20 Best Window Companies in Glen Rock, NJ (2023 Reviews)

If you're thinking of upgrading to new windows, our guide to the best window installation companies can help.

We analyzed all the top-rated window companies in Glen Rock 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 Glen Rock. When it's the middle of winter, your outdated and drafty windows could be making your home more difficult to heat and costing you more in power bills.

Replacement windows improve your home's insulation, not only making you and your family more comfortable during the summer and winter, but also saving you money and helping the environment.

We've put together this 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 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 Glen Rock

The EcoWatch Reviews team evaluated dozens of installers across the country to find the best window companies for our readers. We assessed the companies on energy-efficient offerings, customer service, coverage area, local experience, price 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 Glen Rock. This company has been in business since 1995 and currently provides services to 200 locations nationwide. Hundreds of positive reviews on customer review websites back the provider's reputation.

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 right provider 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’d like Energy Star windows when inquiring.

How much does Window World cost in Glen Rock?

Window World doesn’t have any pricing information available on its website, but it's known for offering some of the most affordable window installations around. You can ask for a free quote on its website for more information about pricing.

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 Glen Rock. This company has been in business since 1995 and currently provides services to nearly every state except Mississippi and West Virginia. Hundreds of 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

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 make sure you mention that you’d like Energy Star windows when inquiring.

How much does Renewal by Andersen cost in Glen Rock?

Andersen doesn’t have any pricing information available 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. You can ask for a free quote on its website for more information about pricing.

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 Glen Rock. It's 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 window installation company has been operating since 1999 and currently services 13 states and Washington D.C.

Aeroseal may be the company for you if you want one that installs windows and doors at businesses across the Eastern U.S.

Energy Efficiency of Aeroseal Windows Windows

Aeroseal Windows has some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to ask for high-quality Energy Star windows when inquiring. 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 Glen Rock?

Aeroseal does not display prices on its website, but it provides high-quality windows at a competitive price point. Getting a free quote on its website is the best way to get more accurate information.

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 Glen Rock. This company has been in business since 2002 and currently provides services to 27 states nationwide. Hundreds of 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

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 make sure you mention that you’d like Energy Star windows when inquiring.

How much does Universal Windows Direct cost in Glen Rock?

Universal doesn’t have any pricing information 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 ask for a free quote on its website for more information about pricing.

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

More Window Companies in Glen Rock

Renewal by Andersen of NJ/NY Metro

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

Services Offered

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

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 Educational Website
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

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

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 Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

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

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

PJ Fitzpatrick

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

Services Offered

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

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 Good Customer Service
  • Pros icon Price Transparency

Services Offered

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

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

Glass Doctor of Ramsey

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

Services Offered

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

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 Timely Service
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

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

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

Donny's Home Improvement

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

Services Offered

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

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

iHome Designs

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

Services Offered

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

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

A&A Affordable Home Improvement LLC

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

Services Offered

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

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

Aspen Home Remodeling, LLC.

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

Services Offered

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

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

New America Construction

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

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

Aluminum Windows

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

Services Offered

  • Service icon Sliding Glass
  • Service icon Window Replacement
  • Service icon Fast Delivery
  • Service icon Custom Window Designs
  • Service icon Bay Windows
  • Service icon Energy-Efficient Options
  • Service icon Residential Windows
  • 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 Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

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

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

Simple Home Improvements

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

Services Offered

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

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 Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

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

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

Tri-State Window and Siding

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

Services Offered

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

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

Casa Blanca General Contractor's Llc

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

Services Offered

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

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

Adriatic Home Improvement

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

Services Offered

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

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

ARDMOR Windows & Doors

Wallington, NJ
4.1
★★★★★
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

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

Website: https://www.ardmorwindows.com/
Address: 25 Locust Ave, Wallington, NJ 07057
Phone: (973) 447-1174
Glen Rock Window Cost Calculator

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

There are several perks of upgrading to energy-efficient windows. A few reasons you may want to consider making the switch include the following:

  • Better temperature control in your home: When you reside in a place like Glen Rock where the winters can get very cold, you often have to depend on your heater to keep your house warm. Energy-efficient windows can cut back on the amount of heat lost through your windows when heating your home.
  • Save money on power bills: Upgrading to energy-efficient windows reduces your energy bills by about 12% since you need less energy.
  • 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 your furniture, carpet and other valuables from fading.
  • Protect your investment: If you have a relatively old home, your windows are most likely outdated. Updating your windows can make your home more comfortable and also help increase the value of your home if you decide to sell.

Estimated Cost of Window Replacement in Glen Rock

Windows come in different shapes, styles and purposes, so costs and services will differ greatly depending on your project. Below, we go over the typical cost and services that you can get from window installers.

How Much Do New Windows Cost?

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

Bear in mind that energy-efficient windows may have a higher price, but Energy Star predicts the upgrade will save you between $101 and $583 a year when you install single-pane windows and between $27 and $197 a year when you install double-pane, clear glass windows. These savings vary depending on your local climate, energy rates and individual home characteristics.

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

What Services do Window Installers Offer?

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

Full-frame installations involve replacing the full window, including the frame, sill and trim. You most likely need a full-frame installation when you want a new style or your window has significant damage or rot. Because full-frame installations are more involved, they will raise the overall cost. Pocket installations are simpler and won't carry as large a bill because they entail simply replacing the window within its existing frame. But if the frame has any damage, you may need a full-frame installation instead.

Your window installation company will be able to advise you on the best type for your project. In Glen Rock, the choice will mostly be influenced by how much damage there is currently and the age and condition of your existing frames.

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 Glen Rock

EcoWatch is different from most reviewers, as we're examining these companies through a sustainability lens. Along with energy efficiency, we assessed window companies all across the state and ranked them based on the following methodology:

Service Area

Because this is a guide for Glen Rock, we paid more attention to 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 Glen Rock.

Work Quality

When selecting new windows, the quality and variety of services often plays just as important of a role in overall efficiency and performance as the type 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

Another self-explanatory yet very important review factor is customer feedback. If the majority of customers don't have positive feedback about their service from a certain 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 want to keep costs low when possible. When analyzing providers' prices, we gave higher scores to companies with reasonable prices and accessible financing rather than "cheaper" services.

Warranty

As discussed, windows are a sizable investment, so you'll want to be certain that investment is protected. Window installation companies that give you 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 quite some time. Window installers that have more years of experience earn higher rankings by our standards. We like to see at least ten years of experience.

Glen Rock, NJ Window Replacement FAQs

What is the typical cost to install new windows in a home?

The typical cost of installing a window can range between $450 and $650. There are several factors that affect how much it costs, such as the materials used in designing the windows, your property's location, local labor costs, how energy-efficient the windows are, the number of windows and styles and sizes of windows.

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 typically the most energy-efficient and are certified by the U.S. Department of Energy.

When should I use a window installation company?

Unless you're handy and have the time to replace your own windows, we recommend hiring a professional. The process of installing windows is complex and can take anywhere from four to six hours for a single window. Although it's tempting to try to do it yourself to save money, hiring a professional is a faster, more efficient and much safer alternative.

Should I replace my windows all at once?

If your windows are more than 20 years old, it's most likely time to replace all of them. By that point, they are often less efficient, leakier and/or more damaged than new windows. Doing your windows all at once will involve less paperwork and less stress.

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