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

Are you looking to upgrade your windows? Our list of the best window installation companies can help you narrow down which one to choose.

We analyzed all the top-rated window companies in Sparta 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.

The EcoWatch team is all about finding solutions for eco-conscious homeowners in Sparta. The Department of Energy estimates that heat or cool air lost through old or damaged windows could be responsible for about 30% of residential energy climate use. In Sparta, where the power bills are an average of $23 per month, that’s almost $$83 per year wasted.

Replacement windows improve your home’s insulation, not only making you more comfortable during the summer and winter, but also saving you some money and helping the environment.

We’ve compiled this guide on the best installation companies to help you in your research, so you can not only benefit from brand-new windows, but also save money on your energy bills.

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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 Sparta

The EcoWatch Reviews team examined dozens of companies that serve the Sparta area to find the top window installation companies that fit our standards. The providers in this article scored best in our categories, which include energy-efficient offerings, price, availability, customer service and more.

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 Sparta. Window World has been in the window business for about 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 Windows

Its 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 make sure you mention that you want Energy Star windows when inquiring.

How much does Window World cost in Sparta?

Prices are not available on Window World’s website because 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. For more detailed information on the cost, you can ask for a quote from the company.

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 Sparta. Andersen has been in the window business for about 27 years.

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 Windows

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. Not all of Andersen’s offerings are Energy Star certified, so make sure you mention that you want Energy Star windows when inquiring.

How much does Renewal by Andersen cost in Sparta?

Prices are not available on Andersen’s website because 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. For more detailed information on the cost, you can ask for a quote from the company.

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 Sparta. Aeroseal has been in the window business for about 23 years.

It installs windows and doors at businesses across the Eastern U.S.

Energy Efficiency of Aeroseal Windows Windows

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. Not all of Aeroseal’s offerings are Energy Star certified, so make sure you mention that you want Energy Star windows when inquiring.

How much does Aeroseal Windows cost in Sparta?

Prices are not available on Aeroseal’s website because 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. For more detailed information on the cost, you can ask for a quote from the company.

We strive to be unbiased and transparent by mentioning pros and cons for every provider. Additionally, any partnerships do not influence our rankings.

More Window Companies in Sparta

Renewal by Andersen of Eastern NY

Middletown, NY
4.8
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Custom Window Designs
  • Service icon Glass Doors
  • Service icon Bay Windows
  • Service icon Skylights
  • Service icon Double-Hung
  • Service icon Window Replacement/Installation

Website: https://www.rbaeasternny.com/
Address: 28 Fair Ave, Middletown, NY 10940
Phone: (845) 245-2699

Winstar Windows

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

Services Offered

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

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

Frank Conforti Contracting

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

Services Offered

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

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

Northern Windows Siding, Roofing and Insulation

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

Services Offered

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

Website: http://northernwindows.com/
Address: 2537 US Hwy, 6 NY-17M, Goshen, NY 10924
Phone: (845) 294-4444

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

Zeus Siding & Windows LLC

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

Services Offered

  • Service icon Window Replacement/Installation

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

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

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

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

F5 Remodeling

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

Services Offered

  • Service icon Window Replacement/Installation

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

Aspen Home Remodeling, LLC.

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

Services Offered

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

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

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

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

Cityproof Soundproof Windows

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

Services Offered

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

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

M & R Windows

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

Services Offered

  • Service icon Window Replacement/Installation

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

Ben Window & Glass

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

Services Offered

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

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

Putnam Windows Inc.

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

Services Offered

  • Service icon Glass Doors
  • Service icon Vinyl Frames
  • Service icon Wood Frames
  • Service icon Window Replacement/Installation

Website: http://putnamwindows.com/
Address: 2560 US-9, Cold Spring, NY 10516
Phone: (845) 265-4382

United Windows And Glass Repair LLC

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

Services Offered

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

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

CKG Contractors Inc. Roofing-Siding-Window Experts.

Parsippany-Troy Hills, NJ
4.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Timely Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

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

Website: https://ckgcontractors.com/
Address: 177 Parsippany Rd, Parsippany-Troy Hills, NJ 07054
Phone: (973) 620-2055

One Call Construction

Fairfield, NJ
4.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

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

Website: http://www.onecallhrg.com/
Address: 1275 Bloomfield Ave, Fairfield, NJ 07004
Phone: (973) 747-5112

PJ Fitzpatrick

Fairfield, NJ
4.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Timely Service
  • Pros icon Good Customer Service

Services Offered

  • Service icon Bay Windows
  • Service icon Window Replacement/Installation
  • Service icon Skylights
  • Service icon Vinyl Frames
  • Service icon Energy-Efficient Options
  • Service icon Double-Hung
  • Service icon Glass Doors
  • Service icon Glass Showers
  • Service icon Window Repair

Website: https://www.pjfitz.com/
Address: 323 Passaic Ave, Fairfield, NJ 07004
Phone: (866) 868-3501

RWC Windows, Doors, Kitchens, & Baths

West Caldwell, NJ
4.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Timely Service
  • Pros icon Free assessment

Services Offered

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

Website: https://www.rwcnj.com/
Address: 686 Passaic Ave, West Caldwell, NJ 07006
Phone: (973) 227-7123

Glass Doctor of Ramsey

Ramsey, NJ
4.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

  • Service icon Glass Doors
  • Service icon Glass Showers
  • Service icon Energy-Efficient Options
  • Service icon Glass Repair
  • Service icon Mirrors
  • Service icon Window Repair
  • Service icon Window Replacement/Installation
  • Service icon Custom Glass

Website: https://glassdoctor.com/ramsey
Address: 75 Orchard St, Ramsey, NJ 07446
Phone: (201) 825-4600
Sparta Window Cost Calculator

Calculate how much you can expect to pay for window installation and replacement in Sparta, 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 Sparta Saves You Money

When you upgrade to energy-efficient windows, you may see a few benefits, such as:

  • Decrease your carbon footprint: Reducing the amount of energy you use also lowers your carbon emissions. You could reduce it by 206 pounds per year on average.
  • Protect your investment: Upgrading your windows is an important part of maintaining your property and its value, particularly if you have an older home.
  • 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 energy bills: Upgrading to energy-efficient windows reduces your energy bills by about 12% because you need less energy.

Estimated Cost of Window Replacement in Sparta

Windows come in different styles, purposes and shapes, so costs and services will differ remarkably based on your project. Below, we describe the typical cost and services that you can get from window installation companies.

How Much Do New Windows Cost?

Although the national average cost of replacing one window is about $600, it can range from $200 to $1,200. These numbers are based on specific characteristics of your installation, such as number of windows, the location of your home, material, size, type and more.

Keep in mind that energy-efficient windows may have a higher price, but Energy Star estimates the upgrade will save you between $101 and $583 a year when you install single-pane windows and between $27 and $197 a year when you replace double-pane, clear glass windows. These savings vary based on your local climate, energy rates and individual home characteristics.

The cost of your window installation will also vary based on the type of material you choose for the frames. Wood windows are generally the most expensive, although it depends on whether they are solid wood or clad with aluminum or vinyl. Fiberglass windows also tend to be somewhat more expensive than vinyl, but they are shown to be more efficient.

What Services do Window Installers Offer?

The first step of an installation is to figure out whether you want a full-frame or pocket installation.

Full-frame installations are usually done when you want to change the style of your windows or your window has significant rot. With this service, your installers will replace the full window, including the frame, sill and trim. A pocket installation entails installing a new window within the old frame. So, instead of removing the whole unit and rebuilding it, the contractor will just slide 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 should get, you can ask your provider and get their recommendation. The decision mostly depends on how old the frames are and if there’s any damage present.

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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 Sparta

In our hunt to find the most reliable, eco-friendly window installers in Sparta, the EcoWatch Reviews team examined many companies before landing on these. We’ve assessed the best window installation companies in Sparta primarily based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy-efficient windows can cut your power bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

Service Area

This one is pretty self-explanatory, but we’ve chosen to highlight window installers that serve the Sparta area so you can find the right window installation company near you.

Work Quality

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

Customer Reviews

We analyzed patterns in recent customer feedback to find the companies with the most consistent customer satisfaction. Customer satisfaction may be the most important factor, as it reflects the quality of services across nearly every category, including warranty, cost, quality of installation, professionalism, quality of parts and more.

Cost

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

Warranty

As discussed, windows are a substantial investment, so you’ll want to be certain that investment is protected. Window installation companies that provide lengthy warranties for products, parts and labor rank higher with EcoWatch.

Years of Experience

Due to Sparta’s climate, homeowners will want to mitigate low efficiency, rot and water damage. We factored in local experience to reflect the ability of Sparta window companies to prepare homes for the climate. If a company has less than 10 years of experience, it loses points in this category.

Sparta, NJ Window Replacement FAQs

What is the typical cost to replace windows in a home?

The national average cost of replacing a window is around $600 but can range from $200 to $1,200, based on several factors. The price is typically influenced by the location of your property, the type and material of the window and the size of the window. Also, remember that energy-efficient windows may cost more upfront but can save you a decent amount of money a year in energy bills.

What are the most common types of replacement windows?

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

What services do window replacement companies provide?

Window installers cover the entire process — from replacing your old windows with new ones to cleaning up after the windows have been put in place. Additionally, some companies offer window manufacturing, customization and repairs.

Should I replace my windows all at once?

If your windows are greater than 20 years old, you most likely need to replace all of them. By that point, they are often less efficient, draftier and/or more damaged than new windows. Doing your windows all at once will involve less paperwork and less time.

How long does it usually take to install windows?

Because a window takes about 30 minutes to install, around 16 windows can be installed in an 8-hour work day.