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

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

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

The EcoWatch team is all about finding solutions for eco-conscious homeowners in Westville. According to the Department of Energy, heat gained or lost through outdated, drafty windows could be responsible for 25-30% of household energy climate control costs.

Luckily, helping you save energy with upgraded windows also helps our goals of reducing energy usage for the environment.

So if you're constructing a new home, renovating or replacing your windows in Westville, this guide is the best place to get started.

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 Westville

The EcoWatch team evaluated dozens of installers across the country to find the top window installation companies for our readers. We assessed the installers on their energy-efficient offerings, customer service, price, coverage area, 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 offers windows expertise in Westville. It's the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has about 27 years of industry experience, and it currently provides services to 200 locations nationwide.

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 offers 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. 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 Westville?

Even though pricing is not readily available on Window World’s website, it's known for offering some of the most affordable window installations around. If you’d like more accurate information, you can receive a quote on the company’s website.

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 is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has been in the window business for about 27 years. Its reputation is backed by hundreds of positive reviews on customer review websites.

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

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

How much does Renewal by Andersen cost in Westville?

Prices are not available on Andersen’s website since the cost of window replacement varies greatly based on how many and what type(s) of windows you need. However, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. Requesting 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 Westville. Aeroseal has about 23 years of experience in the windows industry, and it currently serves 13 states and Washington D.C. Its reputation is backed by several positive reviews from customers online.

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

Energy Efficiency of Aeroseal Windows Windows

Aeroseal Windows caters to eco-conscious consumers by providing energy-efficient window offerings. 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 Westville?

Aeroseal does not outline prices on its website, but it provides high-quality windows at a competitive price point. You can request a free quote on its website for more information about pricing.

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 is a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has been in the window business for about 20 years. Its reputation is backed by hundreds of positive reviews on customer review websites.

It has an industry-leading warranty covering products, parts and workmanship for life.

Energy Efficiency of Universal Windows Direct Windows

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

How much does Universal Windows Direct cost in Westville?

Prices are not available on Universal’s website since the cost of window replacement varies greatly based on how many and what type(s) of windows you need. However, 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. Requesting a free quote on its website is the best way to get more accurate information.

We aim to remain unbiased and transparent by mentioning pros and cons for each company we review. Additionally, our rankings are not affected by any partnerships.

More Window Companies in Westville

Renewal by Andersen Window Replacement

King of Prussia, PA
4.5
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Bay Windows
  • Service icon Fast Delivery
  • Service icon Window Replacement
  • Service icon Residential Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass
  • Service icon Energy-Efficient Options
  • Service icon Aluminum Window Frames
  • Service icon Full-Service Installations
  • Service icon Custom Window Designs
  • Service icon Stained Glass

Website: https://philadelphiawindow.com/
Address: 761 5th Ave #3, King of Prussia, PA 19406
Phone: (484) 371-4056

Champion Replacement Windows of Philadelphia

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

Services Offered

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

Website: https://www.championwindow.com/Philadelphia/
Address: 1256 N Church St Unit 1, Moorestown, NJ 08057
Phone: (267) 297-4669

Window World of Philadelphia

Horsham, PA
4.3
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

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

Website: https://www.windowworldphiladelphia.com/
Address: 253 Horsham Rd, Horsham, PA 19044
Phone: (215) 395-1608

Window Nation

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

Services Offered

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

Website: https://www.windownation.com/cherry-hill-showroom/
Address: 9256 Commerce Hwy, Pennsauken Township, NJ 08110
Phone: (856) 566-7200

Emerald Windows

Philadelphia, PA
4.4
★★★★★
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

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

Website: http://www.emeraldwindowsinc.com/
Address: 2301 N 9th St, Philadelphia, PA 19133
Phone: (215) 236-6767

ARDMOR, Inc

Pennsauken Township, NJ
4.4
★★★★★
  • 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 Sliding Glass
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows
  • Service icon Window Repair
  • Service icon Window Replacement
  • Service icon Double-Hung
  • Service icon Glass Showers
  • Service icon Residential Windows
  • Service icon Full-Service Installations
  • Service icon Custom Window Designs
  • Service icon Fast Delivery

Website: https://ardmor.com/
Address: 3011 N Centre St, Pennsauken Township, NJ 08109
Phone: (267) 314-7757

Kendall Total Home

Laurel Springs, NJ
4.4
★★★★★
  • 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 Fast Delivery
  • Service icon Full-Service Installations
  • Service icon Residential Windows
  • Service icon Window Replacement
  • Service icon Commercial Windows
  • Service icon Sliding Glass
  • Service icon Stained Glass
  • Service icon Custom Window Designs

Website: http://www.kendalltotalhome.com/
Address: 1366 Chews Landing Rd, Laurel Springs, NJ 08021
Phone: (856) 227-2132

Pella Windows & Doors of Cherry Hill

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

Services Offered

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

Website: https://www.pellabranch.com/philadelphia/showrooms/cherry-hill/
Address: 165 Barclay Shopping Ctr, Cherry Hill, NJ 08034
Phone: (856) 354-3240

Nu Look Roofing, Siding, and Windows

Mt Laurel Township, NJ
4.3
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Aluminum Window Frames
  • Service icon Stained Glass
  • Service icon Sliding Glass
  • Service icon Commercial Windows
  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Custom Window Designs
  • Service icon Energy-Efficient Options
  • Service icon Window Replacement

Website: https://nulookhomedesign.com/service-area/roofing/mount-laurel-nj/
Address: 100 Century Pkwy #150, Mt Laurel Township, NJ 08054
Phone: (856) 335-7654

Sunbeam Window & Door Co.

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

Services Offered

  • Service icon Sliding Glass
  • Service icon Residential Windows
  • Service icon Aluminum Window Frames
  • Service icon Custom Window Designs
  • Service icon Window Replacement
  • Service icon Glass Showers
  • Service icon Bay Windows
  • Service icon Commercial Windows
  • Service icon Energy-Efficient Options

Website: https://www.sunbeamwindow.com/
Address: 5825 Clayton Ave Unit B, Pennsauken Township, NJ 08109
Phone: (856) 662-3300

O & R Glass Repairs

Philadelphia, PA
4.2
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

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

Website: https://www.oandrglassrepairs.com/
Address: 3628 N 5th St, Philadelphia, PA 19140
Phone: (215) 223-7405

Energy Windows, Doors and More

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

Services Offered

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

Website: https://www.energywindowstoday.com/
Address: 923 Haddonfield Rd Suite 300, Cherry Hill, NJ 08002
Phone: (856) 565-4010

Complete Home Remodeling and Improvements Contractors

Gibbstown, NJ
4.1
★★★★★
  • 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 Energy-Efficient Options
  • Service icon Glass Showers
  • Service icon Residential Windows
  • Service icon Aluminum Window Frames
  • Service icon Bay Windows
  • Service icon Double-Hung
  • Service icon Custom Window Designs

Website: http://responsibleremodeling.blogspot.com/
Address: 1051 Ladner Ave, Gibbstown, NJ 08027
Phone: (856) 956-6425

Southwest Vinyl Windows

Lansdowne, PA
4.1
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

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

Website: https://southwestvinylwindows.com/
Address: 6250 Baltimore Ave #7, Lansdowne, PA 19050
Phone: (610) 626-8826

Grand View Roofing & Exteriors

Blackwood, NJ
4.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

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

Website: https://www.gvexteriors.com/
Address: 5471 NJ-42, Blackwood, NJ 08012
Phone: (856) 754-5171

American Vinyl Products, Inc.

Philadelphia, PA
4.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

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

Website: https://americanvinylproduct.com/
Address: 930 N 8th St, Philadelphia, PA 19123
Phone: (215) 425-8970

The Window Place Plus

Cherry Hill, 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 Window Replacement

Website: http://windowplaceplus.com/
Address: 1235 Folkestone Way, Cherry Hill, NJ 08034
Phone: (856) 216-1888

Apex Windows Philadelphia

Philadelphia, PA
3.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

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

Website: http://apexwindows.com/
Address: 3392 Memphis St, Philadelphia, PA 19134
Phone: (215) 291-2850

Erie Home

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

Services Offered

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

Website: https://www.eriehome.com/location/philadelphia/
Address: 1247 N Church St # 8, Moorestown, NJ 08057
Phone: (856) 360-2830

Universal Windows Direct of Philadelphia

Sharon Hill, PA
3.8
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Window Replacement
  • Service icon Glass Showers

Website: https://www.universalwindowsdirect.com/philadelphia/
Address: 403 Elmwood Ave, Sharon Hill, PA 19079
Phone: (267) 635-4800
Westville Window Cost Calculator

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

By switching to energy-efficient windows, you can enjoy several benefits, such as:

  • Save money on electricity bills: After you upgrade to energy-efficient windows, you can expect a reduction in your bills by about 12% because you'll require less energy to heat or cool your house.
  • Protect your investment: The older your home is, the more likely it is that getting new windows will benefit you. Older homes tend to have windows that are outdated, leaky or maybe even damaged in some way. Updating your windows could help raise the value of your home if you decide to sell.
  • More efficient energy use in your home: In Westville where the winters can get very cold, energy-efficient windows reduce how much heat is lost through your windows, making it easier to keep your house warm.
  • Protect your valuables: The low-emissivity coatings on many Energy Star certified windows help prevent your floors, carpets and furniture from fading by filtering out UV rays.

Estimated Cost of Window Replacement in Westville

Windows come in all shapes and sizes, so costs and services will vary tremendously. Here are the average costs and the primary services that you can find from the average window installation company.

How Much Do New Windows Cost?

According to our research, the average cost of replacing a single window is around $600. However, window installation costs can range from $200 to $1,200 for each window. But costs will vary significantly depending on the current condition of your home, the quality of your products, the number of windows you need and your location. Many window companies also offer replacement door installations and other add-ons like baths, shutters, coating and more. Additional services will increase overall project costs.

Keep in mind that energy-efficient windows may cost more upfront, but Energy Star predicts the upgrade will save you between $101 and $583 per year when replacing single-pane windows and between $27 and $197 per year when replacing double-pane, clear glass windows. Your savings will vary depending on your local climate, energy rates and individual home characteristics.

How much your window installation costs will also vary depending on the kind of window material you choose for the frames. Wood windows are typically the most expensive, although it depends if 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?

In regard to window installations, in general there are two types that your installer will have: full-frame and pocket installations.

Full-frame installations involve replacing the full window, including the frame, sill and trim. Full-frame installations are necessary when you want a new style or your window has significant rot or deterioration. Because full-frame installations are more involved, they will increase the overall cost. Pocket installations (or retrofits) entail installing a new window within its existing frame, which makes pocket installations less labor-intensive and costly. But, if the frame has any damage or rot, you will likely need a full-frame installation instead.

Your window installer should be able to help you choose which type of installation you should get.

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 Westville

In our hunt to make your home improvements easier and more eco-friendly in Westville, the EcoWatch Reviews team landed on the above companies as the best window installation companies in the city. We've decided to assess the best window installers in Westville mostly based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy-efficient windows have been shown to lower power bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

Service Area

Because this is a guide for Westville, we only included companies that serve the city. There are certainly other reputable providers that didn't make our list because they wouldn't be able to serve homeowners in Westville.

Work Quality

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

Customer Reviews

Customer feedback is another very important review factor. If the majority of customers don't have positive things to say about their service from a certain installer, you won't see it featured on EcoWatch.

Cost

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

Warranty

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

Years of Experience

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

Westville, NJ Window Replacement FAQs

How much does window installation cost?

The national average cost to replace a window is around $600 but can range from $200 to $1,200, depending on several factors. The price is usually dependent on the location of your property, the size of the window and the type and material of the window. Also, remember that energy-efficient windows may cost more upfront but can save you hundreds of dollars 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 will be more efficient than windows that do. If you want to be sure you'll have the most energy-efficient windows, look for models that have the blue Energy Star certification attached to them — this means they're certified energy-efficient by the U.S. Department of Energy.

What do window installers do?

Window installers visit your house to remove your old windows and replace them with new ones. Some companies install products distributed by other companies, whereas others install their own windows. The installer will also clean up after the installation.

What time of year should I replace my windows?

Although you can install windows any time of year, warmer weather is usually better for replacing windows. Additionally, it shouldn't be raining, as rain can make the installation harder.

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