22 Best Window Replacement Companies in South Middleton, PA (Jan 2023)
Window Companies Near Me

If you're looking to get new windows, our list of the best window installation companies can help.

We analyzed all the top window installers in South Middleton and selected the top 22 based on:

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

By EcoWatch Local Advisors

Updated January 12, 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.

A guide on the best window installation companies in South Middleton may not seem like the most interesting article on the EcoWatch site, but trust us, windows impact your life more than you might think. If your windows are made of traditional materials, or are outdated or damaged, you could be sending 25-30% of your home's heat or cool air out of them.

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

Efficient windows are particularly important in South Middleton, 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 a year.

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Member of US Green Building Council
  • Manufactures products in-house
  • Award-winning company
  • No lifetime warranty

Best Affordability

Window World

★★★★★
4.5

  • Great industry reputation
  • Lifetime warranty
  • EnergyStar Partner
  • Quality of service will depend on your area

Best for Businesses

Aeroseal Windows

★★★★★
4

  • Manufactures products in-house
  • Great industry reputation
  • Custom Designs
  • Not ideal for residential installations

Best Window Replacement Companies in South Middleton

The EcoWatch Reviews team examined dozens of window companies in South Middleton to find the top ones for our readers. We assessed the providers on energy-efficient offerings, customer service, price, local experience, coverage area and more.

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 Member of US Green Building Council
  • Pros icon Manufactures products in-house
  • Pros icon Award-winning company
Cons:
  • Pros icon No lifetime warranty

Renewal by Andersen has the best availability in South Middleton. This window installation company has been operating since 1995 and currently services nearly every state except Mississippi and West Virginia. The company has hundreds of glowing reviews from customers online.

It 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

Renewal by Andersen 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 be sure to ask your Andersen representative when inquiring about services.

How much does Renewal by Andersen cost in South Middleton?

Prices aren't displayed on Andersen's 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.

Window World logo
FAST QUOTE
as little as 30 seconds
Best Affordability

Window World

★★★★★
BBB Rating: A+
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Great industry reputation
  • Pros icon Lifetime warranty
  • Pros icon EnergyStar Partner
Cons:
  • Pros icon Quality of service will depend on your area

Window World provides windows expertise in South Middleton. It's 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 provides services to 200 locations nationwide. Hundreds of positive reviews from customers online back the company's reputation.

You may want to consider opting for Window World if you're interested in a company that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.

Energy Efficiency of Window World Windows

Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home. Not all of Window World's windows 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 South Middleton?

Window World does not list prices on its website, but it's known for offering some of the most affordable window installations around. If you'd like to know for sure, you can inquire about 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 Manufactures products in-house
  • Pros icon Great industry reputation
  • Pros icon Custom Designs
Cons:
  • 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

Aeroseal Windows' commitment to sustainability can be seen 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 South Middleton?

While prices are not readily available on Aeroseal's website, it provides high-quality windows at a competitive price point. For more detailed 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 is a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. This window installation company has been operating since 2002 and currently serves 27 states nationwide. Many positive reviews on customer review websites back the company's reputation.

It has established itself as 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 windows are Energy Star certified, so make sure you mention that you're interested in Energy Star windows when inquiring.

How much does Universal Windows Direct cost in South Middleton?

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. The best way to get more accurate pricing information is to request a free quote from the company.

Window Nation logo
FAST QUOTE
as little as 30 seconds
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 offers the best residential windows in South Middleton. Window Nation has been in the window business for about 16 years. The company has a lot of positive reviews from customers online.

It has established itself as a company 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 make sure you mention that you want Energy Star windows when inquiring.

How much does Window Nation cost in South Middleton?

Window Nation does not outline prices on its website, but 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. For more detailed information on pricing, you can request a quote from the company.

We strive to stay unbiased and transparent by describing pros and cons for every company we review. Additionally, our rankings are not influenced by any partnerships.

More Window Replacement Companies in South Middleton

PJ Fitzpatrick

Harrisburg, PA
4.1
★★★★★
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Award-Winning
  • Pros icon Educational Website

Services Offered

  • Service icon Glass Showers
  • Service icon Architectural Glass
  • Service icon Custom Window Designs
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://www.pjfitz.com/
Address: 6380 Flank Dr #600, Harrisburg, PA 17112
Phone: (866) 909-7624

Renewal by Andersen of Central Pennsylvania

Mechanicsburg, PA
4.1
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon Charitable Giving
  • Pros icon Consistent Workmanship
  • Pros icon Excellent Customer Service

Services Offered

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

Website: https://www.rbacentralpa.com/
Address: 4856 Carlisle Pike, Mechanicsburg, PA 17050
Phone: (717) 591-4900

TC Backer Construction, LLC

Dover, PA
4.0
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon Educational Website
  • Pros icon No-Hassle Pricing
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Business Windows
  • Service icon Double-Hung
  • Service icon Stained Glass

Website: http://321gutterdone.com/
Address: 1550 E Canal Rd, Dover, PA 17315
Phone: (717) 949-7673

REDDCO Inc.

Lewisberry, PA
3.7
★★★★★
  • Pros icon Free Quotes
  • Pros icon Price Transparency
  • Pros icon Helps Educate Customers
  • Pros icon Dependable Service

Services Offered

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

Website: http://www.redi-exit.com/
Address: 240 Pleasant Hill Rd ste b, Lewisberry, PA 17339
Phone: (866) 966-1989

Infinity from Marvin - Homespire Windows & Doors

New Cumberland, PA
3.6
★★★★★
  • Pros icon Excellent Customer Service
  • Pros icon Free Quotes
  • Pros icon Arrives on Time
  • Pros icon Consistent Workmanship

Services Offered

  • Service icon Custom Windows
  • Service icon Residential Windows
  • Service icon Sliding Glass
  • Service icon Double-Hung

Website: https://homespireforlife.com/service-areas/harrisburg-pa/
Address: 2 Laurel Rd, New Cumberland, PA 17070
Phone: (866) 558-2734

Window Nation

Camp Hill, PA
3.6
★★★★★
  • Pros icon Consistent Workmanship
  • Pros icon Locally Recognized for Quality
  • Pros icon Educational Website
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Sliding Glass
  • Service icon Custom Window Designs
  • Service icon Energy-Efficient Options
  • Service icon Double-Hung

Website: https://www.windownation.com/harrisburg-showroom/
Address: Camp Hill, PA
Phone: (717) 230-1080

Window World of Central PA

York, PA
3.6
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon Excellent Customer Service
  • Pros icon No-Hassle Pricing
  • Pros icon Helps Educate Customers

Services Offered

  • Service icon Custom Windows
  • Service icon Sliding Glass
  • Service icon Commercial Windows
  • Service icon Double-Hung

Website: https://www.windowworldpa.com/
Address: 4370 W Market St, York, PA 17408
Phone: (717) 792-2322

American Home Contractors

Hanover, PA
3.6
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon Dependable Service
  • Pros icon Helps Educate Customers
  • Pros icon No-Hassle Pricing

Services Offered

  • Service icon Doors
  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows

Website: http://www.americanhomecontractors.com/
Address: 1225 Carlisle St, Hanover, PA 17331
Phone: (717) 546-7663

Window World of Central PA

Elizabethtown, PA
3.6
★★★★★
  • Pros icon Good Customer Service
  • Pros icon No-fee Quotes
  • Pros icon Dependable Service
  • Pros icon Educational Website

Services Offered

  • Service icon Custom Window Designs
  • Service icon Sliding Glass
  • Service icon Commercial Windows
  • Service icon Double-Hung

Website: https://www.windowworldpa.com/
Address: 219 N Market St, Elizabethtown, PA 17022
Phone: (717) 394-9401

Hershocks Inc

Harrisburg, PA
3.3
★★★★★
  • Pros icon Timely Service
  • Pros icon Excellent Customer Service
  • Pros icon No-fee Quotes
  • Pros icon Reliable Service

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Doors
  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Business Windows

Website: http://www.hershocks.com/
Address: 3501 N 6th St, Harrisburg, PA 17110
Phone: (717) 238-7331

American Awnings and Replacement Windows

Shippensburg, PA
3.3
★★★★★
  • Pros icon Educational Website
  • Pros icon No-Hassle Pricing
  • Pros icon No-fee Quotes
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Custom Window Designs
  • Service icon Architectural Glass
  • Service icon Double-Hung

Website: https://www.american-awnings.com/
Address: 145 Park Pl E, Shippensburg, PA 17257
Phone: (717) 532-9098

Susquehanna Valley Door and Window

York, PA
3.2
★★★★★
  • Pros icon Educational Website
  • Pros icon Dependable Service
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Custom Windows
  • Service icon Sliding Glass
  • Service icon Double-Hung
  • Service icon Bay & Bow Windows

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

Robert G. Miller

Hanover, PA
3.2
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon No-fee Quotes
  • Pros icon Excellent Customer Service
  • Pros icon Reliable Service

Services Offered

  • Service icon Custom Windows
  • Service icon Fast Delivery
  • Service icon Aluminum Window Frames
  • Service icon Double-Hung

Website: http://rgmillerinc.com/
Address: 509 W Elm Ave, Hanover, PA 17331
Phone: (717) 637-7910

L & L Window Fashions

Harrisburg, PA
3.2
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Excellent Customer Service
  • Pros icon No-fee Quotes
  • Pros icon Consistent Workmanship

Services Offered

  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Energy-Efficient Options
  • Service icon Sliding Glass

Website: http://www.landlwindowfashions.com/
Address: 5450 Derry St Bldg 2, Harrisburg, PA 17111
Phone: (717) 635-9623

Everlast Windows

Newburg, PA
3.2
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free Quotes
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

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

Website: http://www.everlastwindows.com/
Address: 910 Roxbury Rd, Newburg, PA 17240
Phone: (717) 423-5800

Install America

10+ years in business · Harrisburg, PA
3.1
★★★★★
  • Pros icon Excellent Customer Service
  • Pros icon Free Quotes
  • Pros icon Price Transparency
  • Pros icon Helps Educate Customers

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Sliding Glass
  • Service icon Full-Service Installations
  • Service icon Custom Window Designs

Website: http://www.installamerica.net/
Address: 10+ years in business · Harrisburg, PA
Phone: (717) 230-8800

Pella Windows & Doors of Harrisburg

Harrisburg, PA
3.1
★★★★★
  • Pros icon Excellent Customer Service
  • Pros icon Educational Website
  • Pros icon No-fee Quotes
  • Pros icon Price Transparency

Services Offered

  • Service icon Architectural Glass
  • Service icon Custom Window Designs
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://www.pellabranch.com/harrisburg/showrooms/harrisburg-pa/
Address: 3950 Tecport Dr, Harrisburg, PA 17111
Phone: (717) 545-0855

Rick's Home Improvements

York, PA
3.1
★★★★★
  • Pros icon Reliable Service
  • Pros icon Price Transparency
  • Pros icon Free Quotes
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Business Windows

Website: http://ricks-home-improvements.business.site/
Address: 277 Point Cir, York, PA 17406
Phone: (717) 854-2124

Long Home Products

Middletown, PA
3.0
★★★★★
  • Pros icon Helps Educate Customers
  • Pros icon Free Quotes
  • Pros icon Excellent Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Custom Windows
  • Service icon Residential Windows
  • Service icon Double-Hung

Website: https://longhomeproducts.com/
Address: 301 Fulling Mill Rd Suite 200, Middletown, PA 17057
Phone: (844) 561-5664

Debra's Glass Inc

Dallastown, PA
3.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Helps Educate Customers
  • Pros icon Free Quotes

Services Offered

  • Service icon Architectural Glass
  • Service icon Doors
  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows
  • Service icon Double-Hung

Website: https://www.debsglass.com/
Address: 255 N Pleasant Ave, Dallastown, PA 17313
Phone: (717) 244-4622

Windows and More - York

York, PA
3.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon No-Hassle Pricing
  • Pros icon Reliable Service

Services Offered

  • Service icon Custom Windows
  • Service icon Energy-Efficient Options
  • Service icon Sliding Glass

Website: http://mywindowsandmore.com/
Address: 2466 N George St, York, PA 17406
Phone: (717) 515-2224

HomeRite Windows and Doors

Hampden Township, PA
2.9
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Excellent Customer Service
  • Pros icon Educational Website
  • Pros icon Free Quotes

Services Offered

  • Service icon Custom Windows
  • Service icon Fast Delivery
  • Service icon Sliding Glass
  • Service icon Double-Hung

Website: http://www.homeriteharrisburg.com/
Address: 5270 E Trindle Rd, Hampden Township, PA 17050
Phone: (717) 558-0502

How Installing Energy-Efficient Windows in South Middleton Saves You Money

Energy-efficient windows can benefit you in more than one way. Here are some reasons you may want to make the switch:

  • Protect your valuables from fading: When you upgrade to energy-efficient windows that have low-emissivity coatings, your floors, carpets and furniture will be protected from fading because of their ability to filter out damaging UV rays.
  • Reduce your carbon footprint: Decreasing the amount of energy you use also lowers your indirect greenhouse gas emissions. You could reduce it by 286 pounds per year on average.
  • Protect your investment: The older your home is, the more likely it is that getting new windows will benefit you. Older homes tend to have windows that are outdated, drafty or maybe even damaged in some way. Upgrading your windows could help increase the value of your property if you decide to sell.
  • Save on energy bills: Once you upgrade to energy-efficient windows, you can see a reduction in your bills by about 12% since you'll use less energy to heat or cool your house.

Estimated Cost of Window Replacement in South Middleton

Windows come in various shapes, purposes and styles, so costs and services will differ considerably based on several factors. Below, we describe the typical cost and services that you'll find from window replacement companies.

How Much Do New Windows Cost?

According to our research, the national average cost of installing a single window is around $600. However, window installation costs can range from $200 to $1,200 per window. Costs will vary considerably depending on the quality of your products, the number of windows you need, your location and the current condition of your home. Many window companies also offer replacement door installations and other add-ons like shutters, baths, coating and more. These extra services will increase your overall project costs.

It's important to remember that windows with the best efficiency may cost more initially but can save you hundreds of dollars by lowering your energy bills. Investing in certified energy-efficient windows can save South Middleton homeowners $304+ a year when replacing single-pane windows.

We advise getting 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?

The first step when planning a window installation is to decide whether you should get a full-frame or pocket installation.

Full-frame installations entail replacing the total window, including the frame, trim and sill. You most likely need a full-frame installation when you want to change the style of your windows or your window has noticeable rot or deterioration. Full-frame installations are more involved and will increase the total cost. Pocket installations are simpler and won't carry as large a bill, as they involve simply replacing the window within its existing frame. But if the frame has any damage or deterioration, you should opt for a full-frame installation instead.

If you're unsure which window installation service you should get, your installer can advise you. Typically, the choice is based on factors like the age and condition of the home, the type of building material, budget and time restrictions.

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Member of US Green Building Council
  • Manufactures products in-house
  • Award-winning company
  • No lifetime warranty

Best Affordability

Window World

★★★★★
4.5

  • Great industry reputation
  • Lifetime warranty
  • EnergyStar Partner
  • Quality of service will depend on your area

Best for Businesses

Aeroseal Windows

★★★★★
4

  • Manufactures products in-house
  • Great industry reputation
  • Custom Designs
  • Not ideal for residential installations

How We Choose the Best Window Installers in South Middleton

EcoWatch differs from most reviewers since we're examining these companies through a sustainability lens. Along with energy efficiency, we evaluated several window installers in South Middleton and ranked them based on the following methodology:

Service Area

This one is self-explanatory, but we've chosen to highlight window installation companies that serve South Middleton so you can find a quality window installation company near you.

Work Quality

We're willing to bet that you're looking for a company to do a great job installing windows. We've vetted each company featured in our guide to ensure its contractors are well-qualified and that the company has gotten a lot of positive customer feedback to vouch for its service.

Customer Reviews

We analyzed patterns in recent online reviews to determine the companies with the most customer satisfaction. Customer satisfaction might be the factor we place the most value on, as it reflects the quality of services across most other categories, including professionalism, warranty, quality of parts, quality of installation, cost and more.

Cost

This one is a give-and-take: similar to most services, cheap window installation companies won't always provide the highest quality service. Still, we want to ensure we're highlighting companies that provide a wide range of price and financing options so they're accessible to most homeowners.

Warranty

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

Years of Experience

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

South Middleton, PA Window Replacement FAQs

What is the average cost to replace windows?

The national average cost of replacing one window is around $600 but can range from $200 to $1,200, based on a variety of factors. The price is generally dependent on the location of your property, the size of the window and the type and material of the window. Also, remember that energy-efficient windows may cost more upfront but can save you a decent amount of money a year in energy bills.

Which type of window should I get?

A window's energy efficiency is influenced by 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 since they are certified by the U.S. Department of Energy.

Do you really have to use a window installation company?

You should use a window installation professional whenever you want new windows. Installing windows is a complicated process that can be difficult and time-consuming, so it's best left to the professionals.

How often do you need to replace windows?

Windows usually last about 20 to 30 years, but anytime you notice damage on your windows, it's a good idea to have them looked at by an expert to see if they need any repairs or replacements.

Should I replace my windows all at the same time?

If your windows are more than 20 years old, you most likely 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 once will involve less paperwork and less stress.

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