20 Best Window Companies in Clark, NJ (2025 Reviews)
Are you thinking about upgrading your windows? Our guide to the top window installation companies can help you narrow down which one to choose.
We analyzed all the top-rated window companies in Clark and selected the best 20 based on:
Customer reviews
Window installation expertise
Popularity with home-owners like you
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Why you can trust EcoWatch
A guide on the top window replacement companies in Clark may not seem like the most captivating article on EcoWatch, but trust us, windows impact your life more than you might realize. Drafty windows can make your home uncomfortable in the summer or winter.
Replacement windows improve the insulation in your home, not only making you and your family more comfortable during the summer and winter, but also saving you some money and helping the environment.
As windows have such a considerable impact on your home, selecting the right company for you is a big decision to make. That’s why the EcoWatch team has put together this list of the best window installation companies, so you can more easily make an informed decision.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
Best Window Installation & Replacement Companies in Clark
The EcoWatch team evaluated dozens of providers that serve the Clark area to find the best window installation companies by our standards. The providers we’ve included in this article scored best in our categories, which include energy-efficient offerings, availability, customer service, price and more.

Window World
EnergyStar Partner
Large serice area
Low prices relative to competitors
Great industry reputation
Lifetime warranty
Quality of service will depend on your area
Window World provides windows expertise in Clark. This provider has 27 years of experience in the windows industry, and it has proved to be one of the best companies in Clark. Hundreds of positive reviews on customer review websites back the provider's reputation.
Window World may be the company for you if you're looking for one that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.
Energy Efficiency of Window World 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 offerings are Energy Star certified, so be sure to mention that you’re interested in Energy Star windows when inquiring.
How much does Window World cost in Clark?Window World doesn’t have any prices available on its website, but it's known for offering some of the most affordable window installations around. If you’d like more accurate information, you can get a quote on the company’s website.

Renewal by Andersen
Great industry reputation
Award-winning company
Member of US Green Building Council
Manufactures products in-house
No lifetime warranty
More expensive than competition
Renewal by Andersen provides the best availability in Clark. This provider has 27 years of experience in the windows industry, and it has proved to be one of the best companies in Clark. Hundreds of positive reviews on customer review websites back the provider's reputation.
Andersen may be the company for you if you're looking for one that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen WindowsA handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019. Not all of Andersen’s offerings are Energy Star certified, so be sure to mention that you’re interested in Energy Star windows when inquiring.
How much does Renewal by Andersen cost in Clark?Andersen doesn’t have any prices available on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. If you’d like more accurate information, you can get a quote on the company’s website.

Aeroseal Windows
Many years of experience
Great industry reputation
Low number of customer complaints
Manufactures products in-house
Custom Designs
No lifetime warranty
Not ideal for residential installations
Aeroseal Windows provides the best window installation for businesses in Clark. This provider has 23 years of experience in the windows industry, and it has proved to be one of the best companies in Clark. Hundreds of positive reviews on customer review websites back the provider's reputation.
Aeroseal may be the company for you if you're looking for one that installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsThe 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. Not all of Aeroseal’s offerings are Energy Star certified, so be sure to mention that you’re interested in Energy Star windows when inquiring.
How much does Aeroseal Windows cost in Clark?Aeroseal doesn’t have any prices available on its website, but it provides high-quality windows at a competitive price point. If you’d like more accurate information, you can get a quote on the company’s website.
Please note that the following companies are national, meaning the quality of customer service may vary depending on your local crew. We have tried to remain unbiased and transparent by mentioning pros and cons for every provider.
More Window Companies in Clark
Renewal by Andersen of NJ/NY Metro
Cranford, NJFree assessment
Educational Website
Price Transparency
Good Customer Service
Services Offered
Skylights
Window Replacement/Installation
Glass Doors
Double-Hung
Bay Windows
Zeus Siding & Windows LLC
Irvington, NJSiding, roofing, and windows
Educational Website
Price Transparency
Weekend availability
Good Customer Service
Satisfaction-guaranteed warranties
Free assessment
Services Offered
Window Replacement/Installation
Bloomfield Window and Door Company
Bloomfield, NJFree assessment
Services Offered
Window Replacement/Installation
Screen Repair
Winstar Windows
Essex Fells, NJGood Customer Service
Price Transparency
Free assessment
Second-generation family-owned and -operated
Second-generation-family-owned and operated
Wide variety of windows
Educational Website
One-day window installation
Services Offered
Window Replacement/Installation
Glass Doors
Ben Window & Glass
Brooklyn, NYEducational Website
Wide selection
Foggy window repair
Free assessment
Weekend availability
Price Transparency
Services Offered
Window Replacement/Installation
Window Repair
United Windows And Glass Repair LLC
Brooklyn, NYFree assessment
Good Customer Service
Educational Website
Price Transparency
Services Offered
Energy-Efficient Options
Double-Hung
Tempered Glass
Window Repair
Bay Windows
Glass Repair
Window Replacement/Installation
F5 Remodeling
Rutherford, NJFamily-owned and operated
Free assessment
Full-service installation
Educational Website
Minority-owned and operated
Price Transparency
Good Customer Service
Services Offered
Window Replacement/Installation
Kepo Siding & Windows
Hillsborough Township, NJFree assessment
Timely Service
Good Customer Service
Services Offered
Glass Doors
Window Replacement/Installation
Energy-Efficient Options
Prown's Windows & Doors
Middletown Township, NJFree assessment
Services Offered
Glass Showers
Double-Hung
Window Replacement/Installation
Glass Doors
HDL Construction LLC — Windows replacement, Roofing, Roof service, Siding replacement, Chimney, Deck, Masonry
Hasbrouck Heights, NJEducational Website
24-hour emergency service
Price Transparency
Free assessment
Good Customer Service
Saturday and Sunday availability
Free in-home consultation
Services Offered
Window Replacement/Installation
Cityproof Soundproof Windows
Long Island City, NYTrademark soundproof Citiwindows
Educational Website
Over 50,000 installations completed
Good Customer Service
No-construction services available
Free assessment
Price Transparency
Timely Service
Services Offered
Custom Window Designs
Energy-Efficient Options
Window Replacement/Installation
National Home Improvements
Colts Neck, NJGood Customer Service
Timely Service
Educational Website
Free assessment
Price Transparency
Services Offered
Window Replacement/Installation
Frank Conforti Contracting
North Haledon, NJFree assessment
Price Transparency
Educational Website
Good Customer Service
Services Offered
Window Repair
Energy-Efficient Options
Skylights
Window Replacement/Installation
Aspen Home Remodeling, LLC.
Oradell, NJGood Customer Service
Educational Website
Price Transparency
Free assessment
Services Offered
Window Replacement/Installation
Skylights
Energy-Efficient Options
M & R Windows
Bronx, NYTimely Service
Price Transparency
Services Offered
Window Replacement/Installation
Creative Custom Construction, Inc.
Allentown, NJGood Customer Service
Price Transparency
Free assessment
Timely Service
Services Offered
Window Replacement/Installation
Edge Remodeling, Inc.
Franklin Square, NYFree assessment
Labor warranties available
Price Transparency
Family-owned and operated
Good Customer Service
Free same-day estimates
Services Offered
Window Replacement/Installation
Parco Home Improvement Corp.
Franklin Square, NYFree assessment
Price Transparency
Services Offered
Vinyl Frames
Energy-Efficient Options
Window Replacement/Installation
Window25
Kenilworth, NJGood Customer Service
Price Transparency
Timely Service
Services Offered
Window Replacement/Installation
Custom Window Designs
Nunez Home Improvement, LLC
Elizabeth, NJSatisfaction guarantee
Educational Website
Good Customer Service
Price Transparency
Financing options available
25-year warranty
Free assessment
Services Offered
Window Replacement/Installation
Calculate how much you can expect to pay for window installation and replacement in Clark, 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 Clark Saves You Money
By switching to energy-efficient windows, you and your family can enjoy several benefits, such as:
- Decrease your carbon footprint: Reducing how much energy you use also lowers your indirect greenhouse gas emissions. You could reduce it by 206 pounds per year on average.
- Protect your investment: The older your home is, the more likely it is that getting new windows will benefit you. Older homes usually have windows that are outdated, leaky or potentially even damaged in some way. Upgrading your windows could help increase the value of your home if you decide to sell.
- Save money on energy bills: The Department of Energy estimates that heat gained or lost through windows makes up about 25-30% of energy use in your home. Upgrading to energy-efficient windows can help lower that number, which helps you save more on your bills.
- Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which filter out damaging UV rays, reducing fading of your furniture, carpet and other valuables.
Estimated Cost of Window Replacement in Clark
Each window installation company offers various services and has varying prices based on a few factors.
How Much Do New Windows Cost?
On average, Clark homeowners can anticipate their replacement window installations to range from $250 to $1,200. The most common installations sit at approximately $600. These estimates vary depending on specific characteristics of your installation, including type, material, size, number of windows, the location of your home and more.
With windows, efficiency is one of the most important factors for many homeowners. Windows with higher efficiency may cost more off the bat, but by increasing the efficiency of your home — especially during the summer and winter — they can provide many years of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save Clark homeowners $290+ a year after replacing single-pane windows.
We recommend requesting free quotes from several window installers to find the right windows and the company that works best for your budget.
What Services do Window Installers Offer?
The first thing to ask yourself when planning a window installation is: Should you get a full-frame installation or a pocket installation?
A full-frame installation replaces the total window, including the sill, frame, trim and the window panes. Because this kind of installation is more involved, it will cost more than a pocket installation. A pocket installation involves replacing a window within the old frame. This means instead of taking out the whole window and rebuilding it, the contractor will just put the replacement window (also called a retrofit or insert window) into the frame.
If you’re still trying to decide which type of installation you need, you can ask your provider and get their recommendation. The decision mostly is influenced by the age of your window frames and if there’s any damage present.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
How We Choose the Best Window Installers in Clark
In our search to make your home improvements easier and more eco-friendly in Clark, EcoWatch chose the above companies as the top window installation companies in the city. We’ve evaluated the top window installers in Clark primarily based on energy efficiency, as it’s the most sustainable option and the best one for homeowners. Energy-efficient windows have been shown to lower power bills by hundreds of dollars. Along with energy efficiency, our rating methodology considers the following factors:
Service Area
This one is self-explanatory, but we’ve chosen to highlight window installation companies that serve the Clark area so you can find a quality window installation company near you.
Work Quality
We’re certain that you’re looking for professionals who do a great job installing windows. We’ve vetted each company on this list to ensure its contractors are well-qualified and that the company has gotten tons of positive customer feedback to vouch for its service.
Customer Reviews
We analyzed trends in recent customer feedback to find the companies with the most customer satisfaction. Customer satisfaction might be the most important factor, as it reflects the quality of services across nearly every category, including professionalism, cost, quality of parts, warranty, quality of installation and more.
Cost
Cheaper windows don’t necessarily mean better windows, but we know many of our readers try to keep costs as low as possible. When analyzing the prices of providers, we awarded higher points to companies with reasonable prices and accessible financing rather than “cheaper” services.
Warranty
Protecting your investment in new windows is important. For that reason, window installation companies that have lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Due to Clark’s climate, homeowners will want to mitigate rot, low efficiency and water damage. We factored in local experience to reflect the ability of Clark window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.
Clark, NJ Window Replacement FAQs
How much does a window install cost?
The national average cost of replacing a single window is about $600 but can range from $200 to $1,200, based on a variety of factors. The price is usually influenced by the type and material of the window, the location of your property and the size of the window. Also, bear in mind that energy-efficient windows may cost more upfront but can save you a decent amount of money a year in energy bills.
What type of window is the most energy-efficient?
A window’s energy efficiency is influenced by several factors, including the quality of the installation and the kind of window. Look for Energy Star Certified windows — these are often the most energy-efficient and are certified by the U.S. Department of Energy.
When do I need to use a window installation company?
You should use a window installation company whenever you want new windows. Installing windows is a involved process that can take a lot of time, so it’s best handled by the professionals.
When is it time to replace your windows?
Windows have a typical lifespan of about 20 to 30 years. If your windows are older than that, they should probably be replaced. Other than that, if your windows have any damage on them, or they have become difficult to open or close, they may need to be replaced.