy Star estimates that switching out the windows on your Williamstown home translates to an average energy savings of $236 to $319 each 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 installing energy-efficient windows depends on your local climate, energy rates and other factors unique to your home.
Costs will also vary depending on the material of your frame. Aluminum frames cost the least. They're sturdy, light and maintenance-free, but provide poor insulation. Vinyl frames are a bit more expensive and provide good insulation. Composite frames made with wood fibers encased in plastic also provide good insulation and are moderately expensive. Wood frames are the most expensive and are the most in-demand. They're also aesthetically pleasing and provide decent insulation for your home.
What Services do Window Installers Offer?
The first step of a window installation is to figure out whether you want a full-frame or pocket installation.
A full-frame installation replaces the entire window, such as the windowsill, frame, trim and the window panes. Because this kind of installation requires more time, it will be more expensive than a pocket installation. A pocket installation means replacing a window without removing the entire frame, which is usually cheaper than a full-frame installation.
If you're still trying to decide which kind of installation you need, you can consult with your provider and get their advice. The decision mostly depends on how old the frames are and if there's any damage present.
Best Affordability
Window World
- Large serice area
- Lifetime warranty
- Great industry reputation
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Great industry reputation
- Manufactures products in-house
- Award-winning company
- More expensive than competition
How We Choose the Best Window Installers in Williamstown
In our search to find the most reliable, eco-friendly window installers in Williamstown, EcoWatch evaluated many companies before settling on these. We have assessed the best window installers in Williamstown primarily based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy Star certified windows have been shown to reduce your power bills by hundreds of dollars. Along with energy efficiency, our rating methodology is based on the following factors:
Service Area
This one is pretty self-explanatory, but we've chosen to highlight window installers that serve the Williamstown area so you can find the right window installation company near you.
Work Quality
When selecting new windows, the quality and breadth of services can often play just as important of a role in overall efficiency and performance as the brand you opt for. We do rate window installers higher if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.
Customer Reviews
We analyzed patterns in recent online reviews to find the companies with the most customer satisfaction. Customer satisfaction might be the factor we place the most value on, as it reflects the quality of services across nearly every category, including quality of installation, professionalism, warranty, cost, quality of parts and more.
Cost
This one is a give-and-take: similar to most services, cheap window installers won't always provide the most quality service. Still, we want to ensure we're highlighting companies that provide a spectrum of price and financing options so they're accessible to most homeowners.
Warranty
Protecting your investment in new windows is important to many homeowners. For that reason, window installation companies that offer lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Lastly, we like to see companies that have been in the industry for a while. Window installation companies 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.
Williamstown, VT Window Replacement FAQs
What is the typical cost to install new windows?
The national average cost to replace one window is around $600 but can range between $200 and $1,200, based on a few different factors. The price is often influenced by the size of the window, the type and material of the window and the location of your property. Also, remember that energy-efficient windows may cost more initially but can save you a decent amount of money a year in energy bills.
What type of window is the best for energy efficiency?
A window's energy efficiency is influenced by several factors, including 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 and are certified by the U.S. Department of Energy.
What do window installers do?
Window installation professionals visit your house to remove your old windows and replace them with new ones. Some providers install products manufactured by other companies, whereas others install their own windows. The installer will also clean up after the installation is finished.
What time of year should I replace my windows?
Replacement windows can be installed during any season, but warmer weather is typically better. No matter when you install them, the contractors will take steps to make sure that too much hot or cold air doesn't get into the house, so the temperature outside isn't necessarily a big factor. What's more important than the temperature is that the weather should be dry.
Should I replace all my windows at once?
If your windows are greater than 20 years old, it's probably time to replace all of them. By that point, they are usually less efficient, draftier and/or more damaged than new windows. Replacing your windows all at the same time will involve less paperwork and less stress.