20 Best Window Companies in Dover, NJ (2023 Reviews)

When the time comes to upgrade your windows, our guide to the best window installation companies can help you find the right provider for you.

We analyzed all the top-rated window companies in Dover 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 September 15, 2023

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.

Although eco-friendly energy sources like wind and solar are important when it comes to decreasing your carbon footprint, improving your house's efficiency can also have a large impact on home energy conservation. Drafty windows could lead to having higher energy bills during the winter or summer months.

That's bad for your wallet and the environment, but one of the top window installation companies can help you with that.

We've made this list of the best installation companies to help you in your search, so you can not only take advantage of brand new windows, but also save money on your electric bills.

Best Availability

Renewal by Andersen

★★★★★
4.5

  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house

Best Energy-Efficient Features

Champion

★★★★★
4.5

  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty

Window Veteran

Window World

★★★★★
4.5

  • EnergyStar Partner
  • Wide variety of products and services
  • Lifetime Warranty

Best Window Installation & Replacement Companies in Dover

The EcoWatch team researched many window installation companies across Dover to narrow our list down to the top ones. We assessed the companies based on their energy-efficient offerings, coverage area, price, customer service, local experience and more.

Window World logo
FAST QUOTE
as little as 30 seconds
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 has windows expertise in Dover. It's the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has around 27 years of experience in the window replacement business. Its reputation is backed by a considerable amount of positive reviews on customer review websites.

It has established itself as 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 caters to eco-conscious consumers by providing 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 Dover?

Window World doesn’t have any cost information available on its website, but it's known for offering some of the most affordable window installations around. You can request a free quote on its website for more information about pricing.

Renewal by Andersen logo
FAST QUOTE
as little as 30 seconds
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 Dover. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This company has been operating since 1995 and currently services nearly every state except Mississippi and West Virginia.

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

There are a wide variety of window types available from Renewal by Andersen, some of which are Energy Star products. 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 Dover?

Prices aren’t available on Andersen’s website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. Receiving a free quote on its website is the best way to get more accurate information.

Aeroseal Windows logo
FAST QUOTE
as little as 30 seconds
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 offers the best window installation for businesses in Dover. This window installation company has been operating since 1999 and currently services 13 states and Washington D.C. The provider has plenty of positive reviews from customers online.

You may want to consider picking Aeroseal if you're looking for a installer that installs windows and doors at businesses across the Eastern U.S.

Energy Efficiency of Aeroseal Windows Windows

There are a wide variety of window types that Aeroseal Windows offers, some of which are Energy Star products. 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 Dover?

Pricing information is not available on Aeroseal’s website because the cost of window installment depends on how many and what type(s) of windows you need. However, it provides high-quality windows at a competitive price point. The best way to get more accurate information is to receive a free quote from the company.

Universal Windows Direct logo
FAST QUOTE
as little as 30 seconds
Best Warranty

Universal Windows Direct

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 2002
Pros:
  • Pros icon Makes charitable contributions
  • Pros icon Manufactures products in-house
  • Pros icon Wide variety of products and services
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Limited service area
  • Pros icon Some installations carried out by third-party contractors
  • Pros icon Quality of service will depend on your area

Universal Windows Direct has the best warranty in Dover. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has around 20 years of experience in the window replacement business. Its reputation is backed by a considerable amount of positive reviews on customer review websites.

It has established itself as a company that has an industry-leading warranty covering products, parts and workmanship for life.

Energy Efficiency of Universal Windows Direct Windows

Universal Windows Direct caters to eco-conscious consumers by providing 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 Dover?

Universal doesn’t have any cost information available 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. You can request a free quote on its website for more information about pricing.

One thing to note is that the following companies are national, meaning the quality of the service may vary depending on your local team. We have tried to remain unbiased and transparent by listing both pros and cons for every provider.

More Window Companies in Dover

Renewal by Andersen of NJ/NY Metro

Cranford, NJ
4.4
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Custom Window Designs
  • Service icon Stained Glass
  • Service icon Window Replacement
  • Service icon Commercial Windows
  • Service icon Sliding Glass
  • Service icon Glass Showers
  • Service icon Double-Hung
  • Service icon Residential Windows

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

Window World of North Jersey

Fairfield, NJ
4.3
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Timely Service

Services Offered

  • Service icon Custom Window Designs
  • Service icon Fast Delivery
  • Service icon Bay Windows
  • Service icon Sliding Glass
  • Service icon Double-Hung
  • Service icon Window Replacement
  • Service icon Residential Windows

Website: https://www.windowworldnorthjersey.com/
Address: 515 US-46, Fairfield, NJ 07004
Phone: (973) 695-0333

New Jersey Siding & Windows, Inc.

Randolph, NJ
4.3
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Double-Hung
  • Service icon Window Replacement
  • Service icon Bay Windows
  • Service icon Sliding Glass
  • Service icon Commercial Windows
  • Service icon Residential Windows
  • Service icon Custom Window Designs

Website: https://www.newjerseywindow.com/
Address: 1248 Sussex Turnpike A1, Randolph, NJ 07869
Phone: (973) 895-1113

New View Windows and Doors

East Hanover, NJ
4.3
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Stained Glass
  • Service icon Double-Hung
  • Service icon Fast Delivery
  • Service icon Custom Window Designs
  • Service icon Sliding Glass
  • Service icon Aluminum Window Frames
  • Service icon Residential Windows
  • Service icon Window Replacement

Website: http://www.newviewnj.com/
Address: 8 Great Meadow Ln, East Hanover, NJ 07936
Phone: (973) 585-6700

CKG Contractors Inc. Roofing-Siding-Window Experts.

Parsippany-Troy Hills, NJ
4.2
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Timely Service
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Window Designs
  • Service icon Commercial Windows
  • Service icon Window Replacement

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

Roman Stolyarchuk/ Home Improvement Contractor

Morristown, NJ
4.2
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Custom Window Designs
  • Service icon Glass Showers
  • Service icon Residential Windows
  • Service icon Window Replacement
  • Service icon Fast Delivery

Website: https://roman-stolyarchuk.business.site/
Address: 22 Byron Ave, Morristown, NJ 07960
Phone: (646) 639-8467

RJW Exteriors

Lake Hopatcong, NJ
4.1
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Window Replacement
  • Service icon Double-Hung

Website: https://www.rjwexteriors.com/
Address: 694 Route 15 South Suite 209, Lake Hopatcong, NJ 07849
Phone: (973) 287-4449

Mighty Dog Roofing

Whippany, NJ
4.1
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Timely Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Residential Windows
  • Service icon Commercial Windows
  • Service icon Window Replacement
  • Service icon Fast Delivery

Website: https://www.mightydogroofing.com/whippany-nj
Address: 760 NJ-10 #203, Whippany, NJ 07981
Phone: (973) 659-4136

Blue Nail Exteriors

Montville, NJ
4.1
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

  • Service icon Window Replacement
  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Custom Window Designs

Website: https://bluenailnj.com/
Address: 193 Changebridge Rd, Montville, NJ 07045
Phone: (973) 937-8876

Cunningham Siding & Replacement

NJ 07836, NJ
3.9
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Glass Showers
  • Service icon Custom Window Designs
  • Service icon Fast Delivery
  • Service icon Commercial Windows
  • Service icon Window Replacement

Website: https://cunninghamsiding.com/
Address: Flanders, NJ 07836
Phone: (973) 584-0724

Lifetime Aluminum

East Hanover, NJ
4.2
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Timely Service

Services Offered

  • Service icon Bay Windows
  • Service icon Double-Hung
  • Service icon Window Replacement
  • Service icon Sliding Glass
  • Service icon Glass Showers
  • Service icon Fast Delivery
  • Service icon Residential Windows
  • Service icon Commercial Windows
  • Service icon Aluminum Window Frames
  • Service icon Custom Window Designs

Website: https://www.lifetimealuminum.com/
Address: 162 Mt Pleasant Ave, East Hanover, NJ 07936
Phone: (973) 887-1900

Basking Ridge Glass and Mirror

Basking Ridge, NJ
4.1
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Showers
  • Service icon Residential Windows
  • Service icon Window Replacement
  • Service icon Custom Window Designs
  • Service icon Commercial Windows
  • Service icon Sliding Glass
  • Service icon Window Repair

Website: http://www.baskingridgeglass.com/
Address: 37 S Finley Ave, Basking Ridge, NJ 07920
Phone: (908) 766-9199

Madison Door

Madison, NJ
4.1
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Fast Delivery
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Bay Windows
  • Service icon Window Replacement
  • Service icon Sliding Glass

Website: https://www.madisondoor.com/
Address: 297 Main St, Madison, NJ 07940
Phone: (973) 822-1693

RWC Windows, Doors, Kitchens, & Baths

West Caldwell, NJ
4.3
★★★★★
  • Pros icon Educational Website
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Fast Delivery
  • Service icon Window Replacement
  • Service icon Glass Showers
  • Service icon Commercial Windows
  • Service icon Residential Windows
  • Service icon Custom Window Designs

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

PJ Fitzpatrick

Fairfield, NJ
4.5
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Timely Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Showers
  • Service icon Custom Window Designs
  • Service icon Window Replacement
  • Service icon Commercial Windows
  • Service icon Sliding Glass
  • Service icon Double-Hung
  • Service icon Residential Windows
  • Service icon Window Repair

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

Windows & Doors By The Men With Tools

Summit, NJ
4.5
★★★★★
  • Pros icon Free assessment
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Window Designs
  • Service icon Double-Hung
  • Service icon Fast Delivery
  • Service icon Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Commercial Windows
  • Service icon Bay Windows
  • Service icon Window Replacement

Website: https://www.themenwithtools.com/
Address: 444 Springfield Ave, Summit, NJ 07901
Phone: (908) 224-7997

Winstar Windows

Essex Fells, NJ
4.2
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

  • Service icon Window Replacement
  • Service icon Sliding Glass
  • Service icon Residential Windows
  • Service icon Custom Window Designs

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

Six Brothers Contractors LLC

Lincoln Park, NJ
4.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement
  • Service icon Commercial Windows
  • Service icon Residential Windows
  • Service icon Glass Showers
  • Service icon Custom Window Designs

Website: https://sixbrotherscontractors.com/
Address: 41 Algonquin Ave, Lincoln Park, NJ 07035
Phone: (201) 650-3321

CKG Contractors Inc Roofing-Siding-Windows Andersen Certified, GAF Authorized.

Summit, NJ
4.0
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Commercial Windows
  • Service icon Window Replacement

Website: http://ckgcontractors.com/
Address: 57 Montrose Ave, Summit, NJ 07901
Phone: (973) 599-0811

Carolan Contractors

Verona, NJ
4.3
★★★★★
  • Pros icon Educational Website
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement
  • Service icon Custom Window Designs
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Residential Windows

Website: http://carolancontractors.com/
Address: 709 Bloomfield Ave, Verona, NJ 07044
Phone: (973) 857-1555
Dover Window Cost Calculator

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

There are several perks of switching to energy-efficient windows. Some reasons you may want to consider making the change are the following:

  • Protect your investment: When your home is on the older side, your windows could also be outdated or drafty. Keeping your windows up to date is an important part of maintaining your property and its value.
  • Save on electricity bills: According to the Department of Energy, heat gained or lost through windows makes up about 25-30% of residential energy use. Upgrading to energy-efficient models can help lower how much you have to pay, therefore saving you about 12% more on your bills.
  • More efficient energy use in your household: Because the summers can get quite hot in Dover, homeowners often rely on their air conditioner a lot. Energy-efficient windows lower the amount of cool air that is lost through your windows, making it easier to keep your home cool.
  • Protect your valuables from fading: The low-emissivity coatings on many energy-efficient windows filter out harmful UV rays, preventing your furniture, carpet and other valuables from fading.

Estimated Cost of Window Replacement in Dover

Windows come in various shapes and sizes, so costs and services will vary greatly. Here are the typical costs and the primary services that you can find from window installation companies.

How Much Do New Windows Cost?

Typically, homeowners in Dover can expect that most window installations will cost between $250 and $1,200, with the average cost at around $600. How much it will cost depends on several factors, such as the location of your home, material, type, number of windows, size and more.

Bear in mind that energy-efficient windows may come at a higher price tag, but Energy Star predicts the upgrade will save you between $101 and $583 a year when installing single-pane windows and between $27 and $197 a year when installing double-pane, clear glass windows. Your exact savings will vary depending on your local climate, energy rates and individual home characteristics.

Costs will also vary based on the material you choose for your window frames. Aluminum frames have the lowest price. They're sturdy, light and easy to maintain, but offer poor insulation. Vinyl frames are a bit more expensive and offer good insulation. Composite frames made from wood fibers encased in plastic also offer good insulation and are moderately expensive. Wood frames are the most expensive and are the most in-demand. They're also aesthetically pleasing and offer decent insulation for your home.

What Services do Window Installers Offer?

There are typically two kinds of window installation services: full-frame and pocket installations.

A full-frame installation is a replacement of the total window. It involves removing the old window, the sill, and the exterior and interior trim. It can also involve additional materials, like 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 around the window after a full-frame installation. A pocket installation involves replacing a window within the frame that's already there. So, instead of taking out the whole window and reinstalling it, the window installer will just slide the replacement window (also called a retrofit or insert window) into the frame.

Your window installation company can advise you on the best type for your project. In Dover, the decision will mostly depend on the efficiency of your home and the age and condition of your existing frames.

Best Availability

Renewal by Andersen

★★★★★
4.5

  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house

Best Energy-Efficient Features

Champion

★★★★★
4.5

  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty

Window Veteran

Window World

★★★★★
4.5

  • EnergyStar Partner
  • Wide variety of products and services
  • Lifetime Warranty

How We Choose the Best Window Installers in Dover

In our hunt to find the most reliable, eco-friendly window installers in Dover, the EcoWatch Reviews team examined dozens of companies before deciding on these. Along with energy efficiency, we analyzed window companies all across the state and ranked them based on the following methodology:

Service Area

Since this is a guide for Dover, we paid more attention to companies that provide services to the city. There are certainly reputable providers that didn't make our list because they wouldn't be able to serve homeowners in Dover.

Work Quality

When it comes to new windows, the quality and variety of services often plays just as important of a role in insulation and performance as the brand of window you choose. We do give window installers more points if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.

Customer Reviews

We analyzed patterns in recent online reviews to determine the companies with the most consistent customer satisfaction. Customer satisfaction might be the factor we place the most value on, as it indicates the quality of services across most other categories, including cost, quality of installation, quality of parts, professionalism, warranty and more.

Cost

Cheaper windows certainly don't mean better windows, but we know many of our readers would like to keep costs low when possible. When analyzing the prices of providers, we gave higher scores 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 offer lengthy warranties for products, parts and labor rank higher with EcoWatch.

Years of Experience

Lastly, we like to see companies that have a proven 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.

Dover, NJ Window Replacement FAQs

What is the average cost to install windows?

The national average cost of installing a window is around $600 but can range between $200 and $1,200, depending on several factors. The price is typically dependent on the type and material of the window, the location of your property and the size of the window. Also, remember 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 kinds of windows?

The most common types of windows for homes are transom windows, casement windows, picture windows, slider windows, bay windows, double-hung and single-hung windows and awning windows.

What services do window installation companies provide?

Window installers go to your property to remove your old windows and replace them with new ones. Some providers install products made by other companies, whereas others install their own windows. The installer will also clean up after the installation is done.

Should I replace all my windows at the same time?

If you want to get more efficient windows and save money on your energy bills, replacing all your windows together is the only way to gain that benefit. However, if you have just one or two windows that are damaged or drafty, you can replace just those.

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