20 Best Window Companies in Washington, PA (2024 Reviews)

Thinking about replacing your windows? We’ve got all the information you need in this guide to the best window installation companies.

We analyzed all the top-rated window companies in Washington 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 January 24, 2025

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.

A guide on the top window installation companies in Washington may not seem like the most riveting article on EcoWatch, but trust us, windows have more of an impact on your life than you might realize. Drafty or leaky windows can make your home uncomfortable in the summer or winter.

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

Efficient windows are especially important in Washington, 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 $304 each year.

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Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great Industry Reputation
  • Award-winning Company
  • Member of US Green Building Council
  • Manufactures products in-house
Save $375 Off Each Window
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

Best Window Installation & Replacement Companies in Washington

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

Window World logo
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 is the largest window replacement company in the country, known for its vinyl windows and affordability. This company has been in business since 1995 and currently services 200 locations nationwide.

Window World may be the company for you if you're interested in one 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 windows are Energy Star certified, so be sure to mention that you’d like Energy Star windows when inquiring.

How much does Window World cost in Washington?

Though prices are not available on Window World’s website, it's known for offering some of the most affordable window installations around. The best way to get more accurate pricing information is to request a free quote from the company.

Renewal by Andersen logo
Best Overall

Renewal by Andersen

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Great industry reputation
  • Pros icon Award-winning company
  • Pros icon Member of US Green Building Council
  • Pros icon Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty
  • Pros icon More expensive than competition

Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This company has been in business since 1995 and currently services nearly every state except Mississippi and West Virginia.

Andersen may be the company for you if you're interested in one 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 windows are Energy Star certified, so be sure to mention that you’d like Energy Star windows when inquiring.

How much does Renewal by Andersen cost in Washington?

Though prices are 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 request a free quote from the company.

Aeroseal Windows logo
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 services 13 states and Washington D.C.

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

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

How much does Aeroseal Windows cost in Washington?

Though prices are not available on Aeroseal’s website, it provides high-quality windows at a competitive price point. The best way to get more accurate pricing information is to request a free quote from the company.

Window Nation logo
Best for Residential Windows

Window Nation

★★★★★
BBB Rating: A
Locations: Regional
Founded: 2006
Pros:
  • Pros icon Award-winning company
  • Pros icon Manufactures products in-house
  • Pros icon Custom designs
  • Pros icon Wide variety of products and services
Cons:
  • Pros icon Installation not covered by warranty
  • Pros icon Limited service area

Window Nation is a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. This company has been in business since 2006 and currently services residents within 75 miles of its showrooms, which are in 13 states.

Window Nation may be the company for you if you're interested in one that gives customers the opportunity to view products and to speak to a representative in person in its showrooms.

Energy Efficiency of Window Nation Windows

Each product has windowpanes coated with a Low-E (low emissivity) glaze that prevents damaging UV rays from heating your home. Plus, the spaces between double- and triple-pane windows are filled with argon gas that’s been proven to improve home insulation. Not all of Window Nation’s windows are Energy Star certified, so be sure to mention that you’d like Energy Star windows when inquiring.

How much does Window Nation cost in Washington?

Though prices are not available on Window Nation’s website, based on customer feedback, you can expect to pay between $300 and $525 per window installed, making it a more affordable option compared to competitors. The best way to get more accurate pricing information is to request a free quote from the company.

We try to stay unbiased and transparent by listing pros and cons for every company we review. Additionally, our rankings are not affected by any partnerships.

More Window Companies in Washington

Renewal by Andersen of the Capital Region

North Bethesda, MD
4.9
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

  • Service icon Bay Windows
  • Service icon Window Replacement/Installation
  • Service icon Skylights
  • Service icon Glass Doors
  • Service icon Double-Hung

Website: https://www.renewalbyandersen.com/window-company/085-capital-region/about-us
Address: 5081 Nicholson Ln, North Bethesda, MD 20852
Phone: (301) 816-3221

Window Nation

Mechanicsburg, PA
4.6
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Double-Hung
  • Service icon Energy-Efficient Options
  • Service icon Glass Doors
  • Service icon Custom Window Designs
  • Service icon Window Replacement/Installation
  • Service icon Bay Windows

Website: https://www.windownation.com/harrisburg-showroom/
Address: 381 Independence Ave Suite 104, Mechanicsburg, PA 17055
Phone: (717) 230-1080

Replacement Windows and Doors-Homerite Waynesboro

Waynesboro, PA
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Doors
  • Service icon Window Replacement/Installation
  • Service icon Glass Repair
  • Service icon Energy-Efficient Options

Website: http://www.homeritewaynesboro.com/
Address: 700 S. Potomac St *SHOWROOM 12-4. CALL ANYTIME*, Waynesboro, PA 17268
Phone: (717) 749-4874

American Awnings and Replacement Windows

Chambersburg, PA
5.0
★★★★★
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation

Website: https://www.american-awnings.com/
Address: 791 Fern Ln, Chambersburg, PA 17202
Phone: (717) 532-9098

Milcon Design & Build

Waterford, VA
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Glass Doors

Website: http://milcondesignandbuild.com/
Address: 40413 Stonebrook Hamlet Pl, Waterford, VA 20197
Phone: (703) 581-2761

HomeRite

Mechanicsburg, PA
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Double-Hung
  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options
  • Service icon Tempered Glass

Website: https://www.homeriteharrisburg.com/
Address: 5270 E Trindle Rd, Mechanicsburg, PA 17050
Phone: (717) 987-6591

C2 Operations

Leesburg, VA
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Double-Hung

Website: https://c2operations.com/
Address: 18 Sycolin Rd SE, Leesburg, VA 20175
Phone: (703) 651-6677

Susquehanna Valley Door and Window

York, PA
5.0
★★★★★
  • 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 Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Energy-Efficient Options

Website: https://svdoorandwindow.com/
Address: 701 N George St, York, PA 17404
Phone: (717) 781-8087

Garrety Glass - Betterliving Sunrooms

Cockeysville, MD
5.0
★★★★★
  • Pros icon Timely Service
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Custom Glass
  • Service icon Glass Doors
  • Service icon Glass Showers
  • Service icon Mirrors
  • Service icon Glass Repair
  • Service icon Bay Windows

Website: https://garretyglass.com/
Address: 11309 York Rd, Cockeysville, MD 21030
Phone: (443) 873-0700

AC Matthews, Roofing & Exteriors

Towson, MD
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon High-quality materials
  • Pros icon Free assessment
  • Pros icon Energy-efficient windows
  • Pros icon Price Transparency
  • Pros icon All-inclusive repair and maintenance

Services Offered

  • Service icon Window Replacement/Installation

Website: https://acmatthews.com/towson/
Address: 120 Beech View Ct, Towson, MD 21286
Phone: (410) 324-2210

KELEMER BROTHERS REPLACEMENT WINDOWS

Silver Spring, MD
5.0
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation

Website: http://www.kelemerbrothers.com/
Address: 10822 Childs Ct, Silver Spring, MD 20901
Phone: (410) 299-0038

Tri County Windows and Siding

Vienna, VA
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Doors
  • Service icon Bay Windows
  • Service icon Skylights
  • Service icon Double-Hung
  • Service icon Custom Window Designs
  • Service icon Window Replacement/Installation

Website: http://www.tricountywindowsva.com/
Address: 200 Lawyers Rd NW #1629, Vienna, VA 22183
Phone: (703) 472-6330

Glass & Mirror Services, Inc.

Frederick, MD
4.9
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation
  • Service icon Custom Glass
  • Service icon Metal Frames
  • Service icon Glass Showers
  • Service icon Mirrors
  • Service icon Glass Repair

Website: http://www.glassandmirrorservices.com/
Address: 5740 Industry Ln, Frederick, MD 21704
Phone: (301) 662-0026

B T Window & Doors LLC

Sykesville, MD
4.9
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options
  • Service icon Glass Doors
  • Service icon Custom Window Designs
  • Service icon Bay Windows

Website: https://www.btwindowanddoors.com/
Address: 4310 Jefferson Ave, Sykesville, MD 21784
Phone: (410) 336-1945

MDVA Windows

Clarksburg, MD
4.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Doors
  • Service icon Window Replacement/Installation
  • Service icon Window Repair

Website: http://www.mdvawindows.com/
Address: 12828 Clarksburg Square Rd UNIT 304, Clarksburg, MD 20871
Phone: (240) 887-2908

Potomac View Energy

Sykesville, MD
4.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Timely Service

Services Offered

  • Service icon Vinyl Frames
  • Service icon Bay Windows
  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options
  • Service icon Double-Hung
  • Service icon Custom Window Designs
  • Service icon Glass Doors
  • Service icon Wood Frames

Website: https://potomacviewenergy.com/
Address: 7520 Main St #201, Sykesville, MD 21784
Phone: (443) 881-8538

Grand Opening Windows & Doors

New Kingstown, PA
4.9
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Bay Windows
  • Service icon Glass Doors
  • Service icon Double-Hung
  • Service icon Custom Window Designs

Website: https://www.grandopeningwindows.com/
Address: 31 E Main St, New Kingstown, PA 17072
Phone: (717) 691-5670

Tri-State Screens

Purcellville, VA
4.9
★★★★★
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: http://www.tristatescreens.com/
Address: 104 N Bailey Ln, Purcellville, VA 20132
Phone: (540) 751-1269

Glass Doctor of Mechanicsburg, PA

Mechanicsburg, PA
4.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Repair
  • Service icon Glass Doors
  • Service icon Window Repair
  • Service icon Window Replacement/Installation
  • Service icon Glass Showers
  • Service icon Custom Glass
  • Service icon Mirrors
  • Service icon Energy-Efficient Options

Website: https://glassdoctor.com/mechanicsburg-pa
Address: 5270 E Trindle Rd, Mechanicsburg, PA 17050
Phone: (717) 766-6262

Pella Windows & Doors of Gaithersburg

Gaithersburg, MD
4.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

  • Service icon Glass Doors
  • Service icon Window Replacement/Installation
  • Service icon Double-Hung
  • Service icon Wood Frames

Website: http://www.pellabranch.com/washington-dc/showrooms/gaithersburg
Address: 202 Perry Pkwy Suite 6, Gaithersburg, MD 20877
Phone: (202) 810-6722
Washington Window Cost Calculator

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

There are quite a few benefits of switching to energy-efficient windows. Some reasons you may want to consider making the switch are the following:

  • Reduce your carbon footprint: Decreasing the amount of energy you use also lowers your carbon emissions. You could reduce it by 286 pounds per year on average.
  • Protect your valuables: Many energy-efficient 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: Upgrading and repairing your windows is an important part of maintaining your property and its value, particularly if you have an older home.
  • Save money on energy bills: After you switch to energy-efficient windows, you can see a reduction in your bills by about 12% because you’ll use less energy to heat or cool your home.

Estimated Cost of Window Replacement in Washington

Each window replacement company provides various services and has varying prices based on a few factors.

How Much Do New Windows Cost?

Generally, homeowners in Washington can anticipate that most window installations will cost between $250 and $1,200, with the average cost at about $600. But costs vary remarkably 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 offer door installations, which will make your project cost more.

Whether or not you pick energy-efficient windows is another factor that will determine the cost. These will usually cost more than other windows, but on the other hand, you can save about $304 a year on your energy bills in Washington.

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

What Services do Window Installers Offer?

The first step when planning a window installation is to clarify whether you need a full-frame or pocket installation.

A full-frame installation is a replacement of the total window. This service involves removing the old window, the sill, and the exterior and interior trim. It also involves additional materials, such as insulation and drip edges, which increase the overall cost of the project. It’s also worth noting that 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 will likely need a full-frame installation instead.

Your window installer can help you choose which type of installation you should get.

Advertisement

Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great Industry Reputation
  • Award-winning Company
  • Member of US Green Building Council
  • Manufactures products in-house
Save $375 Off Each Window
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

How We Choose the Best Window Installers in Washington

The EcoWatch Reviews team differs from other reviewers, as we examine these companies through a sustainability lens. We’ve evaluated the best window installers in Washington mainly based on energy efficiency, as it’s what’s best for the environment and for you as a homeowner. Energy Star certified windows have been shown to cut your power bills by hundreds of dollars. Along with energy efficiency, our rating methodology is based on the following factors:

Service Area

Since this is a guide for Washington, we only included companies that provide services to the city. There are other reputable providers that didn’t make the list because they wouldn’t be able to serve homeowners in Washington.

Work Quality

We’re certain that you’re looking for professionals who do a great job installing windows. We’ve vetted each company featured in our guide to make sure its technicians are well-qualified and that the company has received lots of positive customer feedback to vouch for its service.

Customer Reviews

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

Cost

Cheaper windows don’t necessarily mean better windows, but we know many of our readers would like to keep costs low when possible. When analyzing providers’ prices, we awarded higher points to companies with reasonable prices and accessible financing rather than “cheaper” services.

Warranty

As discussed, windows are a hefty investment, so you’ll want to make sure that investment is well protected. Window installation companies that have lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

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

Washington, PA Window Replacement FAQs

What is the average cost to replace windows in a home?

The national average cost of installing one window is around $600 but can range from $200 to $1,200, based on several factors. The price is usually influenced by the type and material of the window, the size of the window and the location of your property. Also, keep in mind that energy-efficient windows may cost more initially but can save you hundreds of dollars a year in energy bills.

What are the most common types of replacement windows?

The most common kinds of windows for homes are casement windows, double-hung and single-hung windows, slider windows, transom windows, bay windows, picture windows and awning windows.

Can you install your own windows?

Although you can install your own windows, doing so requires a lot of time and handiness. Using a window installation company can help ensure that the job is done properly and that you won’t have to spend the time and effort to do it yourself.

How long does window installation usually take?

Each window takes about 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.