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

When it's time to upgrade your windows, our reviews of the top window installation companies can help you find the right provider for you.

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

Whether you're updating for aesthetics or have damaged windows, windows play a vital role in conserving your home's electricity. Poor windows can make your AC or heater work extra hard in the summer or winter.

That's also bad news for the environment, as the additional energy used by old windows increases your carbon footprint.

As windows have such a large impact on your home, choosing the best company for you is a big decision to make. That's why the EcoWatch team has curated this list of the best window installation companies, so you can more easily make an informed decision.

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 Nutley

The EcoWatch Reviews team evaluated dozens of providers that serve the Nutley area to find the best window installation companies by our standards. We assessed the companies on their energy-efficient offerings, price, customer service, 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 has windows expertise in Nutley. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This provider has 27 years of experience in the window installation business, and it has established itself as one of the most respected companies in Nutley. Its reputation is backed by many positive reviews from customers online.

You may want to consider picking Window World 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.

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 be sure to mention that you’re interested in Energy Star windows when inquiring.

How much does Window World cost in Nutley?

Window World doesn’t have any pricing information listed on its website, but it's known for offering some of the most affordable window installations around. The best way to get more accurate information is to ask for a free quote from the company.

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 has the best availability in Nutley. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This provider has 27 years of experience in the window installation business, and it has established itself as one of the most respected companies in Nutley. Its reputation is backed by many positive reviews from customers online.

You may want to consider picking Andersen if you're looking for 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

A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019. Not all of Andersen’s offerings are Energy Star certified, so be sure to mention that you’re interested in Energy Star windows when inquiring.

How much does Renewal by Andersen cost in Nutley?

Andersen doesn’t have any pricing information listed on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. The best way to get more accurate information is to ask for a free 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 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 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. This company has been in business since 1999 and currently provides services to 13 states and Washington D.C. Hundreds of positive reviews on customer review websites back the provider's reputation.

It 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 Nutley?

Aeroseal does not display prices on its website, but it provides high-quality windows at a competitive price point. You can inquire about 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 has the best warranty in Nutley. 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 established itself as one of the most respected companies in Nutley.

You may want to consider picking 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

Universal Windows Direct carries some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to mention that you want high-quality Energy Star windows when inquiring. 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 Nutley?

Universal doesn’t have any prices 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 the cost.

Please note that the following companies are national, which means the quality of the service may depend on your local team. We have tried to be unbiased and transparent by mentioning pros and cons for each company.

More Window Companies in Nutley

Renewal by Andersen of NJ/NY Metro

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

Services Offered

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

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 Educational Website
  • Pros icon Timely Service
  • Pros icon Free assessment

Services Offered

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

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

The Glass Guru

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

Services Offered

  • Service icon Residential Windows
  • Service icon Sliding Glass
  • Service icon Glass Showers
  • Service icon Custom Window Designs
  • Service icon Window Replacement
  • Service icon Bay Windows
  • Service icon Window Repair
  • Service icon Stained Glass
  • Service icon Tempered Glass
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Full-Service Installations
  • Service icon Aluminum Window Frames

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

Window Gallery North Bergen

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

Services Offered

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

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

PJ Fitzpatrick

Fairfield, NJ
4.5
★★★★★
  • 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 Commercial Windows
  • Service icon Residential Windows
  • Service icon Window Repair
  • Service icon Glass Showers
  • Service icon Sliding Glass
  • Service icon Window Replacement
  • Service icon Custom Window Designs

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

Deluxe Windows & Doors

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

Services Offered

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

Website: http://deluxewindows-nj.com/
Address: 229 Harrison Ave, Garfield, NJ 07026
Phone: (973) 340-7667

RWC Windows, Doors, Kitchens, & Baths

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

Services Offered

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

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

Carolan Contractors

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

Services Offered

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

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

Donny's Home Improvement

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

Services Offered

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

Website: https://donnysroofing.com/
Address: 30 16th Ave, Elmwood Park, NJ 07407
Phone: (973) 333-6364

Home Supply Window & Door

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

Services Offered

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

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

A&A Affordable Home Improvement LLC

Clifton, NJ
4.3
★★★★★
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

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

Website: https://www.aaaffordablehome.com/
Address: 90 Day St Suit: F10, Clifton, NJ 07011
Phone: (888) 264-6977

New America Construction

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

Services Offered

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

Website: https://newamericaconstructionco.com/
Address: 256 Bergen Blvd #205, Woodland Park, NJ 07424
Phone: (973) 804-9400

Bloomfield Window and Door Company

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

Services Offered

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

Website: http://www.bloomfieldwindowanddoor.com/
Address: 452 Broad St, Bloomfield, NJ 07003
Phone: (201) 889-5864

Aluminum Windows

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

Services Offered

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

Website: http://www.deluxewindows-nj.com/
Address: 104 Orchard St, Elmwood Park, NJ 07407
Phone: (973) 233-4188

Home Windows Replacement & Installation

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

Services Offered

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

Website: http://deluxewindows-nj.com/
Address: 112b US-46, Saddle Brook, NJ 07663
Phone: (201) 249-6391

R and G Roofing - Carpentry and Siding

City of Orange, NJ
4.2
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

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

Website: https://rghomeimprovement.business.site/
Address: 625 Beach St, City of Orange, NJ 07050
Phone: (973) 324-9461

Simple Home Improvements

Totowa, NJ
4.2
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Timely Service

Services Offered

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

Website: https://simplehi.com/
Address: 999 Riverview Dr Suite 201-244, Totowa, NJ 07512
Phone: (877) 425-5518

Window Repair, Replacement & Installation

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

Services Offered

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

Website: http://deluxewindows-nj.com/
Address: 3300 Broadway #433a, Fair Lawn, NJ 07410
Phone: (201) 381-4719

Winstar Windows

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

Services Offered

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

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

Tri-State Window and Siding

Woodland Park, 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 Window Replacement
  • Service icon Residential Windows
  • Service icon Custom Window Designs
  • Service icon Energy-Efficient Options

Website: https://tristatewindowandsiding.com/
Address: 86 Lackawanna Ave # 208, Woodland Park, NJ 07424
Phone: (855) 787-2713
Nutley Window Cost Calculator

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

By upgrading to energy-efficient windows, you can benefit in several ways, including:

  • Protect your investment: When your home is on the older side, your windows could also be outdated or damaged. Upgrading your windows is an important part of maintaining your property and its real estate value.
  • Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which not only provide better insulation for your home, but also filter out damaging UV rays, preventing fading of your furniture, carpet and other valuables.
  • Better temperature control in your home: Living in a very cold place like Nutley can often mean depending on your heater to keep your home cool. Energy-efficient windows can reduce how hard your heating system needs to work to heat your home.
  • Reduce your carbon footprint: By using less energy after switching to energy-efficient windows, you'll also be reducing your indirect greenhouse gas emissions by about 12%, according to Energy Star.

Estimated Cost of Window Replacement in Nutley

Each window replacement company provides varying services and has different costs based on a few factors.

How Much Do New Windows Cost?

Generally, Nutley homeowners can expect their window replacements to range from $250 to $1,200. The average cost sits at around $600. But costs will differ significantly based on your location, the current condition of your home, the number of windows you need and the quality of your products. A lot of window companies also offer door installations and other add-ons like shutters, baths, coating and more. These extra services will increase overall project costs.

It's also worth bearing in mind that energy-efficient windows will almost always cost more upfront, but Energy Star estimates that switching out the windows on your Nutley home can mean an average energy savings of $236 to $319 per year for single-pane window replacement, or between $87 to $126 per year for double-pane windows. How much you'll save by upgrading to energy-efficient windows depends on your local climate, energy rates and other factors unique to your home.

We recommend requesting free quotes from multiple window installers to find the one that works best for you.

What Services do Window Installers Offer?

The first question to ask yourself when planning to replace your windows is: Do you need a full-frame installation or a pocket installation?

Full-frame installations entail replacing the full window, including the trim, frame and sill. You most likely need a full-frame installation when you want a new style or your window has noticeable deterioration. Because full-frame installations are more involved, they will raise the overall cost. Pocket installations (also known as retrofits) are when you replace a window while leaving the old frame. Pocket installations are simpler and won't cost as much, but you can't do this kind of installment if you have any pre-existing rot or water damage.

If you're still trying to decide which kind of installation to get, you can ask your installer and get their advice. The choice mostly is influenced by the age of your window frames and if there's any damage.

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 Nutley

In our hunt to make your home improvements easier and more eco-friendly in Nutley, the EcoWatch team examined many companies before landing on these. Along with energy efficiency, we assessed several window installers in Nutley and assigned rankings based on the following methodology:

Service Area

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

Work Quality

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

Customer Reviews

Customer feedback is another super important review factor. If most customers don't have good things to say about their service from a certain installer, it won't be featured on EcoWatch.

Cost

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

Warranty

As discussed previously, windows are a considerable investment, so you'll want to make sure that investment is well protected. Window installation companies that provide lengthy warranties for products, parts and labor rank higher with EcoWatch.

Years of Experience

Lastly, we like to see companies that have been in the industry for a while. Window installers that have more years of experience will earn higher rankings by our standards. We like to see at least ten years of experience.

Nutley, NJ Window Replacement FAQs

What is the typical cost to install new windows?

The national average cost to install a single window is about $600 but can range between $200 and $1,200, depending on a variety of factors. The price is usually 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 hundreds of dollars a year in energy bills.

Which kind of window should I get?

A window's energy efficiency is affected by several factors, such as the quality of the installation and the kind of window. Look for Energy Star Certified windows — these are often the most energy-efficient since they are certified by the U.S. Department of Energy.

What do window installers do?

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

How long does it take to install windows?

Each window takes around 30 minutes to install depending on the type of window. However, the window installation can be a two-day job — or more — if you need to have a lot of windows installed.

When is the best time of year to replace windows?

Replacement windows can be installed any time of the year, but autumn might be the best season. No matter when you install them, the contractors will take steps to make sure that too much hot or cold air doesn't get into your house, so the temperature outside doesn't necessarily matter that much. What's more important than the temperature is that the weather should be dry.

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