20 Best Window Companies in Stanhope, NJ (2023 Reviews)
Looking to replace your windows? We've got all the information you need in this guide to the top window installation companies.
We analyzed all the top-rated window companies in Stanhope 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
Whether you're updating for aesthetics or have old windows, windows play a important role in conserving your home's energy. If your windows are made of traditional materials, or are outdated or damaged, you could be losing 25-30% of your home's heat or cool air right out of them.
That's also bad news for the environment because the additional energy required by old windows increases your carbon footprint.
Because windows have such a great impact on your home, selecting the best company for you is a big decision to make. That's why the EcoWatch team has put together this list of the top window replacement 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 Stanhope
The EcoWatch team evaluated dozens of installers across the country to find the best window installation companies for our readers. The companies in this article scored best in our review categories, such as energy-efficient offerings, local expertise, price, availability, 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 Stanhope. 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 business for around 27 years.
It is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.
Energy Efficiency of Window World WindowsIts high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home. Not all of Window World’s windows are Energy Star certified, so be sure to mention that you want Energy Star windows when inquiring.
How much does Window World cost in Stanhope?Window World doesn’t have any pricing information displayed on its website, but it's known for offering some of the most affordable window installations around. If you’d like to know for sure, you can inquire about 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 Stanhope. 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 provides services to nearly every state except Mississippi and West Virginia. Hundreds of positive reviews on customer review websites back the provider's reputation.
It 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’s commitment to sustainability shows in its energy-efficient window offerings. 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 Stanhope?Andersen doesn’t have any pricing information displayed 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. If you’d like to know for sure, you can inquire about 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 provides the best window installation for businesses in Stanhope. Aeroseal has about 23 years of experience in the windows industry, and it currently provides services to 13 states and Washington D.C. The provider has hundreds of positive reviews from customers on online review websites.
If you’re looking for a company that installs windows and doors at businesses across the Eastern U.S, Aeroseal may be the company for you.
Energy Efficiency of Aeroseal Windows WindowsAeroseal Windows has some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want high-quality Energy Star windows when inquiring. The company claims it helps businesses save on energy expenses and reduce their carbon footprints with energy-efficient windows, as well as practices like Low-E glass coating, weatherstripping and more.
How much does Aeroseal Windows cost in Stanhope?Prices aren’t available on Aeroseal’s website, but it provides high-quality windows at a competitive price point. For more accurate information on pricing, you can request a 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 Stanhope. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has about 20 years of industry experience, and it currently provides services to 27 states nationwide. Hundreds of positive reviews on customer review websites back the provider's reputation.
It has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsUniversal Windows Direct’s commitment to sustainability shows in its 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 Stanhope?Universal doesn’t have any pricing information displayed on its website, but 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 inquire about a quote on the company’s website.
We have tried to remain unbiased and transparent by listing pros and cons for every provider. Additionally, any partnerships do not affect our reviews.
More Window Companies in Stanhope
Renewal by Andersen of NJ/NY Metro
Cranford, 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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Commercial Windows
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Custom Window Designs
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Glass Showers
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Sliding Glass
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Double-Hung
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Stained Glass
Window World of North Jersey
Fairfield, NJ-
Educational Website
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Good Customer Service
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Price Transparency
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Free assessment
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Timely Service
Services Offered
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Fast Delivery
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Sliding Glass
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Bay Windows
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Window Replacement
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Double-Hung
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Custom Window Designs
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Residential Windows
New Jersey Siding & Windows, Inc.
Randolph, NJ-
Timely Service
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Good Customer Service
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Free assessment
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Educational Website
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Price Transparency
Services Offered
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Double-Hung
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Commercial Windows
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Bay Windows
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Residential Windows
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Window Replacement
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Custom Window Designs
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Sliding Glass
RJW Exteriors
Lake Hopatcong, NJ-
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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Residential Windows
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Double-Hung
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Custom Window Designs
Cunningham Siding & Replacement
NJ 07836, NJ-
Good Customer Service
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Free assessment
Services Offered
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Fast Delivery
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Commercial Windows
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Glass Showers
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Residential Windows
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Custom Window Designs
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Window Replacement
Roman Stolyarchuk/ Home Improvement Contractor
Morristown, NJ-
Price Transparency
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Good Customer Service
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Free assessment
Services Offered
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Custom Window Designs
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Window Replacement
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Residential Windows
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Fast Delivery
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Glass Showers
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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Commercial Windows
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Residential Windows
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Custom Window Designs
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Window Replacement
Basking Ridge Glass and Mirror
Basking Ridge, NJ-
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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Window Repair
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Commercial Windows
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Sliding Glass
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Residential Windows
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Window Replacement
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Glass Showers
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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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Residential Windows
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Custom Window Designs
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Commercial Windows
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Aluminum Window Frames
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Window Replacement
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Fast Delivery
New View Windows and Doors
East Hanover, NJ-
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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Window Replacement
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Fast Delivery
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Custom Window Designs
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Aluminum Window Frames
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Residential Windows
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Stained Glass
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Double-Hung
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Sliding Glass
Blue Nail Exteriors
Montville, NJ-
Free assessment
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Good Customer Service
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Educational Website
Services Offered
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Fast Delivery
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Window Replacement
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Residential Windows
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Custom Window Designs
Lifetime Aluminum
East Hanover, NJ-
Timely Service
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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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Sliding Glass
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Residential Windows
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Commercial Windows
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Custom Window Designs
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Bay Windows
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Glass Showers
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Fast Delivery
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Double-Hung
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Aluminum Window Frames
Madison Door
Madison, NJ-
Free assessment
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Educational Website
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Price Transparency
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Good Customer Service
Services Offered
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Bay Windows
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Fast Delivery
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Residential Windows
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Sliding Glass
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Window Replacement
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Custom Window Designs
Sasse Glass
Augusta, NJ-
Educational Website
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Price Transparency
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Good Customer Service
Services Offered
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Custom Window Designs
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Glass Showers
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Window Replacement
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Residential Windows
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Commercial Windows
Windows & Doors By The Men With Tools
Summit, NJ-
Educational Website
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Price Transparency
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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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Fast Delivery
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Custom Window Designs
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Double-Hung
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Residential Windows
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Commercial Windows
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Glass Showers
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Energy-Efficient Options
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Bay Windows
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Window Replacement
PJ Fitzpatrick
Fairfield, NJ-
Good Customer Service
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Price Transparency
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Educational Website
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Timely Service
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Free assessment
Services Offered
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Glass Showers
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Double-Hung
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Custom Window Designs
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Residential Windows
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Window Replacement
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Window Repair
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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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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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Residential Windows
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Custom Window Designs
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Commercial Windows
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Fast Delivery
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Glass Showers
Times Siding & Windows
Branchburg, NJ-
Good Customer Service
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Price Transparency
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Free assessment
Services Offered
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Double-Hung
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Fast Delivery
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Residential Windows
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Custom Window Designs
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Window Replacement
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Sliding Glass
CKG Contractors Inc Roofing-Siding-Windows Andersen Certified, GAF Authorized.
Summit, NJ-
Good Customer Service
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Timely 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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Residential Windows
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Commercial Windows
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Window Replacement
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Custom Window Designs
Winstar Windows
Essex Fells, NJ-
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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Sliding Glass
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Residential Windows
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Custom Window Designs
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Window Replacement
Calculate how much you can expect to pay for window installation and replacement in Stanhope, 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 Stanhope Saves You Money
Energy-efficient windows can benefit you in several ways. Here are some reasons you may want to think about making the switch:
- Better temperature control in your home: Energy-efficient windows can lower the amount of heat lost through your windows when heating your home.
- 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: Many Energy Star certified windows have low-emissivity coatings, which filter out damaging UV rays, preventing fading of your furniture, carpet and other valuables.
- Save money on power bills: According to the Department of Energy, heat gained or lost through windows accounts for around 25-30% of residential energy use. Installing energy-efficient models can help decrease how much you have to pay, therefore saving you about 12% more on your bills.
Estimated Cost of Window Replacement in Stanhope
Each window installer provides varying services and has varying price points depending on a few factors.
How Much Do New Windows Cost?
Generally, homeowners in Stanhope can anticipate that most window installations will cost between $250 and $1,200, with the most common installations sitting at around $600. This is due to the fact that window installations are based on several factors specific to your home, like the size, material and number of windows you need to replace, as well as the location of your property.
It's also worth bearing in mind that energy-efficient windows will typically cost more initially, but Energy Star predicts that switching out the windows on your Stanhope home translates to an average energy savings of $236 to $319 per year for single-pane window replacement, or between $87 to $126 per year for double-pane windows. The amount of money you'll save by switching to energy-efficient windows varies based on your local climate, energy rates and other factors unique to your home.
Another factor that affects the overall cost is the material you choose for your frame. Aluminum frames are usually the least pricey and are sturdy and light, but they offer poor insulation. On the other hand, wood frames cost the most because they are aesthetically pleasing and offer decent insulation. Fiberglass and vinyl frames provide good insulation and cost somewhere between the other two.
What Services do Window Installers Offer?
Generally, there are two kinds of window replacement services companies provide: full-frame and pocket installations.
Full-frame installations entail replacing the complete window, including the trim, frame and sill. Full-frame installations are necessary when you want a new style or your window has considerable rot or deterioration. Full-frame installations are more involved and will raise the overall cost. Pocket installations (or retrofits) involve replacing a window within its existing frame, which makes pocket installations more simple and affordable. However, if the frame has any rot or deterioration, you should opt for a full-frame installation instead.
Your window installer should be able to help you choose which type of installation you should get.
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 Stanhope
In our hunt to find the most reliable, eco-friendly window installers in Stanhope, EcoWatch landed on the above companies as the best window installation companies in the city. We have assessed the top window replacement companies in Stanhope mostly based on energy efficiency, as it's what's best for the environment and for you as a homeowner. 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 Stanhope, we gave more points to companies that cover the city. There are certainly other reputable providers that didn't make our list because they wouldn't be able to serve homeowners in Stanhope.
Work Quality
We're willing to bet that you're not looking for a company to do a shoddy job installing windows. We've vetted each company included on this list to ensure its technicians are well-qualified and that the company has received lots of positive customer feedback to vouch for its service.
Customer Reviews
Customer feedback is another very important review factor. If the majority of customers don't have good things to say about their experience with a certain company, it won't be featured on EcoWatch.
Cost
Cheaper windows don't necessarily mean better windows, but we know many of our readers want to keep costs low when possible. When analyzing the prices of providers, we awarded higher scores to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
As discussed, windows are a hefty 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 experience are going to earn higher rankings by our standards. We like to see at least ten years of experience.
Stanhope, NJ Window Replacement FAQs
How much does a window install cost?
The average cost to install a window can range between $450 and $650. There are many factors that influence the price, including styles and sizes of windows, your property's location, local labor costs, the number of windows, how energy-efficient the windows are and the materials used in designing the windows.
What type of window is the best for energy efficiency?
A window's energy efficiency is affected by 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 usually the most energy-efficient since they are certified by the U.S. Department of Energy.
What services do window replacement companies do?
Window installation professionals will do the entire process — from replacing old windows with new ones to cleaning up afterward. Additionally, a lot of companies offer window manufacturing, customization and repairs.
What time of year is the best time to replace my windows?
Replacement windows can be installed any time of the year, but autumn might be the best season. No matter when you install them, the contractors will take steps to ensure that too much hot or cold air doesn't get into your house, so the temperature outside doesn't necessarily matter that much. What's more important than the temperature is that the weather should be dry.