20 Best Window Companies in Northwest Harbor, NY (2023 Reviews)
Looking to improve your house's value? The top window replacement companies can help.
We analyzed all the top-rated window companies in Northwest Harbor 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
A review of the top window replacement companies in Northwest Harbor may not seem like the most interesting article on the EcoWatch site, but trust us, windows impact your life more than you might realize. Drafty or leaky windows can make your home uncomfortable in the summer or winter.
Installing upgraded, efficient windows on your home can help you save money every month on your electricity bills — and you can help the environment as well.
Unlike other sites, EcoWatch ranks window replacement companies on energy efficiency while also considering cost, customer satisfaction and service area.
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 Northwest Harbor
The EcoWatch Reviews team evaluated many installers in Northwest Harbor to find the best ones for our readers. We assessed the providers based on energy-efficient offerings, coverage area, price, local experience, customer service 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 has windows expertise in Northwest Harbor. It's the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has around 27 years of experience in the window replacement industry.
If you’re looking for a company that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital, this may be the provider for you.
Energy Efficiency of Window World WindowsWindow World 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. 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 Northwest Harbor?Although prices are not available on Window World’s website, it's known for offering some of the most affordable window installations around. The best way to get more accurate pricing information is to request a free quote from the company.

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 around 27 years of experience in the window replacement industry. Its reputation is backed by a considerable amount of positive reviews from customers online.
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 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 be sure to mention that you’d like Energy Star windows when inquiring.
How much does Renewal by Andersen cost in Northwest Harbor?Andersen doesn’t have any prices available on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. The best way to get more accurate information is to ask for a free quote from the company.

Universal Windows Direct
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Makes charitable contributions
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Manufactures products in-house
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Wide variety of products and services
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Lifetime warranty
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Limited service area
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Some installations carried out by third-party contractors
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Quality of service will depend on your area
Universal Windows Direct offers the best warranty in Northwest Harbor. This window installation company has been operating since 2002 and currently services 27 states nationwide. Its reputation is backed by a considerable amount of positive reviews on customer review websites.
It has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsUniversal Windows Direct caters to eco-conscious consumers by providing energy-efficient window offerings. The company offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products.
How much does Universal Windows Direct cost in Northwest Harbor?Pricing information is not available on Universal’s website because the cost of window replacement differs based on how many and what type(s) of windows you need. However, installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. Requesting a free quote on its website is the best way to know for sure.
We've recommended providers with shining reputations, but bear in mind that these are national companies, so your service may differ depending on your local crew. We have tried to remain unbiased and transparent by describing pros and cons for each company reviewed.
More Window Companies in Northwest Harbor
Renewal by Andersen - Branford
Branford, CT-
Free assessment
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Price Transparency
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Good Customer Service
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Educational Website
Services Offered
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Custom Window Designs
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Commercial Windows
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Residential Windows
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Double-Hung
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Stained Glass
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Window Replacement
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Sliding Glass
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Glass Showers
Window World of Hartford
Manchester, CT-
Good Customer Service
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Educational Website
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Free assessment
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Price Transparency
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Timely Service
Services Offered
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Bay Windows
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Commercial Windows
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Custom Window Designs
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Residential Windows
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Window Repair
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Window Replacement
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Sliding Glass
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Double-Hung
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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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Sliding Glass
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Double-Hung
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Energy-Efficient Options
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Bay Windows
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Stained Glass
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Residential Windows
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Custom Window Designs
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Window Replacement
North Shore Window Inc.
Bridgehampton, NY-
Good Customer Service
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Educational Website
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Free assessment
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Price Transparency
Services Offered
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Residential Windows
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Aluminum Window Frames
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Commercial Windows
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Custom Window Designs
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Double-Hung
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Fast Delivery
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Window Replacement
Panorama Glass and Mirror
Hampton Bays, NY-
Price Transparency
Services Offered
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Window Replacement
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Residential Windows
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Custom Window Designs
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Glass Showers
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Tempered Glass
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Full-Service Installations
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Aluminum Window Frames
Clinton Glass
Clinton, 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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Glass Showers
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Residential Windows
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Sliding Glass
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Custom Window Designs
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Commercial Windows
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Window Replacement
Henderson Roofing
Westerly, RI-
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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Window Replacement
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Custom Window Designs
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Full-Service Installations
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Commercial Windows
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Sliding Glass
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Glass Showers
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Fast Delivery
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Stained Glass
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Residential Windows
Home Services at The Home Depot
Waterford, CT-
Good Customer Service
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Price Transparency
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Free assessment
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Educational Website
Services Offered
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Glass Showers
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Commercial Windows
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Custom Window Designs
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Fast Delivery
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Residential Windows
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Window Replacement
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Stained Glass
Guilford Glass Company, Inc.
Guilford, CT-
Free assessment
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Price Transparency
Services Offered
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Window Replacement
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Residential Windows
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Aluminum Window Frames
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Glass Showers
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Window Repair
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Tempered Glass
Christopher Home Improvement
Norwich, CT-
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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Fast Delivery
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Residential Windows
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Commercial Windows
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Window Replacement
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Custom Window Designs
United Home Experts of New London County
Norwich, CT-
Good Customer Service
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Price Transparency
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Free assessment
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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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Window Replacement
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Commercial Windows
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Double-Hung
Creative Enclosures
Bozrah, CT-
Free assessment
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Educational Website
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Good Customer Service
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Price Transparency
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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Custom Window Designs
All Pro Remodeling Corp
Mt Sinai, NY-
Price Transparency
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Free assessment
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Educational Website
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Good Customer Service
Services Offered
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Double-Hung
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Sliding Glass
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Residential Windows
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Energy-Efficient Options
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Glass Showers
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Window Replacement
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Custom Window Designs
Patchogue Window Installation
Brookhaven, NY-
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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Energy-Efficient Options
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Sliding Glass
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Window Replacement
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Custom Window Designs
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Double-Hung
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Bay Windows
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Commercial Windows
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Residential Windows
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Fast Delivery
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Stained Glass
Bencar Building Systems LLC
Wallingford, CT-
Good Customer Service
Services Offered
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Window Replacement
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Glass Showers
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Custom Window Designs
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Residential Windows
Home Comfort Practice, Inc.
Stratford, CT-
Good Customer Service
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Price Transparency
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Timely Service
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Free assessment
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Educational Website
Services Offered
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Custom Window Designs
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Commercial Windows
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Residential Windows
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Glass Showers
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Window Replacement
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Energy-Efficient Options
DiMartino Home Improvement
North Haven, CT-
Price Transparency
Services Offered
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Residential Windows
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Window Replacement
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Bay Windows
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Aluminum Window Frames
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Double-Hung
Nu-Face Home Improvements
Berlin, CT-
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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Energy-Efficient Options
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Double-Hung
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Fast Delivery
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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
Four Seasons Sunrooms
Holbrook, NY-
Free assessment
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Price Transparency
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Educational Website
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Good Customer Service
Services Offered
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Residential Windows
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Window Replacement
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Energy-Efficient Options
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Custom Window Designs
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Commercial Windows
Glass Doctor
Ronkonkoma, NY-
Educational Website
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Good Customer Service
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Price Transparency
Services Offered
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Full-Service Installations
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Double-Hung
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Residential Windows
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Custom Window Designs
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Fast Delivery
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Window Repair
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Sliding Glass
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Window Replacement
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Glass Showers
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Commercial Windows
Calculate how much you can expect to pay for window installation and replacement in Northwest Harbor, NY 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 Northwest Harbor Saves You Money
When you upgrade to energy-efficient windows, you may see a few benefits, such as:
- More efficient energy use in your home: Because the winters can get very cold in Northwest Harbor, homeowners often depend on their heater during that time. Energy-efficient windows reduce the amount of heat that is lost through your windows, which makes it easier to keep your house warm.
- Protect your investment: If you have an older home, your windows are most likely outdated. Upgrading your windows can make your home more comfortable and also help raise the value of your property if you decide to sell.
- Decrease your carbon footprint: In Northwest Harbor, you can cut your indirect greenhouse gas emissions by about 307 pounds per year after you upgrade to energy-efficient windows.
- More efficient energy use in your home: In Northwest Harbor where the summers can be quite hot, energy-efficient windows decrease how much cool air is lost through your windows, making it easier to keep your house cool.
Estimated Cost of Window Replacement in Northwest Harbor
Let's take a look at the cost of replacing your windows and the types of services offered by installers.
How Much Do New Windows Cost?
The typical cost to install one window is about $600 but can range anywhere from $200 to $1,200. This is because the cost of window installations depend on a variety of factors specific to your home, such as the size, material and number of windows you need to install, as well as where your property is located.
It's important to remember that windows with the best efficiency may cost more initially but can save you hundreds of dollars by lowering your energy bills. Investing in certified energy-efficient windows can save Northwest Harbor homeowners $215+ a year when replacing single-pane windows.
Costs will also vary based on the material you want for your window frames. Aluminum frames have the lowest price. 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 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?
When considering window installations, there are typically two types that your installer will have: full-frame and pocket installations.
Full-frame installations are usually recommended when you want to change the style of your windows or your window has significant deterioration. With this service, your professionals will replace the full window, including the trim, sill and frame. Pocket installations (also known as retrofits) are when you replace a window without replacing the frame. Pocket installations are simpler and won't carry as large a bill, but you can't do this kind of installment if you have any pre-existing rot or water damage.
If you're still debating which kind of installation you need, you can consult with your installer and get their recommendation. The decision mostly is influenced by how old the frames are 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 Northwest Harbor
In our hunt to make your home improvements easier and more eco-friendly in Northwest Harbor, the EcoWatch team landed on the above companies as the top window installation companies in the city. We've evaluated the top window installation companies in Northwest Harbor primarily based on their energy efficient offerings, as it's the most sustainable option and the best one for homeowners. Energy Star certified windows can cut your energy bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:
Service Area
Because this is a guide for Northwest Harbor, we only included companies that serve the city. There are other reputable providers that didn't make the cut because they wouldn't be able to serve homeowners in Northwest Harbor.
Work Quality
We're willing to bet that you're looking for professionals who do a great job installing windows. We've vetted each installer included in our guide to ensure 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 customer feedback to find the companies with the most customer satisfaction, weighted by sample size. Customer satisfaction might be the factor we place the most value on, as it reflects the quality of services across nearly every category, including warranty, quality of installation, quality of parts, professionalism, cost and more.
Cost
This one is a give-and-take: similar to most services, cheap window companies are not going to provide the highest quality service. Still, we want to ensure we're highlighting companies that provide a range of price and financing options so they're accessible to most homeowners.
Warranty
As discussed, windows are a sizable investment, so you'll want to be certain that investment is well protected. Window installation companies that have lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Last but not least, we like to see companies that have been in the industry for a while. Window installation companies that have more years of experience earn higher rankings by our standards. We like to see at least ten years of experience.
Northwest Harbor, NY Window Replacement FAQs
How much should a window install cost?
The average cost of replacing a window ranges from $450 to $650. There are a variety of factors that influence the cost, including local labor costs, styles and sizes of windows, your property's location, the number of windows, how energy-efficient the windows are and the materials used in designing the windows.
What kind of window is the most energy-efficient?
A window's energy efficiency depends on a variety of factors, such as 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 and are certified by the U.S. Department of Energy.
What do window installers do?
Window installers travel to your home to remove your old windows and replace them with new ones. Some companies install products manufactured by other companies, whereas others are both manufacturers and installation companies combined. The installer will also clean up after the installation.
How often should you replace 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 any damage on them, or they have become difficult to open or close, they may need to be replaced.