20 Best Window Companies in Homeland, CA (2023 Reviews)

Looking to improve your house's value? The best window replacement companies can help.

We analyzed all the top-rated window companies in Homeland 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 Reviews team is all about helping Homeland homeowners find eco-conscious solutions for their homes. Potential leaks or drafts from your windows can make your AC or heater work extra hard in the summer or winter.

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

We've put together this guide on the best installation companies to help you in your search, so you can not only take advantage of brand new windows, but also save money on your electric 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 Homeland

The EcoWatch Reviews team examined dozens of installers in Homeland to find the best window replacement companies for our readers. The companies mentioned in this article scored the best in our review categories, such as energy-efficient offerings, price, local expertise, availability, customer service 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 Homeland. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This company has been operating since 1995 and currently services 200 locations nationwide. Its reputation is backed by several positive reviews on customer review websites.

Window World may be the company for you if you're looking for 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

Window World is an Energy Star partner offering a variety of energy-efficient windows. Note that not all of the company’s windows are Energy Star certified, so be sure to ask your Window World representative when inquiring about services.

How much does Window World cost in Homeland?

Even though pricing is not readily available on Window World’s website, it's known for offering some of the most affordable window installations around. If you’d like more accurate information, you can inquire about a quote on the company’s website.

Milgard Windows & Doors logo
FAST QUOTE
as little as 30 seconds
Excellent Reputation

Milgard Windows & Doors

★★★★★
BBB Rating: A
Locations: West Coast
Founded: 1962
Pros:
  • Pros icon EnergyStar Partner
  • Pros icon Wide network of installers
  • Pros icon Lifetime warranty available
Cons:
  • Pros icon Entails hiring third-party contractors
  • Pros icon Limited additional services

Milgard Windows & Doors offers the best local installation in Homeland. It's a family-owned and -operated window replacement company, which primarily serves the West Coast. This company has been operating since 1962 and currently services Anaheim, Riverside, Los Angeles, San Bernardino and Orange counties. Its reputation is backed by several positive reviews on customer review websites.

Milgard may be the company for you if you're looking for one that offers competitive pricing, a comprehensive warranty and installers that all have a minimum of 15 years of window installation experience.

Energy Efficiency of Milgard Windows & Doors Windows

Milgard Windows & Doors is an Energy Star partner offering a variety of energy-efficient windows. Note that not all of the company’s windows are Energy Star certified, so be sure to ask your Milgard representative when inquiring about services.

How much does Milgard Windows & Doors cost in Homeland?

Even though pricing is not readily available on Milgard’s website, it offers different kinds of windows at varying price points. If you’d like more accurate information, you can inquire about 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 offers the best availability in Homeland. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This company has been operating since 1995 and currently services nearly every state except Mississippi and West Virginia. Its reputation is backed by several positive reviews on customer review websites.

Andersen may be the company for you if you're looking for 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

Renewal by Andersen is an Energy Star partner offering a variety of energy-efficient windows. 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 Homeland?

Even though pricing is not readily 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. If you’d like more accurate information, you can inquire about a quote on the company’s website.

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 Homeland. This window installation company has been operating since 2002 and currently services 27 states nationwide.

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

Universal Windows Direct offers some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want high-quality Energy Star windows when inquiring. 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.

How much does Universal Windows Direct cost in Homeland?

Although pricing is not available on Universal’s website, installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. Receiving a free quote on its website is the best way to know for sure.

We have tried to stay unbiased and transparent by mentioning pros and cons for every provider. Additionally, any partnerships do not affect our rankings.

More Window Companies in Homeland

Renewal by Andersen of Orange County

Laguna Hills, CA
4.5
★★★★★
  • Pros icon Timely Service
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

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

Website: https://www.renewalbyandersen.com/window-company/089-orange-county-ca/about-us
Address: 22982 Alcalde Dr, Laguna Hills, CA 92653
Phone: (949) 265-7600

Window World of Riverside County

Riverside, CA
4.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

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

Website: https://www.windowworldriverside.com/
Address: 11730 Sterling Ave, Riverside, CA 92503
Phone: (951) 354-2723

Window King

Menifee, CA
4.2
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • 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 Double-Hung
  • Service icon Commercial Windows
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Residential Windows
  • Service icon Energy-Efficient Options

Website: https://windowkingla.com/about-us/
Address: 26686 Farrell St, Menifee, CA 92586
Phone: (562) 372-0219

Ms. Blinds Window Coverings & Windows

CA 92585, CA
4.0
★★★★★
  • 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 Fast Delivery
  • Service icon Double-Hung
  • Service icon Residential Windows
  • Service icon Window Replacement

Website: https://www.msblinds.com/
Address: Menifee, CA 92585
Phone: (951) 223-5789

Home Services at The Home Depot

Moreno Valley, CA
3.8
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

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

Website: https://www.homedepot.com/l/Moreno-Valley-II/CA/Moreno-Valley/92551/1087/services
Address: 15975 Perris Blvd, Moreno Valley, CA 92551
Phone: (951) 365-5883

Glass Doctor of Beaumont, CA

Beaumont, CA
4.3
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

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

Website: https://glassdoctor.com/beaumont-ca/
Address: 250 California Ave, Beaumont, CA 92223
Phone: (951) 389-0537

Andy's Glass & Window Company

Murrieta, CA
4.4
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

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

Website: https://www.andysglass.com/
Address: 25751 Jefferson Ave, Murrieta, CA 92562
Phone: (951) 677-7421

Glass Doctor of Murrieta

Murrieta, CA
4.3
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

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

Website: https://glassdoctor.com/murrieta/
Address: 26019 Jefferson Ave # E, Murrieta, CA 92562
Phone: (951) 894-5710

Horizon Home Heroes

Murrieta, CA
4.4
★★★★★
  • Pros icon Educational Website
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

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

Website: https://www.horizonhomeheroes.com/
Address: 41765 Elm St Unit 202, Murrieta, CA 92562
Phone: (951) 600-0020

Milgard Windows & Doors

Temecula, CA
4.4
★★★★★
  • 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 Sliding Glass
  • Service icon Aluminum Window Frames
  • Service icon Window Replacement
  • Service icon Energy-Efficient Options
  • Service icon Bay Windows
  • Service icon Residential Windows
  • Service icon Custom Window Designs
  • Service icon Double-Hung

Website: http://www.milgard.com/
Address: 26879 Diaz Rd, Temecula, CA 92590
Phone: (800) 645-4273

The Glass Guru

Park Drive STE C8, CA
4.5
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

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

Website: https://theglassguru.com/locations/temecula-ca/
Address: 43391Business, Park Drive STE C8, Temecula, CA 92591
Phone: (951) 337-4478

Precision Door & Window Replacement

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

Services Offered

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

Website: https://www.precisiondnw.com/
Address: 43162 Black Deer Loop unit d, Temecula, CA 92590
Phone: (951) 595-0126

Ace Glass

Moreno Valley, CA
3.6
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

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

Website: https://aceglassrepairca.com/
Address: 24080 Sunnymead Boulevard, Moreno Valley, CA 92553
Phone: (951) 924-4848

CR Glass inc.

Calimesa, CA
4.2
★★★★★
  • 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 Double-Hung
  • Service icon Residential Windows
  • Service icon Window Repair
  • Service icon Fast Delivery
  • Service icon Window Replacement
  • Service icon Commercial Windows
  • Service icon Glass Showers

Website: http://crglassrancho.com/
Address: 509 W Ave L cc, Calimesa, CA 92320
Phone: (909) 731-0946

Straight-Line Glass & Mirror Co.

Temecula, CA
3.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Full-Service Installations
  • Service icon Window Repair
  • Service icon Residential Windows
  • Service icon Commercial Windows
  • Service icon Custom Window Designs
  • Service icon Glass Showers
  • Service icon Window Replacement

Website: http://www.straightlineglass.com/
Address: 28125 Jefferson Ave, Temecula, CA 92590
Phone: (951) 676-2490

Veracity Window and Door

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

Services Offered

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

Website: http://www.veracitywindowanddoor.com/
Address: 1531 Seventh St, Riverside, CA 92507
Phone: (866) 252-2904

Ameristar Windows

Riverside, CA
4.4
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement
  • Service icon Fast Delivery
  • Service icon Full-Service Installations
  • Service icon Sliding Glass
  • Service icon Commercial Windows
  • Service icon Custom Window Designs
  • Service icon Energy-Efficient Options
  • Service icon Tempered Glass
  • Service icon Residential Windows

Website: https://www.ameristarwindows.com/
Address: 3453 Chicago Ave, Riverside, CA 92507
Phone: (951) 354-2711

Best glass and screen

Yucaipa, CA
3.8
★★★★★
  • Pros icon Price Transparency

Services Offered

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

Website: http://www.bestglassandscreen.com/
Address: 35242 Yucaipa Blvd, Yucaipa, CA 92399
Phone: (909) 790-1659

Precision Glass & Mirror

Riverside, CA
4.1
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

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

Website: http://precision-glassinc.com/
Address: 783 Palmyrita Ave unit b, Riverside, CA 92507
Phone: (951) 688-9748

Silver Lining Restoration

Riverside, CA
4.0
★★★★★
  • Pros icon Timely Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

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

Website: https://silverliningrestoration.net/
Address: 1710 Palmyrita Ave unit 6, Riverside, CA 92507
Phone: (877) 938-0788
Homeland Window Cost Calculator

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

By switching to energy-efficient windows, you can take advantage of several benefits, such as:

  • Protect your investment: When you have an older home, your windows could also be outdated or drafty. Upgrading your windows is an important part of maintaining your property and its value.
  • Save money on energy bills: Since energy-efficient windows lower how much energy you need to heat or cool your home, the switch can help you save around $556 annually on your energy bills in Homeland.
  • Better temperature control in your home: Living in a chilly place like Homeland often means relying on your heater to keep your house cool. Energy-efficient windows can reduce how much heat is lost through your windows when heating your home.
  • Protect your valuables from fading: When you upgrade to energy-efficient windows with low-emissivity coatings, your floors, carpets and furniture will fade less because of their ability to filter out damaging UV rays.

Estimated Cost of Window Replacement in Homeland

Windows come in various purposes, shapes and styles, so costs and services will differ remarkably based 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?

Generally, homeowners in Homeland can anticipate that most replacement window installations will cost between $250 and $1,200, with the most common installations sitting at around $600. How much it will cost depends on several factors, like number of windows, size, type, the location of your home, material and more.

Bear in mind that energy-efficient windows may cost more upfront, but Energy Star estimates 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.

Asking for free quotes from several providers is the best way to find out which one will work best for your budget.

What Services do Window Installers Offer?

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

A full-frame installation replaces the total window, including the sill, frame, trim and the window panes. Because this type of installation is more involved, it will be more expensive than a pocket installation. Pocket installations are on the simpler end and won't cost as much, as they entail merely replacing the window within its existing frame. But if the frame has any damage, you should opt for a full-frame installation instead.

Your window installation company will be able to advise you on the best type for your project. In Homeland, the decision will mostly depend on the efficiency of your home and how old your existing frames are.

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 Homeland

In our hunt to make your home improvements easier and more eco-friendly in Homeland, the EcoWatch Reviews team chose the above companies as the best window installation companies in the city. We have assessed the best window installation companies in Homeland primarily based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy Star certified windows have been shown to reduce your electricity bills by hundreds of dollars. Along with energy efficiency, our rating methodology considers the following factors:

Service Area

This one is pretty self-explanatory, but we've chosen to highlight window installers that serve a wide variety of states and cities so you can find a quality window installation company near you.

Work Quality

When choosing new windows, the quality and breadth of services often plays just as important of a role in insulation and performance as the brand of window you opt for. We do give window installers more points if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.

Customer Reviews

Customer feedback is another super important review factor. If the majority of customers don't have good things to say about their service from a certain company, it won't be featured on EcoWatch.

Cost

This one is a give-and-take: similar to most services, cheap window companies may not provide the highest quality service. On the other hand, we want to ensure we're highlighting companies that offer a spectrum of price and financing options so they're accessible to most homeowners.

Warranty

Protecting your investment in new windows is important to many homeowners. That's why window installation companies that offer lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

Last but not least, 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.

Homeland, CA Window Replacement FAQs

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

The national average cost of replacing a window is about $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 type and material of the window and the location of your property. Also, bear in mind that energy-efficient windows may cost more initially but can save you a decent amount of money a year in energy bills.

What are the different types of windows?

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

What services do window replacement companies offer?

Window installation companies cover the entire process — from replacing old windows with brand new ones to cleaning up afterward. Additionally, some companies offer window manufacturing, customization and repairs.

Should I replace all my windows at once?

If your windows are greater than 20 years old, you most likely need to replace all of them. At that point, they are usually less efficient, leakier 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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