25 Best Window Replacement Companies in Middle Island, NY (Mar 2023)
Window Companies Near Me
Looking to replace your home's windows? We've got all the information you need in this guide to the best window installation companies.
We analyzed all the top window installers in Middle Island and selected the top 25 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 March 14, 2023
Why you can trust EcoWatch
Whether you're updating for style or have windows that need repairs, windows play a important role in conserving your home's electricity. During the winter months, the last thing you want is your heat to leak out of your outdated, drafty windows.
Installing new, efficient windows on your home can help you save money each month on your electric bills — and you can help the environment, too.
As windows are so important for your home, selecting the best company for you is a big decision to make. That's why the EcoWatch team has made this list of the top window replacement companies, so you can make an informed decision more easily.
Best Overall
Renewal by Andersen
- Manufactures products in-house
- Great industry reputation
- Member of US Green Building Council
- More expensive than competition
Best Affordability
Window World
- Low prices relative to competitors
- EnergyStar Partner
- Lifetime warranty
- Quality of service will depend on your area
Best Warranty
Universal Windows Direct
- Wide variety of products and services
- Manufactures products in-house
- Makes charitable contributions
- Quality of service will depend on your area
Best Window Replacement Companies in Middle Island
The EcoWatch team researched many window installation companies across Middle Island to narrow our list down to the top ones. We assessed the providers on their energy-efficient offerings, local experience, coverage area, customer service, price and more.

Renewal by Andersen
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Manufactures products in-house
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Great industry reputation
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Member of US Green Building Council
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More expensive than competition
Renewal by Andersen offers the best availability in Middle Island. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has about 27 years of industry experience, and it currently serves nearly every state except Mississippi and West Virginia. Many positive reviews on customer review websites back the company's reputation.
It has established itself as a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen WindowsRenewal by Andersen offers some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want Energy Star windows when inquiring. A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019.
How much does Renewal by Andersen cost in Middle Island?Prices aren't listed on Andersen's website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. You can request a free quote on its website for more information about pricing.

Window World
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Low prices relative to competitors
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EnergyStar Partner
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Lifetime warranty
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Quality of service will depend on your area
Window World has windows expertise in Middle Island. It's the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has been in the window installation industry for around 27 years. Many positive reviews from customers online back the company's reputation.
It has established itself as a company 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 variety 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 Middle Island?Prices aren't available on Window World's website, but it's known for offering some of the most affordable window installations around. For more detailed information on pricing, you can request a quote from the company.

Universal Windows Direct
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Wide variety of products and services
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Manufactures products in-house
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Makes charitable contributions
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Quality of service will depend on your area
Universal Windows Direct provides the best warranty in Middle Island. Universal has been in the window business for around 20 years.
It has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsThere are a wide variety of window types that Universal Windows Direct offers, some of which are Energy Star products. 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 Middle Island?Although pricing information is not available on Universal's website, 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. Receiving a free quote on its website is the best way to know for sure.
Please note that the following companies are national, which means the quality of customer service may vary depending on your local crew. We have tried to remain unbiased and transparent by describing both pros and cons for every provider.
More Window Replacement Companies in Middle Island
Renewal by Andersen of Long Island
Farmingdale, NY-
Price Transparency
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Arrives on Time
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Good Customer Service
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Helps Educate Customers
Services Offered
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Fast Delivery
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Custom Windows
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Business Windows
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Double-Hung
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Stained Glass
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Sliding Glass
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Bay Windows
Renewal by Andersen - Branford
Branford, CT-
No-fee Quotes
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No-Hassle Pricing
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Award-Winning
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Consistent Workmanship
Services Offered
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Residential Windows
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Custom Windows
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Business Windows
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Double-Hung
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Stained Glass
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Sliding Glass
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Bay & Bow Windows
TL Home Improvement LLC
Shelton, CT-
Timely Service
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Educational Website
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Locally Recognized for Quality
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Dependable Service
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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Custom Window Designs
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Aluminum Window Frames
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Full-Service Installations
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Double-Hung
Renewal by Andersen
Stamford, CT-
No-fee Quotes
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Award-Winning
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Good Customer Service
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Dependable Service
Services Offered
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Custom Window Designs
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Commercial Windows
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Double-Hung
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Stained Glass
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Sliding Glass
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Bay & Bow Windows
Storefront Glass & Metal
Huntington Station, NY-
No-Hassle Pricing
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Dependable Service
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Excellent Customer Service
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No-fee Quotes
Services Offered
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Architectural Glass
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Heavy Glass
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Custom Windows
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Aluminum Window Frames
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Business Windows
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Double-Hung
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Sliding Glass
Mr. Handyman of Upper Fairfield County
Fairfield, CT-
No-fee Quotes
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Award-Winning
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No-Hassle Pricing
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Good Customer Service
Services Offered
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Double-Hung
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Full-Service Installations
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Custom Windows
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Residential Windows
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Commercial Windows
The Window People
Stamford, CT-
No-fee Quotes
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Good Customer Service
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Educational Website
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Reliable Service
Services Offered
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Residential Windows
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Architectural Glass
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Energy-Efficient Options
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Custom Window Designs
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Aluminum Window Frames
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Business Windows
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Double-Hung
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Sliding Glass
North Shore Window Inc.
Bridgehampton, NY-
Free Quotes
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Good Customer Service
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No-Hassle Pricing
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Award-Winning
Services Offered
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Residential Windows
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Aluminum Window Frames
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Double-Hung
Eastern Glass & Shower Door
Milford, CT-
Good Customer Service
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Free Quotes
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Price Transparency
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Helps Educate Customers
Services Offered
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Doors
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Full-Service Installations
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Custom Windows
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Tempered Glass
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Residential Windows
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Commercial Windows
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Aluminum Window Frames
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Sliding Glass
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Glass Showers
Tri State Window Factory
Deer Park, NY-
Price Transparency
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Award-Winning
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No-fee Quotes
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Dependable Service
Services Offered
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Custom Window Designs
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Fast Delivery
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Sliding Glass
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Double-Hung
Mr. Handyman of Guilford, North and East Haven
East Haven, CT-
Educational Website
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Locally Recognized for Quality
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Good Customer Service
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Price Transparency
Services Offered
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Custom Windows
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Residential Windows
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Business Windows
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Double-Hung
Tri State Window Factory
Seaford, NY-
Award-Winning
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Good Customer Service
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Arrives on Time
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Helps Educate Customers
Services Offered
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Custom Window Designs
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Fast Delivery
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Sliding Glass
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Double-Hung
Window World of Long Island
Farmingdale, NY-
Arrives on Time
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Excellent Customer Service
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No-fee Quotes
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Dependable Service
Services Offered
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Fast Delivery
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Tempered Glass
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Custom Window Designs
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Double-Hung
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Sliding Glass
Long Island Storefronts
Shirley, NY-
Price Transparency
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Helps Educate Customers
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Free Quotes
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Good Customer Service
Services Offered
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Architectural Glass
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Custom Window Designs
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Aluminum Window Frames
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Commercial Windows
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Double-Hung
Lowe's Home Improvement
Riverhead, NY-
Dependable Service
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Educational Website
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Good Customer Service
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Reliable Appointment Windows
Services Offered
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Energy-Efficient Options
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Custom Window Designs
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Aluminum Window Frames
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Double-Hung
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Sliding Glass
Clinton Glass
Clinton, CT-
Award-Winning
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No-Hassle Pricing
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Helps Educate Customers
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Good Customer Service
Services Offered
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Residential Windows
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Glass Showers
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Fast Delivery
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Custom Windows
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Commercial Windows
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Sliding Glass
Cascella And Sons Construction Corp.
Central Islip, NY-
Arrives on Time
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Good Customer Service
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Helps Educate Customers
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Supports Charities
Services Offered
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Custom Windows
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Business Windows
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Double-Hung
THE GLASS EMPORIUM INC.
Kings Park, NY-
Excellent Customer Service
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Price Transparency
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Free Quotes
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Timely Service
Services Offered
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Residential Windows
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Heavy Glass
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Tempered Glass
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Custom Window Designs
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Business Windows
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Double-Hung
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Sliding Glass
Ring's End
Madison, CT-
Educational Website
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Good Customer Service
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No-fee Quotes
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No-Hassle Pricing
Services Offered
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Double-Hung
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Full-Service Installations
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Custom Window Designs
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Business Windows
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Aluminum Window Frames
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Architectural Glass
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Fast Delivery
Ring's End
Branford, CT-
Price Transparency
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Educational Website
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No-fee Quotes
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Good Customer Service
Services Offered
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Double-Hung
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Full-Service Installations
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Custom Windows
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Commercial Windows
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Aluminum Window Frames
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Architectural Glass
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Fast Delivery
Sears Window Replacement
East Northport, NY-
Locally Recognized for Quality
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No-fee Quotes
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No-Hassle Pricing
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Helps Educate Customers
Services Offered
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Sliding Glass
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Custom Window Designs
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Energy-Efficient Options
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Double-Hung
Pella Windows & Doors of Monroe
Monroe, CT-
Price Transparency
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Award-Winning
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Helps Educate Customers
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No-fee Quotes
Services Offered
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Residential Windows
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Custom Window Designs
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Business Windows
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Double-Hung
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Sliding Glass
Local Window Services, Inc.
Hicksville, NY-
Free Quotes
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Consistent Workmanship
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Price Transparency
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Good Customer Service
Services Offered
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Tempered Glass
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Custom Window Designs
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Business Windows
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Double-Hung
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Sliding Glass
A Plus Exterior LLC
Milford, CT-
Locally Recognized for Quality
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Free Quotes
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Helps Educate Customers
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Excellent Customer Service
Services Offered
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Custom Window Designs
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Sliding Glass
Pella Windows & Doors of Norwalk
Norwalk, CT-
Educational Website
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Award-Winning
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Good Customer Service
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Price Transparency
Services Offered
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Residential Windows
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Custom Windows
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Commercial Windows
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Double-Hung
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Sliding Glass
How Installing Energy-Efficient Windows in Middle Island Saves You Money
There are quite a few perks of switching to energy-efficient windows. A few reasons you may want to consider making the change include the following:
- Save money on power bills: Upgrading to energy-efficient windows reduces your energy bills by about 12% since you use less energy.
- Protect your investment: If you have a relatively old home, your windows are most likely in need of replacement. Updating your windows can make your home more comfortable and also help raise the value of your home if you decide to sell.
- Reduce your carbon footprint: In Middle Island, you can lower your indirect greenhouse gas emissions by about 307 pounds per year when you upgrade to energy-efficient windows.
- Protect your valuables: The low-emissivity coatings on many Energy Star certified windows help prevent your floors, carpets and furniture from fading by filtering out UV rays.
Estimated Cost of Window Replacement in Middle Island
Each window installation company offers various services and has varying costs based on a few factors.
How Much Do New Windows Cost?
Even though the average of installing one window is about $600, it can range from $200 to $1,200. This is because window installations depend 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 where your property is located.
It's important to note that windows with the best efficiency may cost more upfront but can save you hundreds of dollars by lowering your energy bills. Investing in certified energy-efficient windows can save Middle Island homeowners $215+ a year when replacing single-pane windows.
Asking for free quotes from several providers is the best way to figure out which one is right for you.
What Services do Window Installers Offer?
In regard to window installations, in general there are two kinds that your provider will have: full-frame and pocket installations.
Full-frame installations are usually recommended when you want a new style or your window has a lot of deterioration. With this service, your installers will replace the complete window, including the trim, frame and sill. A pocket installation entails replacing a window without replacing the frame. So, instead of taking out the whole unit and reinstalling it, the window installer will just put the replacement window (also called a retrofit or insert window) into the frame.
Your window installation company will be able to help you figure out what's best for your needs. In Middle Island, the decision will mostly be based on how old your windows are and if there's any moisture damage. Wood can decay if it's not maintained properly over the years, so it's a good idea to have a professional examine your frames and window sills.
Best Overall
Renewal by Andersen
- Manufactures products in-house
- Great industry reputation
- Member of US Green Building Council
- More expensive than competition
Best Affordability
Window World
- Low prices relative to competitors
- EnergyStar Partner
- Lifetime warranty
- Quality of service will depend on your area
Best Warranty
Universal Windows Direct
- Wide variety of products and services
- Manufactures products in-house
- Makes charitable contributions
- Quality of service will depend on your area
How We Choose the Best Window Installers in Middle Island
In our search to make your home improvements easier and more eco-friendly in Middle Island, EcoWatch assessed dozens of companies before deciding on these. We've evaluated the top window installers in Middle Island mostly based on their energy efficient offerings, as the most sustainable option also benefits homeowners in many ways. Energy-efficient 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
Since this is a guide for Middle Island, we only included companies that cover the city. There are certainly reputable providers that didn't make our list because they wouldn't be able to serve homeowners in Middle Island.
Work Quality
When selecting new windows, the quality and range of services can often play just as important of a role in insulation and performance as the type of window you opt for. We do give window installers more points if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.
Customer Reviews
Another self-explanatory yet very important review factor is customer feedback. If most customers don't have good things to say about their experience with a certain window installation company, you won't see it featured on EcoWatch.
Cost
This one is a give-and-take: as with other services, cheap window companies are not going to provide the most quality service. On the other hand, we want to make sure we're highlighting companies that provide a range of price and financing options so they're accessible to most homeowners.
Warranty
Protecting your investment in new windows is important. That's why window installation companies with 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 a proven track record in the industry. Window installers that have more years of experience will earn higher rankings by our standards. We like to see at least ten years of experience.
Middle Island, NY Window Replacement FAQs
How much should window installation cost?
The national average cost of installing a window is around $600 but can range between $200 and $1,200, based on several factors. The price is typically influenced by the type and material of the window, the size of the window and the location of your property. Also, remember that energy-efficient windows may cost more initially but can save you hundreds of dollars a year in energy bills.
What type of window is the best for energy efficiency?
A window's energy efficiency depends on several 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 installation companies do?
Window installers visit your home to remove your old windows and replace them with new ones. Some providers install products sold by other companies, whereas others are both manufacturers and installation companies combined. The installer will also clean up after the installation.
What time of year is a good time to replace my windows?
Replacement windows can be installed any time of the year, 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 home, so the temperature outside doesn't necessarily matter that much. What's more important than the temperature is that the weather should be dry.
When is it time to replace your windows?
Windows have an average lifespan of about 20 to 30 years. If your windows are older than that, they probably need to be replaced. Apart from that, if your windows have any damage on them, or they have become difficult to operate, they may be in need of replacement.