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

If you're looking to upgrade to new windows, our guide to the best window installation companies can help.

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 When it's the middle of summer, your outdated and drafty windows could be making your home more difficult to cool and costing you more in power bills.

Thankfully, helping you save money with upgraded windows also helps our goals of conserving energy and the resources it takes to make it.

As windows are so important for your home, selecting the best company for you is a big choice to make. That's why the EcoWatch team has created this list of the top window installation companies, so you can more easily make an informed decision.

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 Santee

The EcoWatch Reviews team evaluated dozens of installers across the country to find the best window replacement companies for our readers. The providers in this article scored the best in our review categories, such as energy-efficient offerings, availability, price, local expertise, 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 provides windows expertise in Santee. It's the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has about 27 years of experience in the window replacement industry. Its reputation is backed by all the positive reviews on customer review websites.

It 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

There are a wide variety of window types that Window World offers, some of which are Energy Star products. Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home.

How much does Window World cost in Santee?

Prices aren’t displayed on Window World’s website, but it's known for offering some of the most affordable window installations around. The best way to get more accurate information is to get a free quote from the company.

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 provides the best local installation in Santee. It's a family-owned and -operated window replacement company, which primarily serves the West Coast. Milgard has about 60 years of experience in the window replacement industry. Its reputation is backed by all the positive reviews on customer review websites.

It 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

There are a wide variety of window types that Milgard Windows & Doors offers, some of which are Energy Star products. The company manufactures its own products, which gives it the freedom to make custom windows based on the climate. The company designs its own vinyl compounds and profiles to ensure a heat-stable product that performs as advertised.

How much does Milgard Windows & Doors cost in Santee?

Prices aren’t displayed on Milgard’s website, but it offers different kinds of windows at varying price points. The best way to get more accurate information is to get a free quote from the company.

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 provides the best availability in Santee. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has about 27 years of experience in the window replacement industry. Its reputation is backed by all the positive reviews on customer review websites.

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

There are a wide variety of window types that Renewal by Andersen offers, some of which are Energy Star products. 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.

How much does Renewal by Andersen cost in Santee?

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. The best way to get more accurate information is to get a free 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 Santee. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has been in the window installation business for about 20 years. The company has a lot of positive reviews from customers on online review websites.

Universal may be the company for you if you're looking for one that has an industry-leading warranty covering products, parts and workmanship for life.

Energy Efficiency of Universal Windows Direct Windows

Universal Windows Direct carries some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to mention that you want 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 Santee?

While prices are 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. You can request a free quote on its website for more information about pricing.

Please note that the companies in this section are national, meaning the quality of customer service may vary depending on your local crew. We have tried to stay unbiased and transparent by describing both pros and cons for each provider.

More Window Companies in Santee

Renewal by Andersen of Greater San Diego

San Diego, CA
4.2
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

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

Website: https://www.renewalbyandersensd.com/
Address: 8572 Spectrum Ln, San Diego, CA 92121
Phone: (858) 537-4584

Window World of San Diego

San Marcos, CA
3.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

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

Website: https://www.windowworldsandiego.com/
Address: 177 Vallecitos De Oro, San Marcos, CA 92069
Phone: (760) 230-8909

DaBella

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

Services Offered

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

Website: https://dabella.us/location/san-diego/
Address: 3333 Camino del Rio S UNIT 340, San Diego, CA 92108
Phone: (619) 826-0582

Glenview Glass & Screen Inc.

El Cajon, CA
4.3
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Free assessment

Services Offered

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

Website: https://glenviewglass.com/
Address: 13262 Hwy 8 Business, El Cajon, CA 92021
Phone: (619) 390-7433

Window Solutions

Lakeside, CA
4.2
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

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

Website: https://sdwinsol.com/
Address: 11632 Riverside Dr, Lakeside, CA 92040
Phone: (619) 258-0515

BM Windows

San Diego, CA
4.2
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

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

Website: https://www.bmwindowsca.com/
Address: 9353 Activity Rd A, San Diego, CA 92126
Phone: (858) 621-6287

Genesis Home Improvements SD

San Diego, CA
4.2
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Timely Service
  • Pros icon Good Customer Service

Services Offered

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

Website: https://www.genesishomeimprovementssd.com/
Address: 5482 Complex St STE 105, San Diego, CA 92123
Phone: (858) 792-9444

Coast Design & Build | Home Improvement | General Contractor, Bathroom & Kitchen Remodel San Diego

San Diego, CA
4.2
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

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

Website: https://coastdesignbuild.com/
Address: 6602 El Cajon Blvd Suite D, San Diego, CA 92115
Phone: (855) 452-6278

JWG Windows & Doors Inc.

Poway, CA
4.2
★★★★★
  • 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 Double-Hung
  • Service icon Commercial Windows
  • Service icon Residential Windows
  • Service icon Energy-Efficient Options

Website: http://www.jwgwindows.com/
Address: 12544 Kirkham Ct #16, Poway, CA 92064
Phone: (858) 748-9500

American Vision Windows

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

Services Offered

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

Website: https://americanvisionwindows.com/locations/san-diego/
Address: 7950 Miramar Rd, San Diego, CA 92126
Phone: (858) 264-2512

Pacifica Glass Company

Santee, CA
4.1
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

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

Website: https://www.pacificaglasssd.com/
Address: 10731 Woodside Ave, Santee, CA 92071
Phone: (619) 345-0230

Clear Concepts Window & Door

San Diego, CA
4.1
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

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

Website: http://www.clearconceptssd.com/
Address: 7525 Mission Gorge Rd suite g, San Diego, CA 92120
Phone: (619) 583-7171

Skye Walls San Diego

San Diego, CA
4.1
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Timely Service

Services Offered

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

Website: https://skyewallsbywws.com/
Address: 8990 Miramar Rd #270, San Diego, CA 92126
Phone: (858) 247-3123

Dreamstyle Remodeling

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

Services Offered

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

Website: https://www.dreamstyleremodeling.com/locations/san-diego/
Address: 8260 Miralani Dr, San Diego, CA 92126
Phone: (619) 693-4537

Picture Perfect Windows & Doors

San Diego, CA
4.1
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

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

Website: https://pictureperfectwindows.com/
Address: 5980 Fairmount Ave #108, San Diego, CA 92120
Phone: (619) 946-3697

Newman Windows and Doors - San Diego

San Diego, CA
4.1
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

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

Website: https://www.newmanwindows.com/san-diego-window-door-showroom/
Address: 4620 Alvarado Canyon Rd Suite 11, San Diego, CA 92120
Phone: (619) 790-8450

Action Window and Door

Spring Valley, CA
4.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

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

Website: http://www.actionwindowanddoor.com/
Address: 2737 Via Orange Way UNIT 110, Spring Valley, CA 91978
Phone: (619) 670-7025

Window Tech Inc.

Lakeside, CA
4.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

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

Website: http://www.windowtech.info/
Address: 10149 Channel Rd, Lakeside, CA 92040
Phone: (619) 444-9391

Garland-Fields Glass Co

La Mesa, CA
4.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

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

Website: https://www.windowsforsandiego.com/
Address: 8394 Parkway Dr, La Mesa, CA 91942
Phone: (619) 464-1525

US Window & Door - San Diego

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

Services Offered

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

Website: https://www.uswindow-door.com/
Address: 7920 Silverton Ave suite n, San Diego, CA 92126
Phone: (760) 621-6287
Santee Window Cost Calculator

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

When you upgrade to energy-efficient windows, you may see a few benefits, such as:

  • Protect your valuables from fading: When you upgrade to energy-efficient windows with low-emissivity coatings, your floors, carpets and furniture will fade less due to their ability to filter out damaging UV rays.
  • More efficient energy use in your household: In Santee where the winters can be very chilly, energy-efficient windows cut back on the amount of heat that is lost through your windows, which makes it easier to keep your home warm.
  • Decrease your carbon footprint: Because energy-efficient windows improve the insulation in your house, you can cut your carbon footprint by about 12%, according to Energy Star.
  • Protect your investment: When you have an older home, your windows could also be outdated or damaged. Keeping your windows up to date is an important part of maintaining your property and its value.

Estimated Cost of Window Replacement in Santee

Windows come in different shapes and sizes, so costs and services will vary considerably. Here are the typical costs and services that you'll find from window installers.

How Much Do New Windows Cost?

According to our market research, the national average cost of replacing a single window is about $600. However, window installation costs can range from $200 to $1,200 per window. These estimates are based on the specifics of your installation, including the location of your home, type, number of windows, material, size and more.

With windows, efficiency is the most important factor for most homeowners. Windows with higher efficiency may cost more off the bat, but by increasing the efficiency of your home — particularly if you live in a hot climate — they can provide decades of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save Santee homeowners $491+ a year after replacing single-pane windows.

We advise requesting free quotes from multiple window companies to find the one that works best for you.

What Services do Window Installers Offer?

When considering window installations, there are typically two kinds that your installer will have: full-frame and pocket installations.

Full-frame installations require replacing the entire window — the sill, frame, trim and all. These are typically done when you want a different style for your windows or when it has significant rot or deterioration. Full-frame installations require more time and labor and will increase overall costs. A pocket installation involves installing a new window without replacing the frame. So, instead of taking out the whole window and rebuilding it, the installer will just put the replacement window (also called a retrofit or insert window) into the frame.

Your window replacement company should be able to help you figure out what's best for your needs. In Santee, the decision will mostly depend on how old your home is and if there's any damage. Wood can decay if not properly maintained over the years, so it's a good idea to have a professional evaluate 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 Santee

In our search to make your home improvements easier and more eco-friendly in Santee, the EcoWatch team evaluated dozens of companies before settling on these. We have evaluated the top window installers in Santee primarily based on energy efficiency, as it's the most sustainable option and the best one for homeowners. Energy-efficient windows have been shown to reduce your energy bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

Service Area

Because this is a guide for Santee, we paid more attention to companies that provide services to the city. There are certainly other reputable providers that didn't make our list because of the low odds that they would serve the average homeowner in Santee.

Work Quality

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

Customer Reviews

Customer feedback is another super important review factor. If most customers don't have positive things to say about their service from a certain installer, you won't see it featured on EcoWatch.

Cost

Cheaper windows certainly don't mean better windows, but we know many of our readers would like to keep costs as low as possible. When analyzing the prices of providers, we awarded higher scores to companies with reasonable prices and accessible financing rather than "cheaper" services.

Warranty

Protecting your investment in new windows is important. For that reason, window installation companies that have lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

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

Santee, CA Window Replacement FAQs

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

The average cost to replace a single window can range between $450 and $650. There are several factors that affect the price, including your property's location, how energy-efficient the windows are, local labor costs, the number of windows, the materials used in designing the windows and styles and sizes of windows.

Which type of window should I get?

A window's energy efficiency is affected by a number of factors, such as the quality of the installation and the kind of window. Look for Energy Star Certified windows — these are usually the most energy-efficient and are certified by the U.S. Department of Energy.

Do I really have to use a window installation company?

You should hire a window installation company whenever you want new windows. Installing windows is a involved process that can take a lot of time, so it's best handled by the professionals.

How long does it generally take to install windows?

Each window takes around 30 minutes to install based on the kind of window. However, the window installation can be a two-day job — or more — if you need to have a lot of windows installed.

Should I replace all my windows at once?

If you want to get more efficient windows and save money on your energy bills, replacing all the windows at once is the only way to gain that benefit. However, if you have only one or two windows that are damaged or drafty, you can replace just those.

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