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

Are you thinking of upgrading your windows? Our guide to the best window installation companies can help you choose the right one for you.

We analyzed all the top-rated window companies in Fanwood 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 eco-friendly energy sources like wind and solar are important when it comes to decreasing your carbon footprint, improving your house's efficiency can also have a considerable impact on home energy conservation. When it's the middle of winter, your outdated and drafty windows could be making your home more difficult to heat and costing you more in power bills.

Installing energy-efficient windows on your house can help you save money every month on your electric bills — and you can help the environment as well.

Efficient windows are particularly important in Fanwood, where the temperature varies throughout the year. According to Energy Star, making the switch to energy-efficient windows can save the average homeowner up to $290 a year.

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 Fanwood

The EcoWatch team examined dozens of installers across the country to find the top window companies for our readers. The providers reviewed in this article scored best in our categories, including energy-efficient offerings, customer service, price, availability 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 Fanwood. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This window installation company has been operating since 1995 and currently serves 200 locations nationwide. Its reputation is backed by hundreds of positive reviews on customer review websites.

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 perfect provider for you.

Energy Efficiency of Window World Windows

Window World is an Energy Star partner and has 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 Window World representative when inquiring about services.

How much does Window World cost in Fanwood?

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. If you’d like more accurate pricing information, you can request 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 has the best availability in Fanwood. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This window installation company has been operating since 1995 and currently serves nearly every state except Mississippi and West Virginia. Its reputation is backed by hundreds of positive reviews on customer review websites.

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, this may be the perfect provider for you.

Energy Efficiency of Renewal by Andersen Windows

Renewal by Andersen is an Energy Star partner and has 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 Fanwood?

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. If you’d like more accurate pricing information, you can request a quote on the company’s website.

Aeroseal Windows logo
FAST QUOTE
as little as 30 seconds
Best for Businesses

Aeroseal Windows

★★★★★
BBB Rating: A+
Locations: Regional
Founded: 1999
Pros:
  • Pros icon 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 been in the window installation business for around 23 years. Its reputation is backed by a considerable amount of positive reviews on customer review websites.

If you’re looking for a company that installs windows and doors at businesses across the Eastern U.S, this may be the perfect provider for you.

Energy Efficiency of Aeroseal Windows Windows

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. Not all of Aeroseal’s windows are Energy Star certified, so make sure you mention that you want Energy Star windows when inquiring.

How much does Aeroseal Windows cost in Fanwood?

Even though prices are not readily available on Aeroseal’s website, it provides high-quality windows at a competitive price point. For more accurate information on pricing, you can receive a quote from the company.

Universal Windows Direct logo
FAST QUOTE
as little as 30 seconds
Best Warranty

Universal Windows Direct

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 2002
Pros:
  • Pros icon Makes charitable contributions
  • Pros icon Manufactures products in-house
  • Pros icon Wide variety of products and services
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Limited service area
  • Pros icon Some installations carried out by third-party contractors
  • Pros icon Quality of service will depend on your area

Universal Windows Direct provides the best warranty in Fanwood. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has about 20 years of experience in the industry, and it currently provides services to 27 states nationwide.

You may want to consider going with Universal if you're looking for a company that has an industry-leading warranty covering products, parts and workmanship for life.

Energy Efficiency of Universal Windows Direct Windows

The company offers energy-efficient UniShield brand windows. According to its website, UniShield window packages have higher gas fill rates and longer gas retention than most other brands on the market, and they are Energy Star products. Not all of Universal’s offerings are Energy Star certified, so be sure to mention that you’re interested in Energy Star windows when inquiring.

How much does Universal Windows Direct cost in Fanwood?

Prices aren’t mentioned on Universal’s 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. If you’d like more accurate pricing information, you can ask for a quote on the company’s website.

We've recommended companies with good reputations, but keep in mind these are national companies, so the quality of service may depend on your local crew. We have tried to stay unbiased and transparent by mentioning pros and cons for every company reviewed.

More Window Companies in Fanwood

Renewal by Andersen of NJ/NY Metro

Cranford, NJ
4.4
★★★★★
  • 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 Residential Windows
  • Service icon Commercial Windows
  • Service icon Sliding Glass
  • Service icon Stained Glass
  • Service icon Window Replacement
  • Service icon Custom Window Designs
  • Service icon Glass Showers

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 Jersey Coast

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

Services Offered

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

Website: https://www.jerseycoastwindows.com/
Address: 27 Northfield Ave, Edison, NJ 08837
Phone: (732) 417-5700

Windows & Doors By The Men With Tools

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

Services Offered

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

Website: https://www.themenwithtools.com/
Address: 444 Springfield Ave, Summit, NJ 07901
Phone: (908) 224-7997

Essex Replacement Doors-Windows

Scotch Plains, NJ
4.3
★★★★★
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

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

Website: https://essexdoorandwindow.com/
Address: 346 Park Ave A, Scotch Plains, NJ 07076
Phone: (973) 743-8603

NJ Pro Roofing and Painting LLC

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

Services Offered

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

Website: https://njproroofingllc.com/
Address: 985 Roosevelt Ave, Union, NJ 07083
Phone: (908) 477-7667

ARDMOR Windows & Doors

Edison, NJ
4.3
★★★★★
  • Pros icon Timely Service
  • 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 Sliding Glass
  • Service icon Residential Windows
  • Service icon Double-Hung
  • Service icon Window Repair
  • Service icon Window Replacement

Website: https://www.ardmorwindows.com/
Address: 22 Meridian Rd UNIT 18, Edison, NJ 08820
Phone: (347) 443-8786

Royal Prime Windows

Kenilworth, NJ
4.3
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

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

Website: https://www.royalprime.com/
Address: 742 Fairfield Ave, Kenilworth, NJ 07033
Phone: (800) 354-0076

Universal Windows Direct of New Jersey

Fords, NJ
4.3
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

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

Website: https://www.universalwindowsnj.com/
Address: 556 New Brunswick Ave, Fords, NJ 08863
Phone: (732) 738-1500

Nunez Home Improvement, LLC

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

Services Offered

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

Website: https://www.nunezhomepro.com/
Address: 344 Vine St, Elizabeth, NJ 07202
Phone: (973) 518-0612

Window King Of New Jersey / Window Replacement And Installation

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

Services Offered

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

Website: http://windowking.biz/
Address: 500 Morris Ave Unit 116, Springfield, NJ 07081
Phone: (609) 534-7736

National Home Improvements

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

Services Offered

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

Website: http://www.nhi-contractors-nj.com/
Address: 534 Kenilworth Blvd, Kenilworth, NJ 07033
Phone: (908) 307-1031

Home Genius Exteriors

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

Services Offered

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

Website: https://homegeniusexteriors.com/new-jersey/
Address: 347 Elizabeth Ave Suite 205, Somerset, NJ 08873
Phone: (732) 624-6442

Nestify Home

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

Services Offered

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

Website: http://nestifyhome.com/
Address: 33 S Wood Ave Suite 600, Iselin, NJ 08830
Phone: (800) 964-7065

Elite Roofing Solutions LLC

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

Services Offered

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

Website: http://njtrustedroofers.com/
Address: 1015A Main St, Woodbridge Township, NJ 08863
Phone: (908) 338-0782

Window & Door Outlet Inc

Edison, NJ
4.1
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

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

Website: http://windowdooroutlet.com/
Address: 2171 Woodbridge Ave, Edison, NJ 08817
Phone: (732) 393-1008

Basking Ridge Glass and Mirror

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

Services Offered

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

Website: http://www.baskingridgeglass.com/
Address: 37 S Finley Ave, Basking Ridge, NJ 07920
Phone: (908) 766-9199

Madison Door

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

Services Offered

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

Website: https://www.madisondoor.com/
Address: 297 Main St, Madison, NJ 07940
Phone: (973) 822-1693

Levial USA LLC

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

Services Offered

  • Service icon Fast Delivery
  • Service icon Window Replacement
  • Service icon Double-Hung
  • Service icon Glass Showers
  • Service icon Sliding Glass
  • Service icon Aluminum Window Frames
  • Service icon Custom Window Designs

Website: http://levialusa.llc/
Address: 956-E1, Sherman Ave, Elizabeth, NJ 07208
Phone: (908) 352-2484

CKG Contractors Inc Roofing-Siding-Windows Andersen Certified, GAF Authorized.

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

Services Offered

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

Website: http://ckgcontractors.com/
Address: 57 Montrose Ave, Summit, NJ 07901
Phone: (973) 599-0811

Quality Roofing Windows & Siding Millburn

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

Services Offered

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

Website: https://qualityroofingsidingwindows.com/roofing-windows-and-siding-Millburn-nj/
Address: 26 Whittingham Terrace, Millburn, NJ 07041
Phone: (973) 963-2994
Fanwood Window Cost Calculator

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

Energy-efficient windows can provide benefits in several ways. Here are some reasons you may want to consider making the switch:

  • Better temperature control in your home: Energy-efficient windows can reduce the amount of heat lost through your windows when heating your home.
  • Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which filter out damaging UV rays, preventing fading of your furniture, carpet and other valuables.
  • Reduce your carbon footprint: Since energy-efficient windows improve the insulation in your home, you can lower your indirect greenhouse gas emissions by about 12%, according to Energy Star.
  • Protect your investment: The older your home is, the more likely it is that switching to energy-efficient windows will benefit you. Older homes tend to have windows that are outdated, drafty or potentially even damaged in some way. Updating your windows could help increase the value of your home if you decide to sell.

Estimated Cost of Window Replacement in Fanwood

When researching window installation, each company offers varying services and costs. Let's take a look at some average costs and services.

How Much Do New Windows Cost?

Although the typical of replacing one window is around $600, it can range from $200 to $1,200. But prices differ considerably depending on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window companies also provide door replacements, which carry a higher price tag.

It's also worth noting that energy-efficient windows will almost always cost more upfront, but Energy Star predicts that switching out the windows on your Fanwood home translates to an average energy savings of $236 to $319 a year for single-pane window replacement, or between $87 to $126 a year for double-pane windows. The amount of money you'll save by installing energy-efficient windows varies based on your local climate, energy rates and other factors unique to your home.

Another factor that affects the overall 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, as they are aesthetically pleasing and offer decent insulation. Fiberglass and vinyl frames provide good insulation as well and cost somewhere between the other two.

What Services do Window Installers Offer?

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

A full-frame installation replaces the complete window, including the windowsill, frame, trim and the window panes. Because this kind of installation requires more time, it will be more expensive than a pocket installation. A pocket installation involves replacing a window within the existing frame, which is generally cheaper than a full-frame installation.

Your window installation company should be able to help you understand what's best for your needs. In Fanwood, the decision will mostly be based on the age of your windows and if there's any damage. Wood can decay if it's not maintained properly over the years, so it's good 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 Fanwood

In our hunt to find the most reliable, eco-friendly window installers in Fanwood, EcoWatch evaluated many companies before landing on these. Along with energy efficiency, we analyzed window companies all across the state and assigned rankings based on the following methodology:

Service Area

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

Work Quality

We're willing to bet that you're not looking for a company to do a shoddy job installing windows. We've vetted each company on this list to make sure its contractors are well-qualified and that the company has gotten lots of positive customer feedback to vouch for its service.

Customer Reviews

We analyzed patterns in recent customer feedback to determine the companies with the most consistent customer satisfaction, weighted by sample size. Customer satisfaction may be the most important factor, as it indicates the quality of services across nearly every category, including cost, quality of parts, professionalism, warranty, quality of installation and more.

Cost

This one is a give-and-take: similar to most services, cheap window installers may not provide the highest 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, windows are a significant investment, so you'll want to be certain that investment is well 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 experience earn higher rankings by our standards. We like to see at least ten years of experience.

Fanwood, NJ Window Replacement FAQs

What is the typical cost to replace windows?

The national average cost to install a single window is around $600 but can range between $200 and $1,200, depending on several factors. The price is typically influenced by the size of the window, the location of your property 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 kind of window is the best?

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

Do I really need to use a window installation company?

You should hire a window installation company whenever you want new windows. Installing windows is a complex process that can be difficult to do on your own, so it's best handled by the professionals.

What time of year should I replace my windows?

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

Should I replace my windows all at the same time?

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

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