22 Best Window Replacement Companies in Mountainside, NJ (Jan 2023)
Window Companies Near Me

Thinking of improving your home's insulation? The best window replacement companies can help.

We analyzed all the top window installers in Mountainside and selected the top 22 based on:

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

By EcoWatch Local Advisors

Updated January 12, 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.

A guide on the top window installation companies in Mountainside may not seem like the most riveting article on EcoWatch, but trust us, windows have a more direct impact on your life than you might realize. Poor windows can make your home uncomfortable in the summer or winter.

That's also bad for the environment because the additional energy required by leaky windows increases your carbon footprint.

Efficient windows are particularly important in Mountainside, where the temperature varies throughout the year. According to Energy Star, making the switch to energy-efficient windows can save the average homeowner up to $277 each year.

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Great industry reputation
  • Award-winning company
  • Manufactures products in-house
  • No lifetime warranty

Best Affordability

Window World

★★★★★
4.5

  • Great industry reputation
  • Lifetime warranty
  • EnergyStar Partner
  • Quality of service will depend on your area

Best for Businesses

Aeroseal Windows

★★★★★
4

  • Many years of experience
  • Manufactures products in-house
  • Great industry reputation
  • Not ideal for residential installations

Best Window Replacement Companies in Mountainside

The EcoWatch team examined dozens of installers across the country to find the best window installation companies for our readers. The providers reviewed in this article scored best in our categories: energy-efficient offerings, customer service, availability, price and more.

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 Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty

Renewal by Andersen is 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 has established itself as 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 has some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to mention that you want Energy Star windows when inquiring. 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 Mountainside?

Although prices are not available on Andersen's website, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. Getting a free quote on its website is the best way to get more accurate information.

Window World logo
FAST QUOTE
as little as 30 seconds
Best Affordability

Window World

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

Window World is the largest window replacement company in the country, known for its vinyl windows and affordability. This company has been in business since 1995 and currently services 200 locations nationwide. Hundreds of positive reviews on customer review websites 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 Windows

There are a wide range of window types available from Window World, some of which are Energy Star products. 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 Mountainside?

Prices aren't displayed on Window World's website, but it's known for offering some of the most affordable window installations around. For more detailed information on the cost, you can receive a quote from the company.

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 Manufactures products in-house
  • Pros icon Great industry reputation
Cons:
  • Pros icon Not ideal for residential installations

Aeroseal Windows is an installer that mainly serves commercial and multifamily properties, and also specializes in railings. If you’re looking for residential window installations, you should probably refer to one of the other companies on this list. Aeroseal has been in the window industry for about 23 years. The company has a lot of glowing reviews from customers online.

Aeroseal may be the company for you if you want one that 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 windows are Energy Star certified, so make sure you mention that you want Energy Star windows when inquiring.

How much does Aeroseal Windows cost in Mountainside?

Pricing information is 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. The best way to get more accurate information is to request 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 offers the best warranty in Mountainside. This company has been in business since 2002 and currently services 27 states nationwide. The provider has plenty of positive reviews from customers on online review websites.

Universal may be the company for you if you want one that has an industry-leading warranty covering products, parts and workmanship for life.

Energy Efficiency of Universal Windows Direct Windows

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. Not all of Universal's windows are Energy Star certified, so be sure to mention that you're interested in Energy Star windows when inquiring.

How much does Universal Windows Direct cost in Mountainside?

Prices aren't listed on Universal's 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. If you'd like to know for sure, you can request a quote on the company's website.

We have tried to remain unbiased and transparent by including pros and cons for every installer. Additionally, any partnerships do not influence our reviews.

More Window Replacement Companies in Mountainside

New Jersey Siding & Windows, Inc.

Randolph, NJ
4.6
★★★★★
  • Pros icon Timely Service
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Fast Delivery
  • Service icon Energy-Efficient Options
  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Double-Hung
  • Service icon Stained Glass
  • Service icon Sliding Glass

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

Bluesky Windows & Construction

New York, NY
4.6
★★★★★
  • Pros icon Excellent Customer Service
  • Pros icon Dependable Service
  • Pros icon Locally Recognized for Quality
  • Pros icon Free Quotes

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Glass Showers
  • Service icon Custom Window Designs
  • Service icon Business Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: http://blueskywindowsnyc.com/
Address: 205 W 29th St 2nd floor, New York, NY 10001
Phone: (212) 239-8550

The Glass Guru

East Rutherford, NJ
4.4
★★★★★
  • Pros icon Price Transparency
  • Pros icon Consistent Workmanship
  • Pros icon Free Quotes
  • Pros icon Educational Website

Services Offered

  • Service icon Glass Showers
  • Service icon Tempered Glass
  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Full-Service Installations
  • Service icon Business Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://www.theglassguru.com/meadowlands/
Address: 130 Hackensack St, East Rutherford, NJ 07073
Phone: (201) 366-3699

Factory Direct Windows and Doors New Jersey

Freehold Township, NJ
4.4
★★★★★
  • Pros icon Excellent Customer Service
  • Pros icon Timely Service
  • Pros icon Educational Website
  • Pros icon Consistent Workmanship

Services Offered

  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Energy-Efficient Options
  • Service icon Custom Windows
  • Service icon Full-Service Installations
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://windowsdoorsnewjersey.com/
Address: 82 Stream Bank Dr, Freehold Township, NJ 07728
Phone: (973) 834-0204

Taylor Door, llc

Paterson, NJ
4.4
★★★★★
  • Pros icon Timely Service
  • Pros icon No-fee Quotes
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Double-Hung
  • Service icon Full-Service Installations
  • Service icon Custom Windows
  • Service icon Stained Glass
  • Service icon Residential Windows
  • Service icon Commercial Windows
  • Service icon Sliding Glass
  • Service icon Aluminum Window Frames

Website: http://www.taylordoornj.com/
Address: 752 20th Ave, Paterson, NJ 07504
Phone: (973) 754-9444

Renewal by Andersen of NJ/NY Metro

10+ years in business · Cranford, NJ
4.3
★★★★★
  • Pros icon Award-Winning
  • Pros icon Educational Website
  • Pros icon Dependable Service
  • Pros icon Free Quotes

Services Offered

  • Service icon Custom Windows
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Stained Glass
  • Service icon Sliding Glass
  • Service icon Bay Windows

Website: https://www.renewalbyandersen.com/window-company/535-nj-ny-metro/retailer
Address: 10+ years in business · Cranford, NJ
Phone: (908) 497-1020

Morris Plate Glass

Red Bank, NJ
4.3
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon No-Hassle Pricing
  • Pros icon Reliable Service
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Double-Hung
  • Service icon Doors
  • Service icon Full-Service Installations
  • Service icon Custom Windows
  • Service icon Tempered Glass
  • Service icon Residential Windows
  • Service icon Business Windows
  • Service icon Aluminum Window Frames
  • Service icon Glass Showers

Website: https://www.morris-plateglass.com/
Address: 32 Bridge Ave, Red Bank, NJ 07701
Phone: (732) 741-1063

American Architectural Window & Door

Sparta Township, NJ
4.3
★★★★★
  • Pros icon Reliable Service
  • Pros icon Award-Winning
  • Pros icon No-Hassle Pricing
  • Pros icon Timely Service

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Full-Service Installations
  • Service icon Commercial Windows

Website: http://aawdinc.com/
Address: 156 Woodport Rd, Sparta Township, NJ 07871
Phone: (800) 495-8175

Window Gallery North Bergen

North Bergen, NJ
4.2
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Timely Service
  • Pros icon Consistent Workmanship
  • Pros icon Free Quotes

Services Offered

  • Service icon Residential Windows
  • Service icon Energy-Efficient Options
  • Service icon Custom Window Designs
  • Service icon Full-Service Installations
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://windowgallerynb.com/
Address: 603 John F. Kennedy Blvd, North Bergen, NJ 07047
Phone: (201) 866-1987

Windows To Go

Neptune Township, NJ
4.1
★★★★★
  • Pros icon Helps Educate Customers
  • Pros icon No-fee Quotes
  • Pros icon Reliable Service
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Architectural Glass
  • Service icon Fast Delivery
  • Service icon Custom Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://windowstogonj.com/
Address: 3535 NJ-66 Parkway 100 Building 4A, Neptune Township, NJ 07753
Phone: (732) 946-3697

Accurate Roofing and Siding Inc.

Robbinsville Twp, NJ
4.1
★★★★★
  • Pros icon Reliable Service
  • Pros icon No-Hassle Pricing
  • Pros icon Reliable Appointment Windows
  • Pros icon Good Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows
  • Service icon Double-Hung

Website: http://www.accurateroofing.com/
Address: 3 Truman Ct, Robbinsville Twp, NJ 08691
Phone: (609) 599-1632

Mr. Handyman of N Monmouth and E Middlesex Counties

Matawan, NJ
4.1
★★★★★
  • Pros icon Award-Winning
  • Pros icon No-fee Quotes
  • Pros icon Timely Service
  • Pros icon Educational Website

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Windows
  • Service icon Full-Service Installations
  • Service icon Commercial Windows
  • Service icon Double-Hung

Website: https://www.mrhandyman.com/north-monmouth-county/
Address: 725 NJ-34, Matawan, NJ 07747
Phone: (732) 253-4484

Able Glass & Mirror Co , Inc.

Caldwell, NJ
4.1
★★★★★
  • Pros icon Price Transparency
  • Pros icon Locally Recognized for Quality
  • Pros icon Helps Educate Customers
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Glass Showers
  • Service icon Fast Delivery
  • Service icon Doors
  • Service icon Custom Windows
  • Service icon Business Windows

Website: http://ableglassmirrorcompany.com/
Address: 79 Bloomfield Ave, Caldwell, NJ 07006
Phone: (973) 228-7600

Alba European Windows & Doors

The Bronx, NY
4.1
★★★★★
  • Pros icon Educational Website
  • Pros icon Free Quotes
  • Pros icon Consistent Workmanship
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Energy-Efficient Options
  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: http://www.albaeuropeanwindows.com/
Address: 1825 Radcliff Ave, The Bronx, NY 10462
Phone: (718) 678-7401

Glass Direct.us: Residential, Auto and Commercial Glass Repair and Replacement, NJ.

Matawan, NJ
4.1
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon No-fee Quotes
  • Pros icon Reliable Service
  • Pros icon Good Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Glass Showers
  • Service icon Doors
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://glassdirect.us/
Address: 101 Church St Unit 4H, Matawan, NJ 07747
Phone: (866) 203-9330

Hoboken Glass Company

Hoboken, NJ
4.1
★★★★★
  • Pros icon Timely Service
  • Pros icon Educational Website
  • Pros icon No-Hassle Pricing
  • Pros icon Dependable Service

Services Offered

  • Service icon Glass Showers
  • Service icon Tempered Glass
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Business Windows
  • Service icon Double-Hung
  • Service icon Stained Glass
  • Service icon Sliding Glass

Website: http://hobokenglass.com/
Address: 805 Clinton St a, Hoboken, NJ 07030
Phone: (201) 963-8148

WindowFix

Brooklyn, NY
4.1
★★★★★
  • Pros icon Free Quotes
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Reliable Service

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Energy-Efficient Options
  • Service icon Tempered Glass
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Business Windows
  • Service icon Double-Hung

Website: https://windowfix.com/
Address: 347 38th St, Brooklyn, NY 11232
Phone: (800) 337-1620

BOON GLASS

Warren, NJ
4.1
★★★★★
  • Pros icon Educational Website
  • Pros icon No-Hassle Pricing
  • Pros icon Free Quotes
  • Pros icon Consistent Workmanship

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Glass Showers
  • Service icon Doors
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows
  • Service icon Sliding Glass

Website: http://www.boonglass.com/
Address: Mountain Ave, Warren, NJ 07059
Phone: (862) 291-8500

Pella

Budd Lake, NJ
4.1
★★★★★
  • Pros icon Excellent Customer Service
  • Pros icon Price Transparency
  • Pros icon Free Quotes
  • Pros icon Locally Recognized for Quality

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Fast Delivery
  • Service icon Custom Window Designs
  • Service icon Business Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass
  • Service icon Bay & Bow Windows

Website: https://www.pella.com/
Address: 30 Sand Shore Rd, Budd Lake, NJ 07828
Phone: (973) 852-6464

Lifetime Aluminum

East Hanover, NJ
4.0
★★★★★
  • Pros icon Consistent Workmanship
  • Pros icon Reliable Appointment Windows
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass
  • Service icon Bay Windows

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

Bernie's Glass & Mirror

Brooklyn, NY
4.0
★★★★★
  • Pros icon Helps Educate Customers
  • Pros icon Reliable Service
  • Pros icon No-fee Quotes
  • Pros icon Price Transparency

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Windows
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Stained Glass
  • Service icon Sliding Glass

Website: https://www.berniesglass.com/
Address: 1554 Fulton St, Brooklyn, NY 11216
Phone: (718) 467-0649

Home Supply Window & Door

Hawthorne, NJ
4.0
★★★★★
  • Pros icon Reliable Service
  • Pros icon No-Hassle Pricing
  • Pros icon Free Quotes
  • Pros icon Helps Educate Customers

Services Offered

  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Energy-Efficient Options
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Business Windows

Website: https://www.hswindows.com/
Address: 160 Van Winkle Ave, Hawthorne, NJ 07506
Phone: (973) 949-5401

How Installing Energy-Efficient Windows in Mountainside Saves You Money

Upgrading to energy-efficient windows can help improve the comfort of your home and help you save on power bills. Here are more ways upgrading your windows could benefit you:

  • Protect your investment: If your home is on the older side, your windows are most likely in need of replacement. Upgrading your windows can improve the insulation in your home and also help increase the value of your property if you decide to sell.
  • Reduce your carbon footprint: Decreasing how much energy you use also lowers your indirect greenhouse gas emissions. You could reduce it by about 206 pounds.
  • Save money on energy bills: Because energy-efficient windows reduce the amount of energy needed to heat or cool your home, the switch can help you save around $277 annually on your energy bills in Mountainside.
  • Protect your valuables: The low-emissivity coatings on many energy-efficient windows help prevent the fading of your floors, carpets and furniture by filtering out UV rays.

Estimated Cost of Window Replacement in Mountainside

Windows come in various styles, purposes and shapes, so costs and services will differ tremendously based on your project. Below, we go over the average cost and services that you'll find from window installation companies.

How Much Do New Windows Cost?

On average, homeowners in Mountainside can expect that most window installations will cost between $250 and $1,200, with the average cost at about $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 have a higher price tag.

With windows, efficiency is one of the most important factors for many homeowners. High efficiency windows may cost more upfront, but by increasing the efficiency of your home — particularly during the summer and winter — they can provide decades of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save Mountainside homeowners $277+ a year after replacing single-pane windows.

Something else that affects the overall cost is the material you pick for your frame. Aluminum frames are typically the least expensive and are sturdy and relatively maintenance-free, but they provide poor insulation. On the other hand, wood frames cost the most because they are aesthetically pleasing and provide decent insulation. Fiberglass and vinyl frames provide good insulation as well and cost somewhere between the other two.

What Services do Window Installers Offer?

There are generally two types of window replacement services: full-frame and pocket installations.

A full-frame installation is a total window replacement. It involves taking out the old window, the windowsill, and the exterior and interior trim. It also involves extra materials, like insulation and drip edges, which increase the overall cost of the project. Also worth noting: you may have to touch up the paint surrounding the window after a full-frame installation. Pocket installations are on the simpler end and won't carry as large a bill because they involve merely replacing the window within its existing frame. But if the frame has any damage or deterioration, you may have to get a full-frame installation instead.

Your window installation company should be able to help you figure out which type of installation you should get.

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Great industry reputation
  • Award-winning company
  • Manufactures products in-house
  • No lifetime warranty

Best Affordability

Window World

★★★★★
4.5

  • Great industry reputation
  • Lifetime warranty
  • EnergyStar Partner
  • Quality of service will depend on your area

Best for Businesses

Aeroseal Windows

★★★★★
4

  • Many years of experience
  • Manufactures products in-house
  • Great industry reputation
  • Not ideal for residential installations

How We Choose the Best Window Installers in Mountainside

In our search to make your home improvements easier and more eco-friendly in Mountainside, the EcoWatch Reviews team chose the above companies as the best window installation companies in the city. Along with energy efficiency, we reviewed window companies all across the state and assigned rankings based on the following methodology:

Service Area

Because this is a guide for Mountainside, we gave more points to companies that provide services to the city. There are certainly reputable providers that didn't make our list because of the low odds that they would serve the average homeowner in Mountainside.

Work Quality

When selecting new windows, the quality and breadth of services can often play just as important of a role in insulation and performance as the brand you choose. We do rate window installers higher if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.

Customer Reviews

We analyzed trends in recent online reviews to find the companies with the most consistent customer satisfaction. Customer satisfaction may be the factor we place the most value on, as it indicates the quality of services across nearly every category, including professionalism, warranty, cost, quality of installation, quality of parts and more.

Cost

This one is a give-and-take: as with other services, cheap window companies may not provide the highest quality service. On the other hand, we want to make sure we're highlighting companies that offer 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. That's why window installation companies that have 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 a while. Window installers that have more experience will earn higher rankings by our standards. We like to see at least ten years of experience.

Mountainside, NJ Window Replacement FAQs

How much does window installation cost?

The national average cost of replacing a single window is about $600 but can range between $200 and $1,200, depending on several factors. The price is usually dependent on the type and material of the window, the size of the window and the location of your property. Also, bear in mind that energy-efficient windows may cost more upfront but can save you a decent amount of money a year in energy bills.

Which type of window should I get?

Generally, double-pane windows are more efficient than single-pane windows and windows that don't open are more efficient than windows that do. To be sure you're getting the most energy-efficient windows, look for models with the blue Energy Star certification — this means they're certified energy-efficient by the U.S. Department of Energy.

When do I need to use a window installation company?

You should use a window installation professional whenever you need to replace your windows. Installing windows is a complex process that can be difficult to do on your own, so it's best handled by the professionals.

How long does window installation generally take?

Since the average installation time is 30 minutes per window, around 16 windows can be installed in a typical 8-hour work day.

What time of year is the best time to replace my windows?

Though you can install windows any time of year, warmer weather is generally better for installing replacement windows. Additionally, the weather should be dry, since rain can make the installation more difficult.

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