20 Best Window Companies in Upper Saddle River, NJ (2023 Reviews)

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

We analyzed all the top-rated window companies in Upper Saddle River and selected the best 20 based on:

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

By EcoWatch Local Advisors

Updated September 15, 2023

Why you can trust EcoWatch

Our panel of energy experts work tirelessly to create unbiased reviews and informative content to help homeowners make educated decisions. No other windows site has covered energy efficiency and sustainability as long as EcoWatch, which means we're going to help you find windows replacements that will save on your energy bill and put more money back in your wallet.

Although green energy sources like wind and solar are important when it comes to reducing your carbon footprint, improving your home's energy efficiency can also have a big impact on home energy conservation. Drafty or leaky windows can decrease your home's energy efficiency by up to 30%, according to the Department of Energy. In Upper Saddle River, that's about $285 a year that you could save on your electricity bills after making the switch.

Installing new, efficient windows on your house can help you save money each month on your energy bills — and you can help the environment, too.

Because windows have such a considerable impact on your home, choosing the right company for you is a big decision to make. That's why the EcoWatch team has made this list of the best window replacement 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 Upper Saddle River

The EcoWatch team researched several window providers across Upper Saddle River to narrow our list down to the top ones. The providers mentioned in this article passed our review standards for energy-efficient offerings as well as price, local expertise, customer service and beyond.

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 Upper Saddle River. 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 industry, and it has established itself as one of the most reputable companies in Upper Saddle River.

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, this may be the right company for you.

Energy Efficiency of Window World Windows

Window World is an Energy Star partner and offers a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so make sure to mention that you want energy-efficient windows to your Window World representative when inquiring about services.

How much does Window World cost in Upper Saddle River?

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

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 offers the best availability in Upper Saddle River. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has been in the window industry for about 27 years. Many positive reviews on customer review websites back the provider's reputation.

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, Andersen may be the right provider for you.

Energy Efficiency of Renewal by Andersen Windows

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

How much does Renewal by Andersen cost in Upper Saddle River?

While pricing is 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. The best way to get more accurate pricing information is to receive 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. Aeroseal has over 23 years of experience in the industry, and it currently serves 13 states and Washington D.C. Many positive reviews on customer review websites back the provider's reputation.

It has established itself as a company that installs windows and doors at businesses across the Eastern U.S.

Energy Efficiency of Aeroseal Windows Windows

Aeroseal Windows’s commitment to sustainability shows in its 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 Upper Saddle River?

While prices are not readily available on Aeroseal’s website, it provides high-quality windows at a competitive price point. You can ask for a free quote on its website for more information about the cost.

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 Upper Saddle River. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has been in the window industry for about 20 years. Many positive reviews on customer review websites back the provider's reputation.

If you’re looking for a company that has an industry-leading warranty covering products, parts and workmanship for life, Universal may be the right provider for you.

Energy Efficiency of Universal Windows Direct Windows

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

How much does Universal Windows Direct cost in Upper Saddle River?

While pricing is not available on Universal’s website, 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. The best way to get more accurate pricing information is to receive a free quote from the company.

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

More Window Companies in Upper Saddle River

Renewal by Andersen

Stamford, CT
4.3
★★★★★
  • 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 Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Window Replacement
  • Service icon Glass Showers
  • Service icon Commercial Windows
  • Service icon Stained Glass

Website: https://www.renewalbyandersen.com/window-company/710-westchester/retailer
Address: 2041 W Main St, Stamford, CT 06902
Phone: (203) 406-0545

Window World of North Jersey

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

Services Offered

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

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

Glass Doctor of Ramsey

Ramsey, NJ
4.3
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

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

Website: https://glassdoctor.com/ramsey
Address: 75 Orchard St, Ramsey, NJ 07446
Phone: (201) 825-4600

Home Supply Window & Door

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

Services Offered

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

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

iHome Designs

Oakland, NJ
4.3
★★★★★
  • 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 Double-Hung
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Window Replacement

Website: https://www.ihomedesigns.com/
Address: 68 Hiawatha Blvd, Oakland, NJ 07436
Phone: (551) 313-9593

Donny's Home Improvement

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

Services Offered

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

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

Aspen Home Remodeling, LLC.

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

Services Offered

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

Website: https://www.aspenhomeremodelingllc.com/
Address: 700 Kinderkamack Rd #101, Oradell, NJ 07649
Phone: (201) 994-5354

Window Repair, Replacement & Installation

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

Services Offered

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

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

House Window Replacement & Installation

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

Services Offered

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

Website: http://deluxewindows-nj.com/
Address: 11-13 Sunflower Ave third floor, Paramus, NJ 07652
Phone: (201) 472-5698

Starlite Window

Paterson, NJ
4.0
★★★★★
  • 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 Aluminum Window Frames
  • Service icon Fast Delivery
  • Service icon Window Replacement
  • Service icon Custom Window Designs
  • Service icon Residential Windows

Website: http://starlitewindowsandcabinets.com/
Address: 50 E 25th St, Paterson, NJ 07514
Phone: (973) 278-9366

Aluminum Windows

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

Services Offered

  • Service icon Bay Windows
  • Service icon Custom Window Designs
  • Service icon Fast Delivery
  • Service icon Energy-Efficient Options
  • Service icon Residential Windows
  • Service icon Window Replacement
  • Service icon Sliding Glass
  • 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 Services at The Home Depot

Paterson, NJ
3.7
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

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

Website: https://www.homedepot.com/l/Paterson/NJ/Paterson/07514/959/services
Address: 75 McLean Blvd, Paterson, NJ 07514
Phone: (973) 453-5688

Pella Window and Door Showroom of Paramus, NJ

Paramus, NJ
3.7
★★★★★
  • 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 Residential Windows
  • Service icon Custom Window Designs
  • Service icon Stained Glass
  • Service icon Double-Hung
  • Service icon Window Replacement
  • Service icon Commercial Windows
  • Service icon Sliding Glass

Website: https://www.pella.com/locations/nj/paramus/
Address: 483 NJ-17, Paramus, NJ 07652
Phone: (201) 225-1385

Home Windows Replacement & Installation

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

Services Offered

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

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

Adriatic Home Improvement

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

Services Offered

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

Website: http://www.adriatichomepro.com/
Address: 60 Center Ct, Garfield, NJ 07026
Phone: (888) 959-9842

Deluxe Windows & Doors

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

Services Offered

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

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

Casa Blanca General Contractor's Llc

E 1st St, NJ
4.1
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Timely Service
  • Pros icon Good Customer Service

Services Offered

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

Website: http://casablancageneralcontractorsllc.com/
Address: 359East, E 1st St, Clifton, NJ 07011
Phone: (862) 249-0299

A&A Affordable Home Improvement LLC

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

Services Offered

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

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

R & J Window Co

Congers, NY
3.4
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

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

Website: http://www.rjwindows.com/
Address: 7 Garret Ave, Congers, NY 10920
Phone: (845) 735-7602

Simple Home Improvements

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

Services Offered

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

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

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

Switching to energy-efficient windows can improve the comfort of your home and help you save on energy bills. Here's more information on how switching out your windows could benefit you:

  • Save money on energy bills: Once you switch to energy-efficient windows, you can expect a reduction in your bills by about 12% because you'll use less energy to heat or cool your home.
  • Protect your valuables from fading: When you switch to energy-efficient windows that have low-emissivity coatings, your floors, carpets and furniture will be protected from fading due to their ability to filter out harmful UV rays.
  • Protect your investment: Keeping your windows up to date is an important part of maintaining your property and its real estate value, especially if you have an older home.
  • More efficient energy usage in your home: Because the winters can get very cold in Upper Saddle River, homeowners usually depend on their heater during that time. Energy-efficient windows decrease how much heat is lost through your windows, which makes it easier to keep your home warm.

Estimated Cost of Window Replacement in Upper Saddle River

Windows come in various purposes, shapes and styles, so costs and services will differ tremendously depending 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?

The national average cost to replace one window is about $600 but can range anywhere from $200 to $1,200. But prices differ remarkably depending on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window installers also provide door installations, which will make your project cost more.

Whether or not you opt for energy-efficient windows is another factor that will affect the cost. These will typically cost more than other windows, but on the other hand, you can save about $285 a year on your energy bills in Upper Saddle River.

We recommend requesting free quotes from multiple window installers to find the right windows and the company that works best for your budget.

What Services do Window Installers Offer?

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

A full-frame installation is a replacement of the full window. This service involves removing the old window, the windowsill, and the exterior and interior trim. It also involves other materials, such as insulation and drip edges, which increase the total cost of the project. Also worth noting: you may have to touch up the paint around the window after a full-frame installation. Pocket installations (or retrofits) involve installing a new window within its existing frame, which makes pocket installations more simple and affordable. But, if the frame has any rot or deterioration, you should opt for a full-frame installation instead.

Your window installation company should be able to help you figure out what's best for your needs. In Upper Saddle River, the decision will mostly be based on the age of your windows and if there's any moisture damage. Wood can decay if not properly maintained over the years, so it's a good idea to have a professional check on your frames and window sills.

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 Upper Saddle River

In our search to make your home improvements easier and more eco-friendly in Upper Saddle River, EcoWatch chose the above companies as the top window installation companies in the city. We have evaluated the top window installers in Upper Saddle River mainly based on energy efficiency, as it's the most sustainable option and the best one for homeowners. Energy Star certified windows have been shown to reduce your energy bills by hundreds of dollars. Along with energy efficiency, our rating methodology is based on the following factors:

Service Area

This one is self-explanatory, but we've chosen to highlight window installers that serve the Upper Saddle River area so you can find the right window installation company near you.

Work Quality

When it comes to new windows, the quality and variety 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 factor in workmanship as reflected in customer feedback.

Customer Reviews

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

Cost

This one is a give-and-take: as with most services, cheap window installers are not going to provide the most quality service. Still, we want to make sure we're highlighting companies that offer a wide range of price and financing options so they're accessible to most homeowners.

Warranty

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

Years of Experience

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

Upper Saddle River, NJ Window Replacement FAQs

What is the typical cost to install windows?

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 often influenced by the size of the window, the type and material of the window and the location of your property. Also, remember that energy-efficient windows may cost more initially but can save you hundreds of dollars a year in energy bills.

What kind of window is the most energy-efficient?

Generally, double-pane windows are more efficient than single-pane windows and windows that do not open are more efficient than windows that do. If you want to be sure you're getting the most energy-efficient windows, look for models with the blue Energy Star certification attached to them — they're certified energy-efficient by the U.S. Department of Energy.

When do I have to use a window installation company?

You should hire a window installation professional whenever you need to replace your windows. Installing windows is a involved process that can take a lot of time, so it's best left to the professionals.

How long does window installation usually take?

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

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