20 Best Window Companies in Middlesex, NJ (2025 Reviews)
Are you thinking of upgrading your windows? Our list of the best window installation companies can help you pick the right one for you.
We analyzed all the top-rated window companies in Middlesex 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 review of the top window replacement companies in Middlesex may not seem like the most compelling article on EcoWatch, but trust us, windows impact your life more than you might realize. If your house has old or damaged windows, your AC or heating system could be working extra hard to heat or cool your home. This means spending more on electricity bills.
That’s bad news for both your wallet and the environment, but one of the best window installation companies can help with that.
So if you’re building a new home, renovating or updating your windows in Middlesex, this guide is the best place to get started.
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 Middlesex
The EcoWatch Reviews team researched many window installation companies across Middlesex to narrow our list down to the top ones. The companies we’ve mentioned in this article passed our review standards for energy-efficient offerings as well as customer service, price, local expertise and beyond.

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 has windows expertise in Middlesex. Window World has about 27 years of experience in the window installation business. Hundreds of positive reviews from customers online back the company's reputation.
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 WindowsWindow World’s commitment to sustainability shows in its energy-efficient window offerings. 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 Middlesex?Window World doesn’t have any prices displayed on its website, but it's known for offering some of the most affordable window installations around. The best way to know for sure is to request a free quote from the company.

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 has the best availability in Middlesex. Andersen has about 27 years of experience in the window installation business. Hundreds of positive reviews from customers online back the company'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 Middlesex?Andersen doesn’t have any prices 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. The best way to know for sure is to request a free quote from the company.

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 has the best window installation for businesses in Middlesex. Aeroseal has about 23 years of experience in the window installation business. Hundreds of positive reviews from customers online back the company's reputation.
It installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsAeroseal Windows’s commitment to sustainability shows in its energy-efficient window offerings. 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 Middlesex?Aeroseal doesn’t have any prices displayed on its website, but it provides high-quality windows at a competitive price point. The best way to know for sure is to request a free quote from the company.
We have tried to remain unbiased and transparent by including pros and cons for every company. Additionally, any partnerships do not influence our rankings.
More Window Companies in Middlesex
Renewal by Andersen of NJ/NY Metro
Cranford, NJEducational Website
Free assessment
Good Customer Service
Price Transparency
Services Offered
Glass Doors
Skylights
Bay Windows
Window Replacement/Installation
Double-Hung
Kepo Siding & Windows
Hillsborough Township, NJFree assessment
Timely Service
Good Customer Service
Services Offered
Window Replacement/Installation
Glass Doors
Energy-Efficient Options
Zeus Siding & Windows LLC
Irvington, NJSiding, roofing, and windows
Good Customer Service
Educational Website
Weekend availability
Free assessment
Price Transparency
Satisfaction-guaranteed warranties
Services Offered
Window Replacement/Installation
Winstar Windows
Essex Fells, NJSecond-generation family-owned and -operated
Wide variety of windows
Good Customer Service
One-day window installation
Educational Website
Price Transparency
Second-generation-family-owned and operated
Free assessment
Services Offered
Glass Doors
Window Replacement/Installation
Bloomfield Window and Door Company
Bloomfield, NJFree assessment
Services Offered
Screen Repair
Window Replacement/Installation
Prown's Windows & Doors
Middletown Township, NJFree assessment
Services Offered
Double-Hung
Glass Doors
Glass Showers
Window Replacement/Installation
Ben Window & Glass
Brooklyn, NYEducational Website
Wide selection
Free assessment
Foggy window repair
Price Transparency
Weekend availability
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
Bay Windows
Tempered Glass
Glass Repair
Double-Hung
Window Repair
Window Replacement/Installation
National Home Improvements
Colts Neck, NJEducational Website
Good Customer Service
Timely Service
Free assessment
Price Transparency
Services Offered
Window Replacement/Installation
Creative Custom Construction, Inc.
Allentown, NJPrice Transparency
Timely Service
Good Customer Service
Free assessment
Services Offered
Window Replacement/Installation
F5 Remodeling
Rutherford, NJMinority-owned and operated
Price Transparency
Good Customer Service
Family-owned and operated
Educational Website
Full-service installation
Free assessment
Services Offered
Window Replacement/Installation
HDL Construction LLC — Windows replacement, Roofing, Roof service, Siding replacement, Chimney, Deck, Masonry
Hasbrouck Heights, NJ24-hour emergency service
Educational Website
Saturday and Sunday availability
Free in-home consultation
Good Customer Service
Price Transparency
Free assessment
Services Offered
Window Replacement/Installation
Frank Conforti Contracting
North Haledon, NJEducational Website
Free assessment
Good Customer Service
Price Transparency
Services Offered
Window Replacement/Installation
Energy-Efficient Options
Skylights
Window Repair
Cityproof Soundproof Windows
Long Island City, NYOver 50,000 installations completed
Good Customer Service
Educational Website
Timely Service
Price Transparency
No-construction services available
Trademark soundproof Citiwindows
Free assessment
Services Offered
Custom Window Designs
Window Replacement/Installation
Energy-Efficient Options
Aspen Home Remodeling, LLC.
Oradell, NJPrice Transparency
Free assessment
Educational Website
Good Customer Service
Services Offered
Energy-Efficient Options
Skylights
Window Replacement/Installation
Pexic Windows & Doors
Lakewood, NJGood Customer Service
Free assessment
Services Offered
Window Replacement/Installation
Energy-Efficient Options
R & R Glass Inc.
Warminster, PATimely Service
Price Transparency
Good Customer Service
Free assessment
Services Offered
Window Replacement/Installation
Energy-Efficient Options
Glass Doors
Skylights
Vinyl Frames
Window World of Jersey Coast
Edison, NJTimely Service
Free assessment
Price Transparency
Educational Website
Good Customer Service
Services Offered
Double-Hung
Window Replacement/Installation
Bay Windows
Energy-Efficient Options
Glass Doors
Custom Window Designs
Elite Roofing Solutions LLC
Woodbridge Township, NJGood Customer Service
Free assessment
Price Transparency
Educational Website
Services Offered
Window Replacement/Installation
Windows and Doors By The Men With Tools
South Amboy, NJTimely Service
Educational Website
Free assessment
Price Transparency
Good Customer Service
Services Offered
Double-Hung
Custom Window Designs
Energy-Efficient Options
Bay Windows
Vinyl Frames
Glass Doors
Window Replacement/Installation
Calculate how much you can expect to pay for window installation and replacement in Middlesex, 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 Middlesex Saves You Money
When you switch to energy-efficient windows, you may see several perks, including:
- Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which filter out harmful UV rays, reducing fading of your furniture, carpet and other valuables.
- Decrease your carbon footprint: Decreasing the amount of energy you use also lowers your carbon emissions. You could reduce it by about 206 pounds.
- Protect your investment: The older your home is, the more likely it is that switching to energy-efficient windows will benefit you. Older homes tend to have windows that are outdated, drafty or potentially even damaged in some way. Updating your windows could help raise the value of your home if you decide to sell.
- Save money on energy bills: Once you upgrade to energy-efficient windows, you can see a reduction in your bills by about 12% since you’ll use less energy to heat or cool your home.
Estimated Cost of Window Replacement in Middlesex
When looking into window installation, each company offers varying services and prices. Let’s take a look at some average costs and services.
How Much Do New Windows Cost?
Generally, homeowners in Middlesex can anticipate that most replacement window installations will range from $250 to $1,200, with the average cost sitting at around $600. Costs will vary considerably depending on the quality of your products, the number of windows you need, the current condition of your home and your location. Many window companies also offer door installations and other add-ons like coating, shutters, baths and more. These extra services will increase overall project costs.
Bear in mind that energy-efficient windows may have a higher price, but Energy Star predicts the upgrade will save you between $101 and $583 a year when you replace single-pane windows and between $27 and $197 a year when installing double-pane, clear glass windows. Your savings will vary depending on your local climate, energy rates and individual home characteristics.
Something else that affects the overall cost is the material of the frame you pick. Aluminum frames are typically the least pricey and are sturdy and relatively maintenance-free, but they provide poor insulation. On the other hand, wood frames are the most expensive, as they are aesthetically pleasing and offer decent insulation. Fiberglass and vinyl frames provide good insulation as well and cost somewhere between the other two.
What Services do Window Installers Offer?
In regard to window installations, in general there are two kinds that your provider will offer: full-frame and pocket installations.
A full-frame installation is a replacement of the total window. This service involves taking out the old window, the sill, and the exterior and interior trim. It can also involve extra materials, including insulation and drip edges, which raise the overall cost of the project. It’s also worth noting that you may have to touch up the paint surrounding the window after a full-frame installation. Pocket installations (also known as retrofits) are when you replace a window within its existing frame. Pocket installations are simpler and won’t cost as much, but you can’t do this type of installment if you have any pre-existing rot or water damage.
If you’re still trying to decide which type of installation you need, you can talk to your installer and get their recommendation. The decision mostly is influenced by the age of your window frames and if there’s any damage.
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 Middlesex
EcoWatch reviews differ from other reviews since we’re examining these companies through a sustainability lens. Along with energy efficiency, we evaluated each installer and ranked them based on the following methodology:
Service Area
Since this is a guide for Middlesex, we only included companies that serve the city. There are certainly other reputable providers that didn’t make the list because of the low odds that they would serve the average homeowner in Middlesex.
Work Quality
When picking new windows, the quality and breadth of services often plays just as important of a role in overall efficiency and performance as the brand of window you opt for. We do rate window installers higher if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.
Customer Reviews
We analyzed patterns in recent online reviews to determine the companies with the highest rates of customer satisfaction. Customer satisfaction might be the most important factor, as it indicates the quality of services across most other categories, including quality of parts, professionalism, cost, 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 low when possible. When analyzing providers’ prices, we gave higher points to companies with reasonable prices and accessible financing rather than “cheaper” services.
Warranty
As discussed previously, windows are a sizable investment, so you’ll want to be certain that investment is protected. Window installation companies that provide lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Last but not least, we like to see companies that have been in the industry for quite some time. Window installation companies that have more years of experience will earn higher rankings by our standards. We like to see at least ten years of experience.
Middlesex, NJ Window Replacement FAQs
How much does window installation cost?
The national average cost of replacing a window is around $600 but can range from $200 to $1,200, based on a few different factors. The price is often 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 a decent amount of money a year in energy bills.
What are the most common kinds of replacement windows?
There are several different kinds of windows you can get for your house, such as casement windows, awning windows, slider windows, double-hung and single-hung windows, picture windows, bay windows and transom windows.
What services do window replacement companies do?
Window installation companies will do the entire process — from replacing your old windows with new ones to cleaning up after the installation. Additionally, many companies offer window manufacturing, customization and repairs.
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, then they should probably be replaced. Apart from that, if your windows have damage anywhere on them, or they have become difficult to operate, they may be in need of replacement.