20 Best Window Companies in Hanover, NJ (2023 Reviews)
Looking to improve your house's insulation? The top window replacement companies can help.
We analyzed all the top-rated window companies in Hanover 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 guide on the top window replacement companies in Hanover may not seem like the most captivating article on EcoWatch, but trust us, windows have more of an impact on your life than you might think. Drafty windows can cost you in electricity bills. As a matter of fact, the Department of Energy estimates that about 30% of your home's heat or cool air could be lost through your windows.
Replacement windows improve the insulation in your home, not only making you more comfortable during the summer and winter, but also saving you money and helping the environment.
Because windows have such a considerable impact on your home, selecting the right company for you is a big choice to make. That's why the EcoWatch team has curated this list of the top window installation companies, so you can make an informed decision more easily.
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 Hanover
The EcoWatch team assessed dozens of installers in Hanover to find the best window companies for our readers. The providers 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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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 Hanover. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This window installation company has been operating since 1995 and currently services 200 locations nationwide. Its reputation is backed by many positive reviews from customers online.
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 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 Hanover?Prices are not available on Window World’s website, as the cost of window installment varies greatly based on how many and what type(s) of windows you need. However, it's known for offering some of the most affordable window installations around. If you’d like to know for sure, you can get a quote on the company’s website.

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 has the best availability in Hanover. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This window installation company has been operating since 1995 and currently services nearly every state except Mississippi and West Virginia. Its reputation is backed by many 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 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 Hanover?Prices are not available on Andersen’s website, as the cost of window installment varies greatly 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. If you’d like to know for sure, you can get a quote on the company’s website.

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 Hanover. 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 in business since 1999 and currently services 13 states and Washington D.C. The provider has many positive reviews from customers on online review websites.
It installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsThere are a wide variety of window types that Aeroseal Windows offers, some of which are Energy Star products. 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 Hanover?Prices are not available on Aeroseal’s website because the cost of window replacement depends on how many and what type(s) of windows you need. However, it provides high-quality windows at a competitive price point. The best way to get more accurate information is to request 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 has the best warranty in Hanover. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. This window installation company has been operating since 2002 and currently services 27 states nationwide. Its reputation is backed by many positive reviews from customers online.
It has established itself as a company that has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsThere are a wide range of window types available from Universal Windows Direct, 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 Hanover?Prices are not available on Universal’s website, as the cost of window installment varies greatly 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. If you’d like to know for sure, you can get a quote on the company’s website.
We have tried to stay unbiased and transparent by mentioning pros and cons for each company. Additionally, any partnerships do not affect our rankings.
More Window Companies in Hanover
Renewal by Andersen of NJ/NY Metro
Cranford, NJ-
Price Transparency
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Educational Website
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Free assessment
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Good Customer Service
Services Offered
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Custom Window Designs
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Sliding Glass
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Double-Hung
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Window Replacement
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Commercial Windows
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Glass Showers
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Residential Windows
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Stained Glass
Window World of North Jersey
Fairfield, NJ-
Price Transparency
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Educational Website
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Timely Service
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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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Residential Windows
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Double-Hung
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Bay Windows
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Window Replacement
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Custom Window Designs
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Fast Delivery
Windows & Doors By The Men With Tools
Summit, NJ-
Educational Website
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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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Glass Showers
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Fast Delivery
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Commercial Windows
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Double-Hung
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Custom Window Designs
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Window Replacement
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Residential Windows
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Energy-Efficient Options
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Bay Windows
PJ Fitzpatrick
Fairfield, NJ-
Good Customer Service
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Free assessment
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Educational Website
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Timely Service
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Price Transparency
Services Offered
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Residential Windows
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Custom Window Designs
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Window Repair
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Commercial Windows
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Glass Showers
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Window Replacement
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Double-Hung
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Sliding Glass
New View Windows and Doors
East Hanover, NJ-
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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Custom Window Designs
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Double-Hung
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Window Replacement
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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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Sliding Glass
New Jersey Siding & Windows, Inc.
Randolph, NJ-
Price Transparency
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Free assessment
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Good Customer Service
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Educational Website
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Timely Service
Services Offered
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Residential Windows
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Bay Windows
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Window Replacement
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Commercial Windows
RWC Windows, Doors, Kitchens, & Baths
West Caldwell, NJ-
Timely Service
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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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Glass Showers
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Custom Window Designs
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Fast Delivery
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Window Replacement
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Residential Windows
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Commercial Windows
Carolan Contractors
Verona, NJ-
Free assessment
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Educational Website
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Timely Service
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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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Window Replacement
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Commercial Windows
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Custom Window Designs
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Double-Hung
Window King Of New Jersey / Window Replacement And Installation
Springfield, NJ-
Educational Website
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Timely Service
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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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Aluminum Window Frames
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Glass Showers
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Double-Hung
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Window Replacement
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Sliding Glass
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Residential Windows
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Fast Delivery
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Commercial Windows
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Custom Window Designs
CKG Contractors Inc. Roofing-Siding-Window Experts.
Parsippany-Troy Hills, NJ-
Timely Service
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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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Window Replacement
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Residential Windows
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Commercial Windows
Lifetime Aluminum
East Hanover, NJ-
Good Customer Service
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Educational Website
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Price Transparency
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Timely Service
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Free assessment
Services Offered
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Glass Showers
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Window Replacement
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Double-Hung
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Fast Delivery
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Residential Windows
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Commercial Windows
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Bay Windows
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Sliding Glass
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Custom Window Designs
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Aluminum Window Frames
R and G Roofing - Carpentry and Siding
City of Orange, NJ-
Price Transparency
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Timely Service
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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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Glass Showers
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Fast Delivery
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Custom Window Designs
Roman Stolyarchuk/ Home Improvement Contractor
Morristown, NJ-
Good Customer Service
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Free assessment
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Price Transparency
Services Offered
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Residential Windows
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Fast Delivery
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Window Replacement
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Glass Showers
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Custom Window Designs
Winstar Windows
Essex Fells, NJ-
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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Window Replacement
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Residential Windows
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Sliding Glass
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Custom Window Designs
Blue Nail Exteriors
Montville, NJ-
Good Customer Service
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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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Fast Delivery
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Custom Window Designs
Madison Door
Madison, NJ-
Educational Website
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Free assessment
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Good Customer Service
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Price Transparency
Services Offered
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Sliding Glass
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Bay Windows
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Residential Windows
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Window Replacement
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Fast Delivery
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Custom Window Designs
Mighty Dog Roofing
Whippany, NJ-
Price Transparency
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Good Customer Service
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Free assessment
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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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Aluminum Window Frames
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Custom Window Designs
Six Brothers Contractors LLC
Lincoln Park, NJ-
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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Window Replacement
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Residential Windows
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Custom Window Designs
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Commercial Windows
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Glass Showers
Basking Ridge Glass and Mirror
Basking Ridge, NJ-
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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Window Repair
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Custom Window Designs
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Commercial Windows
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Glass Showers
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Sliding Glass
CKG Contractors Inc Roofing-Siding-Windows Andersen Certified, GAF Authorized.
Summit, NJ-
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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Window Replacement
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Residential Windows
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Commercial Windows
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Custom Window Designs
Calculate how much you can expect to pay for window installation and replacement in Hanover, NJ 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 Hanover Saves You Money
Switching to energy-efficient windows can help improve the comfort of your home and help you save on energy bills. Here are more ways switching out your windows could help you:
- Better temperature control in your home: When you live in a place like Hanover where the winters can get very cold, you usually need to depend on your heater to keep your home warm. Energy-efficient windows can lower how hard your heater needs to work to heat your home.
- Save on energy bills: Because energy-efficient windows decrease how much energy you need to heat or cool your home, they can help you save around $287 annually on your energy bills in Hanover.
- Protect your investment: When your home is on the older side, your windows could also be outdated or leaky. Upgrading and repairing your windows is an important part of maintaining your property and its real estate value.
- Protect your valuables from fading: When you upgrade to energy-efficient windows with low-emissivity coatings, your floors, carpets and furniture will be protected from fading because of their ability to filter out harmful UV rays.
Estimated Cost of Window Replacement in Hanover
Windows come in various purposes, shapes and styles, so costs and services will differ tremendously depending on several factors. Below, we detail the typical cost and services that you'll find from window replacement companies.
How Much Do New Windows Cost?
On average, homeowners in Hanover can anticipate that most replacement window installations will cost between $250 and $1,200, with the average cost sitting at around $600. How much it will cost depends on several factors, such as material, type, the location of your home, size, number of windows and more.
It's important to note 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 Hanover homeowners $287+ a year when replacing single-pane windows.
Another factor that affects the total cost is the material you select for your frame. Aluminum frames are usually the least expensive and are sturdy and light, but they provide poor insulation. On the other hand, wood frames cost the most, as they are aesthetically pleasing and provide decent insulation. Fiberglass and vinyl frames provide good insulation as well and cost somewhere between the other two.
What Services do Window Installers Offer?
There are generally two kinds of window replacement services: full-frame and pocket installations.
Full-frame installations involve replacing the entire window — the sill, frame, trim and all. These are typically done when you want to change the style of your window or when it has significant rot or deterioration. Full-frame installations involve more time and labor and will increase overall costs. A pocket installation entails replacing a window within the existing frame, which tends to be cheaper than a full-frame installation.
Your window installation company should be able to help you figure out which type of installation you need.
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 Hanover
In our search to make your home improvements easier and more eco-friendly in Hanover, the EcoWatch team landed on the above companies as the top window installation companies in the city. We have decided to evaluate the top window replacement companies in Hanover primarily based on energy efficiency, as it's the most sustainable option and the best one for homeowners. Energy-efficient windows can lower electricity bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:
Service Area
This one is self-explanatory, but we've chosen to highlight window installers that serve the Hanover area so you can find the right window installation company near you.
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 on this list to make sure its contractors are well-qualified and that the company has gotten plenty of positive customer feedback to vouch for its service.
Customer Reviews
Customer feedback is another super important review factor. If most customers don't have positive things to say about their experience with a certain company, you won't see it featured on EcoWatch.
Cost
Cheaper windows don't necessarily mean better windows, but we know many of our readers want to keep costs as low as possible. When analyzing the prices of providers, we gave higher points to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
As discussed previously, windows are a significant investment, so you'll want to make sure that investment is well protected. Window installation companies that give you lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Due to Hanover's climate, homeowners will want to mitigate low efficiency, water damage and rot. We factored in local experience to reflect the ability of Hanover window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.
Hanover, NJ Window Replacement FAQs
How much does a window install cost?
The national average cost to install a window is around $600 but can range between $200 and $1,200, depending on a variety of factors. The price is generally dependent on the size of the window, the location of your property and the type and material of the window. Also, bear in mind that energy-efficient windows may cost more initially but can save you hundreds of dollars a year in energy bills.
What are the most common types of replacement windows?
There are various types of windows you can get for your house, including slider windows, casement windows, awning windows, double-hung and single-hung windows, transom windows, picture windows and bay windows.
What do window installers do?
Window installers will do the entire process — from replacing old windows with new ones to cleaning up after the windows have been put in place. In addition, a lot of companies offer window manufacturing, customization and repairs.
How often should you replace windows?
Windows have an average lifespan of about 20 to 30 years. If your windows are older than that, then they probably need to be replaced. Other than that, if your windows have damage anywhere on them, or they have become difficult to operate, they may need to be replaced.