22 Best Window Replacement Companies in Thousand Oaks, CA (Mar 2023)
Window Companies Near Me

Looking to replace your home's windows? We've got all the information you need in this guide to the top window installation companies.

We analyzed all the top window installers in Thousand Oaks 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 March 14, 2023

Why you can trust EcoWatch

Our panel of energy experts work tirelessly to create unbiased reviews and informative content to help homeowners make educated decisions. No other windows site has covered energy efficiency and sustainability as long as EcoWatch, which means we're going to help you find windows replacements that will save on your energy bill and put more money back in your wallet.

Although eco-friendly energy sources like wind and solar are important when it comes to decreasing your carbon footprint, improving your house's energy efficiency can also have a considerable impact on home energy conservation. Traditional, outdated windows could lead to having higher electricity bills during the winter or summer months.

That's also bad news for the environment, as the extra energy used by leaky windows increases your carbon footprint.

So if you're building a new home, renovating or changing out old windows in Thousand Oaks, you've found the best place to get started.

Best Affordability

Window World

★★★★★
4.5

  • Low prices relative to competitors
  • EnergyStar Partner
  • Great industry reputation
  • Quality of service will depend on your area

Excellent Reputation

Milgard Windows & Doors

★★★★★
4.5

  • EnergyStar Partner
  • Wide network of installers
  • Lifetime warranty available
  • Limited additional services

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Member of US Green Building Council
  • Manufactures products in-house
  • Great industry reputation
  • More expensive than competition

Best Window Replacement Companies in Thousand Oaks

The EcoWatch Reviews team examined dozens of installers that serve the Thousand Oaks area to find the top window installation companies that fit our standards. The providers we've mentioned in this article passed our review standards for energy-efficient offerings as well as local expertise, customer service, price and beyond.

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

Window World

★★★★★
BBB Rating: A+
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Low prices relative to competitors
  • Pros icon EnergyStar Partner
  • Pros icon Great industry reputation
Cons:
  • Pros icon Quality of service will depend on your area

Window World offers windows expertise in Thousand Oaks. Window World has been in the window industry for about 27 years.

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

Window World's commitment to sustainability shows in its energy-efficient window offerings. 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 Thousand Oaks?

Window World doesn't have any prices displayed on its 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 Limited additional services

Milgard Windows & Doors has the best local installation in Thousand Oaks. It's a family-owned and -operated window replacement company, which primarily serves the West Coast. Milgard has over 60 years of experience in the industry, and it currently serves Anaheim, Riverside, Los Angeles, San Bernardino and Orange counties. The provider has plenty of glowing reviews from customers on online review websites.

You may want to consider opting for Milgard if you're interested in a company 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 has some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want Energy Star windows when inquiring. 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 Thousand Oaks?

Milgard does not list prices on its website, but it offers different kinds of windows at varying price points. The best way to get more accurate information is to receive 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 Member of US Green Building Council
  • Pros icon Manufactures products in-house
  • Pros icon Great industry reputation
Cons:
  • Pros icon More expensive than competition

Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has around 27 years of experience in the window installation business. Many positive reviews on customer review websites back the company's reputation.

It has established itself as a company 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 with 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 mention that you want energy-efficient windows to your Andersen representative when inquiring about services.

How much does Renewal by Andersen cost in Thousand Oaks?

Prices aren't available 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 request a free quote on its website for more information about pricing.

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. Its reputation is backed by a considerable amount of positive reviews from customers online.

If you're looking for a company that has an industry-leading warranty covering products, parts and workmanship for life, this may be the provider for you.

Energy Efficiency of Universal Windows Direct Windows

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

How much does Universal Windows Direct cost in Thousand Oaks?

Universal does not outline prices 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 information is to get a free quote from the company.

We strive to remain unbiased and transparent by including pros and cons for each company we review. Additionally, our rankings are not affected by any partnerships.

More Window Replacement Companies in Thousand Oaks

Economy Glass Co West Inc

Santa Monica, CA
4.6
★★★★★
  • Pros icon Price Transparency
  • Pros icon Consistent Workmanship
  • Pros icon Timely Service
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Glass Showers
  • Service icon Fast Delivery
  • Service icon Tempered Glass
  • Service icon Custom Window Designs
  • Service icon Full-Service Installations
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://economyglasscowest.com/
Address: 1631 Colorado Ave, Santa Monica, CA 90404
Phone: (310) 396-2000

Windows N' Things

Canoga Park, CA
4.2
★★★★★
  • Pros icon Arrives on Time
  • Pros icon Educational Website
  • Pros icon Award-Winning
  • Pros icon Price Transparency

Services Offered

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

Website: https://www.windowsnthings.com/
Address: 21300 Hart St, Canoga Park, CA 91303
Phone: (818) 716-1800

The Window Factory

Simi Valley, CA
4.0
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Dependable Service
  • Pros icon Free Quotes
  • Pros icon Good Customer Service

Services Offered

  • Service icon Fast Delivery
  • Service icon Energy-Efficient Options
  • Service icon Custom Windows
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://www.thewindowfactory.com/
Address: 1060 E Los Angeles Ave, Simi Valley, CA 93065
Phone: (805) 426-9005

Tashman Home Center

West Hollywood, CA
3.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Locally Recognized for Quality
  • Pros icon Excellent Customer Service

Services Offered

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

Website: https://www.tashmans.com/
Address: 7769 Santa Monica Blvd, West Hollywood, CA 90046
Phone: (323) 909-6553

Preferred Glass And Windows

Simi Valley, CA
3.8
★★★★★
  • Pros icon Consistent Workmanship
  • Pros icon Excellent Customer Service
  • Pros icon No-Hassle Pricing
  • Pros icon Locally Recognized for Quality

Services Offered

  • Service icon Glass Showers
  • Service icon Custom Windows
  • Service icon Commercial Windows
  • Service icon Stained Glass
  • Service icon Sliding Glass

Website: http://preferredglassandwindows.com/
Address: 1296 E Los Angeles Ave, Simi Valley, CA 93065
Phone: (805) 495-7976

Preferred Glass & Window

Camarillo, CA
3.8
★★★★★
  • Pros icon Helps Educate Customers
  • Pros icon Award-Winning
  • Pros icon Price Transparency
  • Pros icon Reliable Service

Services Offered

  • Service icon Glass Showers
  • Service icon Custom Windows
  • Service icon Commercial Windows
  • Service icon Stained Glass
  • Service icon Sliding Glass

Website: https://preferredglassandwindows.com/
Address: Camarillo, CA
Phone: (805) 388-0866

Anytime Windows and Doors

North Hollywood, CA
3.8
★★★★★
  • Pros icon Dependable Service
  • Pros icon Price Transparency
  • Pros icon Excellent Customer Service
  • Pros icon No-fee Quotes

Services Offered

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

Website: http://anytimewindowsanddoors.com/
Address: 10746 Burbank Blvd Suite B, North Hollywood, CA 91601
Phone: (866) 755-6996

Quality Windows & Doors

Oxnard, CA
3.8
★★★★★
  • Pros icon Locally Recognized for Quality
  • Pros icon No-Hassle Pricing
  • Pros icon Educational Website
  • Pros icon No-fee Quotes

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Glass Showers
  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Full-Service Installations
  • Service icon Commercial Windows
  • Service icon Double-Hung

Website: https://www.qualitywindows-doors.com/
Address: 1430 S Oxnard Blvd, Oxnard, CA 93030
Phone: (805) 984-5895

Legendary Glass Windows & Doors

609 Science Dr, CA
3.8
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Helps Educate Customers
  • Pros icon No-fee Quotes
  • Pros icon No-Hassle Pricing

Services Offered

  • Service icon Double-Hung
  • Service icon Full-Service Installations
  • Service icon Custom Window Designs
  • Service icon Residential Windows
  • Service icon Business Windows
  • Service icon Sliding Glass
  • Service icon Aluminum Window Frames
  • Service icon Glass Showers

Website: http://www.legendaryglass.com/
Address: By Phone Appointment Only, 609 Science Dr, Moorpark, CA 93021
Phone: (805) 409-4567

GOLDEN BEAR GLASS & WINDOWS LLC

Los Angeles, CA
3.8
★★★★★
  • Pros icon Price Transparency
  • Pros icon Helps Educate Customers
  • Pros icon Excellent Customer Service
  • Pros icon Consistent Workmanship

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Heavy Glass
  • Service icon Energy-Efficient Options
  • Service icon Tempered Glass
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Business Windows

Website: http://www.glassinstalls.com/
Address: 3311 W 3rd St # 421, Los Angeles, CA 90004
Phone: (310) 933-2600

Frontier Windows & Doors

Canoga Park, CA
3.7
★★★★★
  • Pros icon Excellent Customer Service
  • Pros icon Arrives on Time
  • Pros icon Price Transparency
  • Pros icon Reliable Service

Services Offered

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

Website: http://www.frontierwindows.net/
Address: 21426 Sherman Way, Canoga Park, CA 91303
Phone: (818) 478-0074

Progressive Insulation & Windows

Chatsworth, CA
3.6
★★★★★
  • Pros icon Dependable Service
  • Pros icon Excellent Customer Service
  • Pros icon No-Hassle Pricing
  • Pros icon No-fee Quotes

Services Offered

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

Website: http://www.progressiveiw.com/
Address: 9750 CA-27, Chatsworth, CA 91311
Phone: (800) 500-6200

California Sliding Door Parts & Repair Service

Winnetka, CA
3.6
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Reliable Service
  • Pros icon Good Customer Service

Services Offered

  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Sliding Glass
  • Service icon Double-Hung

Website: http://www.caslidingdoorrepair.com/
Address: 20346 Londelius St, Winnetka, CA 91306
Phone: (818) 709-0810

Sears Window Replacement

Los Angeles, CA
3.6
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Educational Website
  • Pros icon Award-Winning
  • Pros icon Consistent Workmanship

Services Offered

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

Website: https://www.searshomeservices.com/locations/hi/window-replacement/ca/los-angeles
Address: Los Angeles, CA
Phone: (323) 348-1938

American Vision Windows

Simi Valley, CA
3.3
★★★★★
  • Pros icon Price Transparency
  • Pros icon Consistent Workmanship
  • Pros icon No-fee Quotes
  • Pros icon Educational Website

Services Offered

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

Website: https://www.americanvisionwindows.com/locations/los-angeles-ventura-county/
Address: 2125 Madera Rd, Simi Valley, CA 93065
Phone: (805) 468-4316

Beverly Hills Glass Inc

Los Angeles, CA
3.3
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Reliable Service
  • Pros icon No-fee Quotes
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Architectural Glass
  • Service icon Glass Showers
  • Service icon Custom Window Designs
  • Service icon Business Windows
  • Service icon Double-Hung

Website: http://www.bhglassinc.com/
Address: 6004 W Pico Blvd, Los Angeles, CA 90035
Phone: (310) 409-5274

Ron's Glass & Screen

Somis, CA
3.2
★★★★★
  • Pros icon Free Quotes
  • Pros icon No-Hassle Pricing
  • Pros icon Good Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Glass Showers
  • Service icon Heavy Glass
  • Service icon Custom Window Designs
  • Service icon Aluminum Window Frames
  • Service icon Commercial Windows
  • Service icon Sliding Glass

Website: http://ronsglassandscreen.com/
Address: 3227 Somis Rd, Somis, CA 93066
Phone: (805) 386-3444

Pure View Window & Door, Inc.

Ventura, CA
3.2
★★★★★
  • Pros icon Arrives on Time
  • Pros icon Free Quotes
  • Pros icon Good Customer Service
  • Pros icon Reliable Service

Services Offered

  • Service icon Custom Windows
  • Service icon Fast Delivery
  • Service icon Architectural Glass
  • Service icon Sliding Glass

Website: http://pureviewwindow.com/
Address: 5757 Olivas Park Dr unit p, Ventura, CA 93003
Phone: (805) 585-3400

West Coast Sash & Door Inc

Ventura, CA
3.2
★★★★★
  • Pros icon Helps Educate Customers
  • Pros icon No-fee Quotes
  • Pros icon Consistent Workmanship
  • Pros icon Price Transparency

Services Offered

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

Website: http://www.wcsd1.com/
Address: 1922 Palma Dr, Ventura, CA 93003
Phone: (805) 644-4902

Jon's Window & Awning, Inc.

Burbank, CA
3.2
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon Timely Service
  • Pros icon Educational Website
  • Pros icon Excellent Customer Service

Services Offered

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

Website: http://www.jonswindowsandawning.com/
Address: 2919 Magnolia Blvd, Burbank, CA 91505
Phone: (818) 845-5430

Valencia Custom Shower Doors

Canyon Country, CA
3.2
★★★★★
  • Pros icon Dependable Service
  • Pros icon Locally Recognized for Quality
  • Pros icon Price Transparency
  • Pros icon No-fee Quotes

Services Offered

  • Service icon Custom Windows
  • Service icon Residential Windows
  • Service icon Commercial Windows
  • Service icon Sliding Glass

Website: https://www.valenciacustomshowerdoors.com/
Address: 26858 Ruether Ave, Canyon Country, CA 91351
Phone: (661) 218-1848

Window Design Group

Thousand Oaks, CA
3.2
★★★★★
  • Pros icon Helps Educate Customers
  • Pros icon No-fee Quotes
  • Pros icon Consistent Workmanship
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Sliding Glass
  • Service icon Double-Hung

Website: http://www.windowdesigngroup.com/
Address: 1336 N Moorpark Rd #226, Thousand Oaks, CA 91360
Phone: (800) 577-0643

How Installing Energy-Efficient Windows in Thousand Oaks Saves You Money

Energy-efficient windows can offer benefits in more than one way. Here are some reasons you may want to think about making the switch:

  • Protect your investment: The older your home is, the more likely it is that getting new windows will benefit you. Older homes usually have windows that are outdated, leaky or maybe even damaged in some way. Updating your windows could help increase the value of your home if you decide to sell.
  • Save money on energy bills: Since energy-efficient windows decrease how much energy you need to heat or cool your home, they can help you save about $572 annually on your energy bills in Thousand Oaks.
  • Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which not only provide better insulation for your home, but also filter out harmful UV rays, preventing your furniture, carpet and other valuables from fading.
  • Reduce your carbon footprint: Since energy-efficient windows improve the insulation in your home, you can lower your carbon footprint by about 12%, according to Energy Star.

Estimated Cost of Window Replacement in Thousand Oaks

Windows come in different shapes, styles and purposes, so costs and services will differ tremendously based on your project. Below, we go over the average cost and services that you can get from window replacement companies.

How Much Do New Windows Cost?

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

With windows, efficiency is the most important factor for most homeowners. Windows with higher efficiency may cost more initially, but by increasing the efficiency of your home — especially if you live in a hot climate — they can provide decades of energy savings. According to Energy Star, buying certified energy-efficient windows can save Thousand Oaks homeowners $572+ per year after replacing single-pane windows.

The cost of your window installation will also vary depending on the kind of window material you choose for the frames. Wood windows are generally the most expensive, though it depends if they are solid wood or clad with aluminum or vinyl. Fiberglass windows also tend to be somewhat more expensive than vinyl, but they are more efficient.

What Services do Window Installers Offer?

The first question to ask yourself when planning to replace your windows is: Do you need a full-frame installation or a pocket installation?

A full-frame installation is a total window replacement. It involves removing the old window, the windowsill, and the exterior and interior trim. It can also involve extra materials, such as insulation and drip edges, which raise the total cost of the project. Also worth noting: you may have to touch up the paint surrounding the window after a full-frame installation. Pocket installations (also known as retrofits) are when you replace a window while leaving the old frame. Pocket installations are on the simpler end and won't carry as large a bill, but you can't do this type of installment if you have any pre-existing rot or water damage.

Your window installation company can help you choose which type of installation you need.

Best Affordability

Window World

★★★★★
4.5

  • Low prices relative to competitors
  • EnergyStar Partner
  • Great industry reputation
  • Quality of service will depend on your area

Excellent Reputation

Milgard Windows & Doors

★★★★★
4.5

  • EnergyStar Partner
  • Wide network of installers
  • Lifetime warranty available
  • Limited additional services

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Member of US Green Building Council
  • Manufactures products in-house
  • Great industry reputation
  • More expensive than competition

How We Choose the Best Window Installers in Thousand Oaks

The EcoWatch Reviews team differs from other reviewers, as we're examining these companies through a sustainability lens. Along with energy efficiency, we analyzed window companies all across the state and ranked them using the following methodology:

Service Area

Because this is a guide for Thousand Oaks, we only included companies that serve the city. There are certainly reputable providers that didn't make the cut because of the low odds that they would serve the average homeowner in Thousand Oaks.

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 on this list 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

Customer feedback is another very 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: as with other services, cheap window installation companies are not going to provide the most quality service. On the other hand, we want to ensure we're highlighting companies that provide a variety 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 labor rank higher with EcoWatch.

Years of Experience

Last but not least, we like to see companies that have been in the industry for quite some time. Window installers that have more years of experience will earn higher rankings by our standards. We like to see at least ten years of experience.

Thousand Oaks, CA Window Replacement FAQs

How much does a window install cost?

The typical cost to install a single window ranges between $450 and $650. There are a variety of factors that influence the price, such as your property's location, the number of windows, the materials used in designing the windows, how energy-efficient the windows are, styles and sizes of windows and local labor costs.

Which type of window should I get?

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

Can I install my own windows?

If you're handy and know how to replace a window, it's possible to install your own windows. However, if you don't have the time or experience, we recommend hiring a professional.

Should I replace all my windows at the same time?

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

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