21 Best Window Replacement Companies in Montville, NJ (2023 Reviews)
Window Companies Near Me

When you need to replace your windows, our guide to the top window installation companies can help you find the provider for you.

We analyzed all the top window installers in Montville and selected the top 21 based on:

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

By EcoWatch Local Advisors

Updated March 14, 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 renewable energy sources like wind and solar are important when it comes to decreasing your carbon footprint, improving your house's energy efficiency can also have a large impact on home energy conservation. Outdated windows can cost you in electric bills. In fact, the Department of Energy estimates that about 30% of your house's heat or cool air could be lost through your windows.

Thankfully, saving you money with more efficient windows also aligns with our goals of reducing energy usage for the environment.

We've put together a list of the best installation companies to help you in your research, so you can not only enjoy brand new windows, but also save money on your power bills.

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Member of US Green Building Council
  • Manufactures products in-house
  • Award-winning company
  • More expensive than competition

Best Affordability

Window World

★★★★★
4.5

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

Best for Businesses

Aeroseal Windows

★★★★★
4

  • Manufactures products in-house
  • Great industry reputation
  • Custom Designs
  • Not ideal for residential installations

Best Window Replacement Companies in Montville

The EcoWatch team examined dozens of installers in Montville to find the top window companies for our readers. The companies we've mentioned in this article passed our review standards for energy-efficient offerings as well as price, customer service, local expertise and beyond.

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 Member of US Green Building Council
  • Pros icon Manufactures products in-house
  • Pros icon Award-winning company
Cons:
  • Pros icon More expensive than competition

Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This window installation company has been operating since 1995 and currently provides services to nearly every state except Mississippi and West Virginia. Many positive reviews from customers online back the company's reputation.

Andersen may be the company for you if you're looking for one 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's commitment to sustainability can be seen in its energy-efficient window offerings. A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019.

How much does Renewal by Andersen cost in Montville?

Pricing information is 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 inquire about a quote from the company.

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

Window World

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

Window World offers windows expertise in Montville. 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 installation business.

If you're looking for a company that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital, Window World may be the perfect company for you.

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 Montville?

Window World doesn't have any pricing information displayed on its website, but it's known for offering some of the most affordable window installations around. If you'd like to know for sure, you can receive a quote on the company's website.

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 Manufactures products in-house
  • Pros icon Great industry reputation
  • Pros icon Custom Designs
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 over 23 years of experience in the windows industry, and it currently serves 13 states and Washington D.C. Its reputation is backed by a considerable amount of positive reviews from customers online.

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

Energy Efficiency of Aeroseal Windows Windows

There are a wide range 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 Montville?

Aeroseal does not mention prices on its website, but 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.

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 Montville. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. This provider has 20 years of experience in the window installation business, and it has become one of the most respected companies in the business. Its reputation is backed by many positive reviews on customer review websites.

You may want to consider choosing Universal if you're looking for a company 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 offerings are Energy Star certified, so be sure to mention that you'd like Energy Star windows when inquiring.

How much does Universal Windows Direct cost in Montville?

Universal doesn't have any pricing information listed 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. For more accurate information on pricing, you can request a quote from the company.

Please note that the companies in this section are national, meaning the quality of the service may depend on your local crew. We have tried to remain unbiased and transparent by describing both pros and cons for every provider.

More Window Replacement Companies in Montville

New Jersey Siding & Windows, Inc.

Randolph, NJ
4.6
★★★★★
  • Pros icon Reliable Service
  • Pros icon Locally Recognized for Quality
  • Pros icon Helps Educate Customers
  • 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 Award-Winning
  • Pros icon Price Transparency
  • 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 Dependable Service
  • Pros icon Locally Recognized for Quality
  • 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

Taylor Door, llc

Paterson, NJ
4.4
★★★★★
  • Pros icon Reliable Service
  • Pros icon Free Quotes
  • Pros icon Good Customer Service
  • Pros icon Educational Website

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 Educational Website
  • Pros icon Price Transparency
  • Pros icon Reliable Service
  • Pros icon Free Quotes

Services Offered

  • Service icon Custom Windows
  • Service icon Business 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

American Architectural Window & Door

Sparta Township, NJ
4.3
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon Educational Website
  • Pros icon Reliable Service
  • Pros icon No-Hassle Pricing

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 Helps Educate Customers
  • Pros icon Reliable Service
  • Pros icon Timely Service
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Residential Windows
  • 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://windowgallerynb.com/
Address: 603 John F. Kennedy Blvd, North Bergen, NJ 07047
Phone: (201) 866-1987

ATM Mirror & Glass

Buchanan, NY
4.2
★★★★★
  • Pros icon Educational Website
  • Pros icon Locally Recognized for Quality
  • Pros icon No-Hassle Pricing
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Glass Showers
  • Service icon Fast Delivery
  • Service icon Energy-Efficient Options
  • Service icon Doors
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows
  • Service icon Sliding Glass

Website: http://www.atmglass.com/
Address: 3115 Albany Post Rd, Buchanan, NY 10511
Phone: (914) 941-4230

Giant Siding and Windows

White Plains, NY
4.1
★★★★★
  • Pros icon Award-Winning
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

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

Website: https://giantsidingandwindows.com/
Address: White Plains, NY
Phone: (914) 358-1913

Mr. Handyman of N Monmouth and E Middlesex Counties

Matawan, NJ
4.1
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon No-Hassle Pricing
  • Pros icon Locally Recognized for Quality
  • Pros icon Dependable Service

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Window Designs
  • Service icon Full-Service Installations
  • Service icon Business 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 Excellent Customer Service
  • Pros icon Consistent Workmanship
  • Pros icon Reliable Appointment Windows
  • Pros icon No-Hassle Pricing

Services Offered

  • Service icon Glass Showers
  • Service icon Fast Delivery
  • Service icon Doors
  • Service icon Custom Windows
  • Service icon Commercial 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 Helps Educate Customers
  • Pros icon Price Transparency
  • Pros icon Reliable Service
  • Pros icon Free Quotes

Services Offered

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

Hoboken Glass Company

Hoboken, NJ
4.1
★★★★★
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Dependable Service
  • Pros icon Good Customer Service

Services Offered

  • Service icon Glass Showers
  • Service icon Tempered Glass
  • Service icon Custom Windows
  • 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 Good Customer Service
  • Pros icon Reliable Service
  • Pros icon Free Quotes
  • Pros icon Helps Educate Customers

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 Commercial 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 Free Quotes
  • Pros icon Price Transparency
  • Pros icon Excellent Customer Service
  • Pros icon Reliable Service

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Glass Showers
  • Service icon Doors
  • Service icon Custom Windows
  • 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 Educational Website
  • Pros icon Excellent Customer Service
  • Pros icon No-fee Quotes
  • Pros icon No-Hassle Pricing

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Fast Delivery
  • Service icon Custom Windows
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass
  • Service icon Bay 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 Arrives on Time
  • Pros icon No-Hassle Pricing
  • Pros icon Good Customer Service
  • Pros icon Consistent Workmanship

Services Offered

  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Business Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass
  • Service icon Bay & Bow 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 Price Transparency
  • Pros icon No-fee Quotes
  • Pros icon Arrives on Time
  • Pros icon Educational Website

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Window Designs
  • Service icon Business 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 Free Quotes
  • Pros icon Excellent Customer Service
  • Pros icon Timely Service

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

Complete Roof Systems

Dumont, NJ
4.0
★★★★★
  • Pros icon Free Quotes
  • Pros icon No-Hassle Pricing
  • Pros icon Consistent Workmanship
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Full-Service Installations
  • Service icon Commercial Windows

Website: http://www.crsroofing.net/
Address: 25 Aladdin Ave, Dumont, NJ 07628
Phone: (201) 734-5465

ABCO Glazing

Suffern, NY
4.0
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Helps Educate Customers
  • Pros icon No-fee Quotes
  • Pros icon Excellent Customer Service

Services Offered

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

Website: https://abcoglazing.com/
Address: 6 Catalina Ct, Suffern, NY 10901
Phone: (845) 377-3883

How Installing Energy-Efficient Windows in Montville Saves You Money

By switching to energy-efficient windows, you can take advantage of several benefits, such as:

  • Protect your investment: Keeping your windows up to date is an important part of maintaining your property and its value, especially if your home is on the older side.
  • Save on power bills: Since energy-efficient windows decrease how much energy you need to heat or cool your home, the switch can help you save around $287 annually on your energy bills in Montville.
  • Protect your valuables from fading: The low-emissivity coatings on many energy-efficient windows filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
  • Decrease your carbon footprint: You can reduce your indirect greenhouse gas emissions by about 12% after you install Energy Star certified windows. In Montville, that's about 206 pounds per year on average.

Estimated Cost of Window Replacement in Montville

Windows come in varying shapes, purposes and styles, so costs and services will vary remarkably depending on your project. Below, we go over the typical cost and services that you can get from window replacement companies.

How Much Do New Windows Cost?

According to our market research, the national average cost of installing a single window is about $600. However, window replacement costs can range from $200 to $1,200 per window. How much it will cost you depends on several factors, such as material, type, size, the location of your home, number of windows and more.

With windows, efficiency is the most important factor 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 give you many years of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save Montville homeowners $287+ a year after replacing single-pane windows.

Getting free quotes from several providers is the best way to find out which one is right for you.

What Services do Window Installers Offer?

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

A full-frame installation replaces the complete window, including the windowsill, frame, trim and the window panes. As this kind of installation is more involved, it will cost more than a pocket installation. Pocket installations (also known as retrofits) are when you replace a window without replacing the frame. Pocket installations are on the simpler end and won't carry as large a bill, but you can't do this kind of installment if you have any pre-existing rot or water damage.

If you're not sure which type of window installation service you should get, your installer should be able to help you out. Typically, the choice is based on factors like the age and condition of the home, the type of building material, budget and time restrictions.

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Member of US Green Building Council
  • Manufactures products in-house
  • Award-winning company
  • More expensive than competition

Best Affordability

Window World

★★★★★
4.5

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

Best for Businesses

Aeroseal Windows

★★★★★
4

  • Manufactures products in-house
  • Great industry reputation
  • Custom Designs
  • Not ideal for residential installations

How We Choose the Best Window Installers in Montville

The EcoWatch Reviews team is different from most reviewers since we look at these companies through a sustainability lens. We have assessed the top window installers in Montville mainly based on their energy efficient offerings, as it's the most sustainable option and the best one for homeowners. Energy Star certified windows can lower electricity 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 installation companies that serve a wide variety of states and cities so you can find a quality window installation company near you.

Work Quality

We're certain that you're looking for a company to do a great job installing windows. We've vetted each company included in our guide to ensure its contractors are well-qualified and that the company has received lots of positive customer feedback to vouch for its service.

Customer Reviews

Customer feedback is another very important review factor. If most customers don't have positive feedback about their service from a certain window installation company, you won't see it featured on EcoWatch.

Cost

Cheaper windows certainly don't mean better windows, but we know many of our readers try to keep costs low when possible. When analyzing providers' prices, we gave higher points to companies with reasonable prices and accessible financing rather than "cheaper" services.

Warranty

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

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

Montville, NJ Window Replacement FAQs

How much should window installation cost?

The national average cost to install a window is about $600 but can range between $200 and $1,200, depending on a variety of 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, 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 type of window is the best for energy efficiency?

A window's energy efficiency depends on a variety of factors, such as the quality of the installation and what kind of window it is. Look for Energy Star Certified windows — these are usually the most energy-efficient since they are certified by the U.S. Department of Energy.

What do window installation companies do?

Window installation companies cover the entire process — from replacing your old windows with brand new ones to cleaning up after the installation. Additionally, a lot of companies offer window manufacturing, customization and repairs.

How often should you replace windows?

Windows have a typical lifespan of about 20 to 30 years. If your windows are older than that, they probably need to be replaced. Other than that, if your windows have damage anywhere on them, or they have become difficult to open or close, they may be in need of replacement.

Should I replace all my windows at once?

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

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