20 Best Window Companies in Union, NJ (2025 Reviews)

Are you thinking about replacing your windows? Our list of the best window installation companies can help you narrow down which one to pick.

We analyzed all the top-rated window companies in Union and selected the best 20 based on:

  • Customer reviews
  • Window installation expertise
  • Popularity with home-owners like you
EcoWatch Local Advisors

By EcoWatch Local Advisors

Updated January 24, 2025

Why you can trust EcoWatch

Our panel of energy experts work tirelessly to create unbiased reviews and informative content to help homeowners make educated decisions. No other windows site has covered energy efficiency and sustainability as long as EcoWatch, which means we're going to help you find windows replacements that will save on your energy bill and put more money back in your wallet.

Whether you're updating for style or have windows that need repairs, windows play a crucial role in conserving your home's electricity. Traditional, outdated windows could lead to spending more on power bills during the winter or summer months.

That’s bad news for your bank account and the environment, but one of the top window installation companies can help with that.

Because windows are so important for your home, picking the best 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 make an informed decision more easily.

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Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great Industry Reputation
  • Award-winning Company
  • Member of US Green Building Council
  • Manufactures products in-house
Save $375 Off Each Window
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

Best Window Installation & Replacement Companies in Union

The EcoWatch Reviews team evaluated dozens of providers that serve the Union area to find the best window installation companies by our standards. The installers mentioned in this article passed our review standards for energy-efficient offerings as well as local expertise, customer service, price and beyond.

Window World logo
Best Affordability

Window World

★★★★★
BBB Rating: A+
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon EnergyStar Partner
  • Pros icon Large serice area
  • Pros icon Low prices relative to competitors
  • Pros icon Great industry reputation
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Quality of service will depend on your area

Window World provides windows expertise in Union. Window World has over 27 years of experience in the industry, and it currently serves 200 locations nationwide.

You may want to consider opting for Window World if you're interested in 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 Windows

Window World is an Energy Star partner with a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so be sure to ask your Window World representative when inquiring about services.

How much does Window World cost in Union?

Prices are not available on Window World’s website since the cost of window replacement 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 request a quote on the company’s website.

Renewal by Andersen logo
Best Overall

Renewal by Andersen

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Great industry reputation
  • Pros icon Award-winning company
  • Pros icon Member of US Green Building Council
  • Pros icon Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty
  • Pros icon More expensive than competition

Renewal by Andersen provides the best availability in Union. Andersen has over 27 years of experience in the industry, and it currently serves nearly every state except Mississippi and West Virginia.

You may want to consider opting for Andersen if you're interested in 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 Windows

Renewal by Andersen is an Energy Star partner with a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so be sure to ask your Andersen representative when inquiring about services.

How much does Renewal by Andersen cost in Union?

Prices are not available on Andersen’s website since the cost of window replacement 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 request a quote on the company’s website.

Aeroseal Windows logo
Best for Businesses

Aeroseal Windows

★★★★★
BBB Rating: A+
Locations: Regional
Founded: 1999
Pros:
  • Pros icon Many years of experience
  • Pros icon Great industry reputation
  • Pros icon Low number of customer complaints
  • Pros icon Manufactures products in-house
  • Pros icon Custom Designs
Cons:
  • Pros icon No lifetime warranty
  • Pros icon Not ideal for residential installations

Aeroseal Windows provides the best window installation for businesses in Union. Aeroseal has over 23 years of experience in the industry, and it currently serves 13 states and Washington D.C.

You may want to consider opting for Aeroseal if you're interested in a company that installs windows and doors at businesses across the Eastern U.S.

Energy Efficiency of Aeroseal Windows Windows

Aeroseal Windows is an Energy Star partner with a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so be sure to ask your Aeroseal representative when inquiring about services.

How much does Aeroseal Windows cost in Union?

Prices are not available on Aeroseal’s website since the cost of window replacement varies greatly based on how many and what type(s) of windows you need. However, it provides high-quality windows at a competitive price point. If you’d like to know for sure, you can request a quote on the company’s website.

Please note that the following companies are national, which means the quality of customer service may depend on your local team. We have tried to be unbiased and transparent by describing both pros and cons for each company.

More Window Companies in Union

Renewal by Andersen of NJ/NY Metro

Cranford, NJ
4.8
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Bay Windows
  • Service icon Window Replacement/Installation
  • Service icon Double-Hung
  • Service icon Skylights
  • Service icon Glass Doors

Website: https://www.renewalbyandersen.com/window-company/535-nj-ny-metro/retailer
Address: 70 Jackson Dr Suite A, Cranford, NJ 07016
Phone: (908) 497-1020

Zeus Siding & Windows LLC

Irvington, NJ
5.0
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Weekend availability
  • Pros icon Siding, roofing, and windows
  • Pros icon Free assessment
  • Pros icon Satisfaction-guaranteed warranties
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement/Installation

Website: http://www.zeussiding.com/
Address: 27 Orange Ave, Irvington, NJ 07111
Phone: (908) 316-2728

Bloomfield Window and Door Company

Bloomfield, NJ
5.0
★★★★★
  • Pros icon Free assessment

Services Offered

  • Service icon Screen Repair
  • Service icon Window Replacement/Installation

Website: http://www.bloomfieldwindowanddoor.com/
Address: 452 Broad St, Bloomfield, NJ 07003
Phone: (201) 889-5864

Winstar Windows

Essex Fells, NJ
5.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Second-generation-family-owned and operated
  • Pros icon One-day window installation
  • Pros icon Wide variety of windows
  • Pros icon Second-generation family-owned and -operated
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: https://www.winstarwindows.com/
Address: 219 Roseland Ave, Essex Fells, NJ 07021
Phone: (973) 576-5512

F5 Remodeling

Rutherford, NJ
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Minority-owned and operated
  • Pros icon Family-owned and operated
  • Pros icon Full-service installation
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement/Installation

Website: https://f5remodeling.com/
Address: 8 Station Square #2, Rutherford, NJ 07070
Phone: (551) 271-0650

Ben Window & Glass

Brooklyn, NY
5.0
★★★★★
  • Pros icon Foggy window repair
  • Pros icon Wide selection
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Weekend availability
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Window Repair

Website: https://benwindowglass.com/
Address: 431 Bay Ridge Pkwy, Brooklyn, NY 11209
Phone: (347) 799-0912

HDL Construction LLC — Windows replacement, Roofing, Roof service, Siding replacement, Chimney, Deck, Masonry

Hasbrouck Heights, NJ
5.0
★★★★★
  • Pros icon Free in-home consultation
  • Pros icon 24-hour emergency service
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Saturday and Sunday availability
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement/Installation

Website: http://www.hdlconstructionnj.com/
Address: 184 Boulevard Apt A, Hasbrouck Heights, NJ 07604
Phone: (201) 375-5437

United Windows And Glass Repair LLC

Brooklyn, NY
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Bay Windows
  • Service icon Double-Hung
  • Service icon Window Replacement/Installation
  • Service icon Window Repair
  • Service icon Glass Repair
  • Service icon Tempered Glass
  • Service icon Energy-Efficient Options

Website: https://www.unitedwindowsandglassrepair.com/
Address: 8714 21st Ave, Brooklyn, NY 11214
Phone: (929) 969-0867

Cityproof Soundproof Windows

Long Island City, NY
5.0
★★★★★
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Trademark soundproof Citiwindows
  • Pros icon Educational Website
  • Pros icon Over 50,000 installations completed
  • Pros icon No-construction services available
  • Pros icon Good Customer Service

Services Offered

  • Service icon Custom Window Designs
  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options

Website: https://www.cityproof.com/
Address: 10-11 43rd Ave, Long Island City, NY 11101
Phone: (718) 786-1600

Frank Conforti Contracting

North Haledon, NJ
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Skylights
  • Service icon Energy-Efficient Options
  • Service icon Window Repair
  • Service icon Window Replacement/Installation

Website: https://confortiroofingnj.com/
Address: 84 Walray Ave, North Haledon, NJ 07508
Phone: (973) 519-2126

Aspen Home Remodeling, LLC.

Oradell, NJ
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Skylights
  • Service icon Energy-Efficient Options

Website: https://www.aspenhomeremodelingllc.com/
Address: 700 Kinderkamack Rd #101, Oradell, NJ 07649
Phone: (201) 994-5354

Prown's Windows & Doors

Middletown Township, NJ
5.0
★★★★★
  • Pros icon Free assessment

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Glass Showers
  • Service icon Double-Hung
  • Service icon Glass Doors

Website: http://www.prowns.com/
Address: 669 NJ-35, Middletown Township, NJ 07748
Phone: (732) 741-7500

Kepo Siding & Windows

Hillsborough Township, NJ
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Timely Service
  • Pros icon Free assessment

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: https://www.keposidingwindows.com/
Address: 15 Ilene Ct building 12 unit 15, Hillsborough Township, NJ 08844
Phone: (908) 553-5850

M & R Windows

Bronx, NY
5.0
★★★★★
  • Pros icon Timely Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement/Installation

Website: http://mandrwindows.com/
Address: 4510 Bullard Ave, Bronx, NY 10470
Phone: (718) 652-1300

National Home Improvements

Colts Neck, NJ
5.0
★★★★★
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement/Installation

Website: https://nhi-contractors-nj.com/
Address: 3 Twin Lakes Dr, Colts Neck, NJ 07722
Phone: (908) 653-1017

Edge Remodeling, Inc.

Franklin Square, NY
5.0
★★★★★
  • Pros icon Labor warranties available
  • Pros icon Price Transparency
  • Pros icon Family-owned and operated
  • Pros icon Free same-day estimates
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation

Website: http://edgeremodelinginc.com/
Address: 1102 Hempstead Turnpike, Franklin Square, NY 11010
Phone: (516) 860-8630

Parco Home Improvement Corp.

Franklin Square, NY
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Vinyl Frames
  • Service icon Energy-Efficient Options

Website: http://www.kpsearch.com/DF/Parco/all.asp
Address: 424 Dogwood Ave, Franklin Square, NY 11010
Phone: (516) 560-7626

Doors & Windows

Albertson, NY
5.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free in-home or virtual consultation
  • Pros icon Online product shopping
  • Pros icon Sunday availability
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Wood Frames
  • Service icon Vinyl Frames
  • Service icon Window Replacement/Installation
  • Service icon Bay Windows
  • Service icon Double-Hung

Website: http://usdoorswindows.com/
Address: 830 Willis Ave, Albertson, NY 11507
Phone: (516) 517-4328

Window25

Kenilworth, NJ
4.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Custom Window Designs

Website: http://www.window25.com/
Address: 326 N 14th St Unit A, Kenilworth, NJ 07033
Phone: (973) 817-9464

Nunez Home Improvement, LLC

Elizabeth, NJ
4.9
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon 25-year warranty
  • Pros icon Financing options available
  • Pros icon Educational Website
  • Pros icon Satisfaction guarantee
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement/Installation

Website: https://www.nunezhomepro.com/
Address: 344 Vine St, Elizabeth, NJ 07202
Phone: (973) 518-0612
Union Window Cost Calculator

Calculate how much you can expect to pay for window installation and replacement in Union, NJ using our customized window cost calculator.

Estimated Window Cost:
161 homeowners have requested a free estimate in the last 3 days.

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 Union Saves You Money

There are quite a few benefits of switching to energy-efficient windows. A few reasons you may want to consider making the switch include the following:

  • Protect your investment: If you have a relatively old home, your windows are most likely outdated. Updating your windows can make your home more comfortable and also help raise the value of your house if you decide to sell.
  • Save on electricity bills: Upgrading to energy-efficient windows lowers your energy bills by about 12% since you need less energy.
  • Decrease your carbon footprint: Reducing the amount of energy you use also lowers your indirect greenhouse gas emissions. You could reduce it by 206 pounds per year on average.
  • 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.

Estimated Cost of Window Replacement in Union

Let’s go over the cost of updating your windows and the kinds of services offered by installers.

How Much Do New Windows Cost?

On average, homeowners in Union can anticipate that most window installations will range from $250 to $1,200, with the average cost at around $600. But prices vary considerably based on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window companies also provide door installations and replacements, which carry a higher price tag.

It’s important to keep in mind that windows with the best efficiency may cost more upfront but can save you hundreds of dollars via returns on your energy bills. Investing in certified energy-efficient windows can save Union homeowners $290+ a year when replacing single-pane windows.

The cost of your window installation will also vary depending on the kind of window material you choose for the frames. Wood windows are usually the most expensive, though it depends on whether they are 100% wood or clad with aluminum or vinyl. Fiberglass windows also tend to be a bit more expensive than vinyl, but they are more efficient.

What Services do Window Installers Offer?

When considering window installations, in general there are two kinds that your installer will have: full-frame and pocket installations.

A full-frame installation replaces the entire window, including the sill, frame, trim and the window panes. As this type of installation requires more time and labor, it will cost more than a pocket installation. A pocket installation involves installing a new window within the old frame. So, instead of taking out the whole unit and rebuilding it, the window installer will just put the replacement window (also called a retrofit or insert window) into the frame.

If you’re not sure which type of window installation service you need, your installer can help you out. In general, the choice is based on factors such as the age and condition of the home, the type of building material, budget and time restrictions.

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Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great Industry Reputation
  • Award-winning Company
  • Member of US Green Building Council
  • Manufactures products in-house
Save $375 Off Each Window
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

How We Choose the Best Window Installers in Union

In our search to find the most reliable, eco-friendly window installers in Union, the EcoWatch Reviews team examined many companies before settling on these. We have reviewed the top window replacement companies in Union mostly based on their energy efficient offerings, as it’s what’s best for the environment and for you as a homeowner. Energy Star certified windows can reduce your electricity bills by hundreds of dollars. Along with energy efficiency, our rating methodology considers the following factors:

Service Area

Because this is a guide for Union, we only included companies that provide services to the city. There are certainly other reputable providers that didn’t make the cut because of the low odds that they would serve the average homeowner in Union.

Work Quality

When picking new windows, the quality and variety of services can often play just as important of a role in overall efficiency and performance as the type of window you get. We do give window installers higher marks if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.

Customer Reviews

Another self-explanatory yet very important review factor is customer feedback. If most customers don’t have nice feedback about their experience with a certain window installation company, it won’t be featured on EcoWatch.

Cost

This one is a give-and-take: similar to other services, cheap window installation companies are not going to provide the highest quality service. On the other hand, we want to ensure we’re highlighting companies that provide a variety of price and financing options so they’re accessible to most homeowners.

Warranty

Protecting your investment in new windows is important to many homeowners. For that reason, window installation companies that offer lengthy warranties for products, parts and labor rank higher with EcoWatch.

Years of Experience

Last but not least, we like to see companies that have a good track record in the industry. Window installers that have more years of experience earn higher rankings by our standards. We like to see at least ten years of experience.

Union, NJ Window Replacement FAQs

What is the typical cost to install new windows in a home?

The national average cost of installing a single window is around $600 but can range from $200 to $1,200, depending on a variety of factors. The price is typically dependent on the type and material of the window, the size of the window and the location of your property. Also, keep 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 different types of windows?

There are several different kinds of windows you can get for your house, including bay windows, awning windows, slider windows, transom windows, picture windows, casement windows and double-hung and single-hung windows.

What do window installation companies do?

Window installers will do the entire process — from replacing your 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.

Should I replace all my windows at once?

If you’re upgrading your windows because of energy-efficiency, replacing all your windows at once is the only way to gain that benefit. On the other hand, if you have only a few windows that are broken or drafty, you can replace just those.