20 Best Window Companies in Rocky Hill, CT (2023 Reviews)
Thinking about improving your house's appearance? The top window replacement companies can help.
We analyzed all the top-rated window companies in Rocky Hill and selected the best 20 based on:
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Customer reviews
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Window installation expertise
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Popularity with home-owners like you
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Updated September 15, 2023
Why you can trust EcoWatch
The EcoWatch team is all about finding solutions for eco-conscious homeowners in Rocky Hill. Outdated windows could lead to spending more on energy bills during the winter or summer months.
Installing new, efficient windows on your property can help you save money each month on your electricity bills — and you can help the environment, too.
We've made this list of the top installation companies to help you in your search, so you can not only take advantage of brand new windows, but also save money on your power bills.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
Best Window Installation & Replacement Companies in Rocky Hill
The EcoWatch team researched dozens of window installation companies in Rocky Hill to find the top ones for our readers. The providers reviewed in this article scored best in our categories: energy-efficient offerings, price, customer service, availability and more.

Window World
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EnergyStar Partner
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Large serice area
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Low prices relative to competitors
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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 business for about 27 years. Its reputation is backed by a considerable amount of positive reviews on customer review websites.
Window World may be the company for you if you're interested in 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 WindowsThere are a wide range of window types available from Window World, some of which are Energy Star products. 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 Rocky Hill?While pricing is not available on Window World’s website, it's known for offering some of the most affordable window installations around. You can inquire about 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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Award-winning company
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Member of US Green Building Council
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Manufactures products in-house
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No lifetime warranty
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More expensive than competition
Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has been in the window business for about 27 years. Its reputation is backed by a considerable amount of positive reviews on customer review websites.
Andersen may be the company for you if you're interested in one 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 WindowsThere are a wide range of window types available from Renewal by Andersen, some of which are Energy Star products. 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 Rocky Hill?While pricing is not 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. You can inquire about a free quote on its website for more information about pricing.

Aeroseal Windows
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Many years of experience
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Great industry reputation
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Low number of customer complaints
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Manufactures products in-house
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Custom Designs
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No lifetime warranty
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Not ideal for residential installations
Aeroseal Windows offers the best window installation for businesses in Rocky Hill. It's an installer that mainly serves commercial and multifamily properties, and also specializes in railings. If you’re looking for residential window installations, you should probably refer to one of the other companies on this list. This company has been operating since 1999 and currently serves 13 states and Washington D.C.
It installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsAeroseal Windows offers some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to ask for high-quality Energy Star windows when inquiring. The company claims it helps businesses save on energy expenses and reduce their carbon footprints with energy-efficient windows, as well as practices like Low-E glass coating, weatherstripping and more.
How much does Aeroseal Windows cost in Rocky Hill?Although prices are not readily available on Aeroseal’s website, it provides high-quality windows at a competitive price point. You can ask for a free quote on its website for more information about the cost.

Window Nation
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Award-winning company
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Manufactures products in-house
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Custom designs
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Wide variety of products and services
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Installation not covered by warranty
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Limited service area
Window Nation is a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. Window Nation has been in the window business for about 16 years. Its reputation is backed by a considerable amount of positive reviews on customer review websites.
Window Nation may be the company for you if you're interested in one that gives customers the opportunity to view products and to speak to a representative in person in its showrooms.
Energy Efficiency of Window Nation WindowsThere are a wide range of window types available from Window Nation, some of which are Energy Star products. Each product has windowpanes coated with a Low-E (low emissivity) glaze that prevents damaging UV rays from heating your home. Plus, the spaces between double- and triple-pane windows are filled with argon gas that’s been proven to improve home insulation.
How much does Window Nation cost in Rocky Hill?While pricing is not available on Window Nation’s website, based on customer feedback, you can expect to pay between $300 and $525 per window installed, making it a more affordable option compared to competitors. You can inquire about a free quote on its website for more information about pricing.
One thing to note is that the companies in this section are national, meaning the quality of the service may depend on your local team. We have tried to be unbiased and transparent by describing pros and cons for each provider.
More Window Companies in Rocky Hill
Renewal by Andersen - Southern New England
Windsor Locks, CT-
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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Window Replacement
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Double-Hung
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Sliding Glass
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Glass Showers
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Custom Window Designs
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Commercial Windows
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Stained Glass
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Residential Windows
Window World of Hartford
Manchester, CT-
Price Transparency
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Free assessment
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Good Customer Service
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Timely Service
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Educational Website
Services Offered
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Double-Hung
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Window Replacement
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Sliding Glass
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Bay Windows
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Custom Window Designs
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Residential Windows
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Commercial Windows
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Window Repair
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Fast Delivery
Window Nation
Wallingford, CT-
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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Stained Glass
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Window Replacement
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Custom Window Designs
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Energy-Efficient Options
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Sliding Glass
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Residential Windows
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Double-Hung
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Bay Windows
Nu-Face Home Improvements
Berlin, CT-
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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Fast Delivery
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Energy-Efficient Options
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Glass Showers
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Window Replacement
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Commercial Windows
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Custom Window Designs
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Double-Hung
Yargueta Construction
Newington, CT-
Educational Website
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Free assessment
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Good Customer Service
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Timely Service
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Price Transparency
Services Offered
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Glass Showers
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Window Replacement
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Custom Window Designs
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Residential Windows
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Double-Hung
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Commercial Windows
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Full-Service Installations
Turner Home Improvement Contractors, LLC
Glastonbury, CT-
Price Transparency
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Good Customer Service
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Timely Service
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Free assessment
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Educational Website
Services Offered
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Double-Hung
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Fast Delivery
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Custom Window Designs
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Window Replacement
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Residential Windows
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Commercial Windows
Finestra Windows & Installation
West Hartford, CT-
Educational Website
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Price Transparency
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Free assessment
Services Offered
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Custom Window Designs
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Window Replacement
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Double-Hung
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Glass Showers
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Residential Windows
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Tempered Glass
Mainville Windows & Doors
Newington, CT-
Price Transparency
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Free assessment
Services Offered
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Sliding Glass
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Commercial Windows
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Residential Windows
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Aluminum Window Frames
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Custom Window Designs
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Glass Showers
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Window Replacement
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Bay Windows
Peoples Products - HR40 Windows
Newington, CT-
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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Fast Delivery
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Custom Window Designs
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Window Replacement
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Aluminum Window Frames
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Energy-Efficient Options
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Residential Windows
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Commercial Windows
Highland Window Company, LLC
West Hartford, CT-
Good Customer Service
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Free assessment
Services Offered
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Double-Hung
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Window Replacement
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Residential Windows
Castle Windows
East Berlin, CT-
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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Window Replacement
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Residential Windows
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Custom Window Designs
Cussons Sash
Glastonbury, CT-
Free assessment
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Educational Website
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Good Customer Service
Services Offered
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Fast Delivery
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Custom Window Designs
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Commercial Windows
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Window Replacement
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Residential Windows
Energy Busters LTD
Hartford, CT-
Free assessment
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Educational Website
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Good Customer Service
Services Offered
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Custom Window Designs
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Window Replacement
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Energy-Efficient Options
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Residential Windows
Window Restorations of Connecticut - formerly Bi-Glass of Connecticut
Berlin, CT-
Price Transparency
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Timely Service
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Good Customer Service
Services Offered
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Energy-Efficient Options
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Residential Windows
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Window Replacement
Hometech Sunrooms & Remodeling
Southington, CT-
Price Transparency
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Good Customer Service
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Free assessment
Services Offered
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Glass Showers
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Residential Windows
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Fast Delivery
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Window Replacement
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Full-Service Installations
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Custom Window Designs
Home Services at The Home Depot
Berlin, CT-
Educational Website
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Price Transparency
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Free assessment
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Good Customer Service
Services Offered
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Window Replacement
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Residential Windows
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Stained Glass
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Commercial Windows
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Fast Delivery
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Glass Showers
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Custom Window Designs
J.C. Tonnotti Window Company
Southington, CT-
Educational Website
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Good Customer Service
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Timely Service
Services Offered
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Aluminum Window Frames
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Energy-Efficient Options
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Commercial Windows
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Window Replacement
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Custom Window Designs
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Residential Windows
Big Dawg Home Improvements
South Windsor, CT-
Good Customer Service
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Timely Service
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Price Transparency
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Free assessment
Services Offered
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Custom Window Designs
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Aluminum Window Frames
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Residential Windows
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Bay Windows
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Window Replacement
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Fast Delivery
Manchester Millwork
Manchester, CT-
Good Customer Service
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Educational Website
Services Offered
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Custom Window Designs
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Window Replacement
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Residential Windows
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Fast Delivery
Coastal Construction Group LLC
Cheshire, CT-
Educational Website
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Free assessment
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Good Customer Service
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Price Transparency
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Timely Service
Services Offered
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Fast Delivery
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Glass Showers
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Custom Window Designs
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Stained Glass
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Residential Windows
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Double-Hung
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Window Replacement
Calculate how much you can expect to pay for window installation and replacement in Rocky Hill, CT using our customized window cost calculator.
Estimates will vary based on window dimensions and other unique factors to your home. Getting in touch with a local window installer is the best way to get an accurate cost estimate for your home.
How Installing Energy-Efficient Windows in Rocky Hill Saves You Money
By upgrading to energy-efficient windows, you and your family can enjoy several benefits, such as:
- Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which not only provide better insulation for your home, but also filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
- Protect your investment: If your home is on the older side, your windows are most likely outdated. Upgrading your windows can improve the insulation in your home and also help raise the value of your property if you decide to sell.
- Decrease your carbon footprint: Because energy-efficient windows improve the insulation in your house, you can reduce your carbon footprint by about 12%, according to Energy Star.
- Save money on energy bills: Since energy-efficient windows lower how much energy you need to heat or cool your home, the switch can help you save about $446 annually on your energy bills in Rocky Hill.
Estimated Cost of Window Replacement in Rocky Hill
Windows come in varying purposes, styles and shapes, so costs and services will differ considerably based on several factors. Below, we describe the typical cost and services that you'll find from window installation companies.
How Much Do New Windows Cost?
The national average cost to install a single window is about $600 but can range from $200 to $1,200. But costs vary considerably depending on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window companies also provide door replacements, which carry a higher price tag.
Bear in mind that energy-efficient windows may cost more, but Energy Star estimates the upgrade will save you between $101 and $583 a year when replacing single-pane windows and between $27 and $197 a year when replacing double-pane, clear glass windows. Your exact savings will vary depending on your local climate, energy rates and individual home characteristics.
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 from wood fibers encased in plastic also provide good insulation and are moderately expensive. Wood frames cost the most 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 question to ask yourself when planning a window installation is: Do you need a full-frame installation or a pocket installation?
A full-frame installation is a total window replacement. It involves taking out the old window, the sill, and the exterior and interior trim. It can also involve additional materials, including insulation and drip edges, which increase the total cost of the project. It's also worth noting that you may have to touch up the paint around the window after a full-frame installation. Pocket installations (also known as retrofits) are when you replace a window within its existing frame. Pocket installations are simpler and won't cost as much, but you can't do this kind of installment if you have any pre-existing rot or water damage.
If you're still trying to decide which type of installation you need, you can ask your installer and get their recommendation. The decision mostly depends on the age of your window frames and if there's any damage.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
How We Choose the Best Window Installers in Rocky Hill
In our hunt to make your home improvements easier and more eco-friendly in Rocky Hill, the EcoWatch team assessed dozens of companies before settling on these. Along with energy efficiency, we reviewed several window installers in Rocky Hill and assigned rankings using the following methodology:
Service Area
Because this is a guide for Rocky Hill, we paid more attention to companies that cover the city. There are certainly reputable providers that didn't make the cut because of the low odds that they would serve the average homeowner in Rocky Hill.
Work Quality
We're willing to bet that you're looking for a company to do a great job installing windows. We've vetted each company in our guide to ensure its technicians are well-qualified and that the company has gotten lots of positive customer feedback to vouch for its service.
Customer Reviews
We analyzed trends in recent customer feedback to find the companies with the most customer satisfaction, weighted by sample size. Customer satisfaction may be the most important factor, as it indicates the quality of services across most other categories, including warranty, quality of installation, professionalism, quality of parts, cost and more.
Cost
This one is a give-and-take: similar to other services, cheap window installation companies are not going to provide the most quality service. Still, we want to ensure we're highlighting companies that provide a variety of price and financing options so they're accessible to most homeowners.
Warranty
Protecting your investment in new windows is important. For that reason, window installation companies with lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Due to Rocky Hill's climate, homeowners will want to mitigate low efficiency, rot and water damage. We factored in local experience to reflect the ability of Rocky Hill window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.
Rocky Hill, CT Window Replacement FAQs
What is the typical cost to replace windows?
The national average cost to install one window is around $600 but can range from $200 to $1,200, based on a few different factors. The price is often dependent on the type and material of the window, the location of your property and the size of the window. 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 kind of window is the best for energy efficiency?
A window's energy efficiency is affected by several factors, including the quality of the installation and what kind of window it is. Look for Energy Star Certified windows — these are typically the most energy-efficient since they are certified by the U.S. Department of Energy.
Can I install my own windows?
While it is possible to install your own windows, doing so is time-consuming and requires a lot of experience with home improvement projects. Hiring a professional can help ensure that the installation is done properly and that you can avoid spending the time and effort of doing it yourself.
What time of year is a good time to replace my windows?
While you can install windows any time of year, warmer weather is generally better for installing replacement windows. In addition, the weather should be dry, as rain can make the installation more difficult.
Should I replace all my windows at the same time?
If you want to get more efficient windows and save money on energy costs, replacing all your windows at once is the only way to gain that benefit. On the other hand, if you have just one or two windows that are damaged or drafty, you can replace just those.