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

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

We analyzed all the top-rated window companies in Livermore 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.

A review of the best window installation companies in Livermore may not seem like the most captivating article on EcoWatch, but trust us, windows have more of an impact on your life than you might realize. Drafty or leaky windows can reduce your home's energy efficiency by up to 30%, according to the Department of Energy. In Livermore, that's an average of $531 a year that you could save on your electricity bills after making the switch.

That's not great for either your bank account or the environment, but one of the best window installation companies can help you with that.

We've compiled this list of the top installation companies to help you in your search, so you can not only benefit from brand new windows, but also save money on your power 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 Livermore

The EcoWatch Reviews team researched dozens of installers in Livermore to find the top window installation companies for our readers. The installers mentioned in this article scored 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 has windows expertise in Livermore. Window World has about 27 years of experience in the window replacement sector.

Window World may be the company for you if you want 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 has some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to ask for Energy Star windows when inquiring. 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 Livermore?

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

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 Livermore. It's a family-owned and -operated window replacement company, which primarily serves the West Coast. This window installation company has been operating since 1962 and currently services Anaheim, Riverside, Los Angeles, San Bernardino and Orange counties. Its reputation is backed by hundreds of positive reviews from customers online.

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

Milgard Windows & Doors 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 make sure to mention that you want energy-efficient windows to your Milgard representative when inquiring about services.

How much does Milgard Windows & Doors cost in Livermore?

Although prices are not readily available on Milgard’s website, it offers different kinds of windows at varying price points. Getting a free quote on its website is the best way to get more accurate pricing information.

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 Livermore. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This window installation company has been operating since 1995 and currently services nearly every state except Mississippi and West Virginia. Its reputation is backed by hundreds of positive 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 make 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 Livermore?

Although prices are 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. Getting a free quote on its website is the best way to get more accurate pricing information.

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 has the best warranty in Livermore. It's a company that has grown immensely since its inception in 2002, and now has several franchise dealers nationwide. Universal has around 20 years of experience in the industry, and it currently provides services to 27 states nationwide. The company has hundreds of positive reviews from customers on online review websites.

You may want to consider going with Universal if you're looking for a installer 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 offerings 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 Livermore?

Universal does not mention 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. Getting a free quote on its website is the best way to get more accurate information.

We aim to be unbiased and transparent by including pros and cons for every company. Additionally, any partnerships do not influence our reviews.

More Window Companies in Livermore

Renewal by Andersen of San Francisco

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

Services Offered

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

Website: https://www.renewalbyandersen.com/window-company/890-san-francisco-ca/retailer
Address: 30806 Santana St, Hayward, CA 94544
Phone: (510) 803-3110

Cal Coast Window & Door

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

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Window Designs
  • Service icon Sliding Glass
  • Service icon Full-Service Installations
  • Service icon Bay Windows
  • Service icon Energy-Efficient Options
  • Service icon Window Replacement

Website: https://calcoastwindows.com/
Address: 5673 W Las Positas Blvd Suite 203, Pleasanton, CA 94588
Phone: (925) 398-8184

Custom Exteriors, Inc

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

Services Offered

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

Website: https://www.custom-exteriors.com/
Address: 2142 Rheem Dr ste e, Pleasanton, CA 94588
Phone: (888) 957-7800

Reborn Cabinets Inc.

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

Services Offered

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

Website: https://www.reborncabinets.com/location/livermore/
Address: 1306 Stealth St a, Livermore, CA 94551
Phone: (408) 359-4093

Quality Windows & Doors

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

Services Offered

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

Website: https://www.qwdwindowsanddoors.com/
Address: 3732 Stanley Blvd Ste B, Pleasanton, CA 94566
Phone: (925) 484-1747

APW Window Replacement

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

Services Offered

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

Website: https://apwwindows.com/
Address: 3109 Camdon Ct, Pleasanton, CA 94588
Phone: (773) 818-4400

Custom Exchange Windows

Pleasanton, CA
4.1
★★★★★
  • Pros icon Timely Service
  • 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 Bay Windows
  • Service icon Sliding Glass
  • Service icon Residential Windows
  • Service icon Window Replacement
  • Service icon Custom Window Designs

Website: http://www.customexchangeinc.com/
Address: 6873 Herrin Ct, Pleasanton, CA 94588
Phone: (855) 225-6999

Sears Heating and Air Conditioning

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

Services Offered

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

Website: https://www.searshomeservices.com/locations/hi/hvac/ca/livermore
Address: 283 E Airway Blvd, Livermore, CA 94551
Phone: (925) 255-1593

Glass Doctor of The Bay Area

Hayward, CA
4.2
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

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

Website: https://glassdoctor.com/hayward/
Address: 773 Berry Ave, Hayward, CA 94544
Phone: (510) 264-5277

Home Services at The Home Depot

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

Services Offered

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

Website: https://www.homedepot.com/l/Union-City/CA/Union-City/94587/635/services
Address: 30055 Industrial Pkwy SW, Union City, CA 94587
Phone: (510) 296-9243

Pella Windows & Doors of Northern California

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

Services Offered

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

Website: https://www.pellabranch.com/northern-california/showrooms/hayward/
Address: 2251 Claremont Ct, Hayward, CA 94545
Phone: (844) 537-3552

Tracy Glass Shop

Tracy, CA
4.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

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

Website: http://tracyglassshop.com/
Address: 3402 Mars Ct suite 108, Tracy, CA 95376
Phone: (209) 835-1472

Roxy Glass

7401 Morton Ave # A, CA
4.0
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

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

Website: https://bayareawindowglass.com/
Address: 7401-A, 7401 Morton Ave # A, Newark, CA 94560
Phone: (510) 400-7788

Dragon Glass and Doors

Hayward, CA
3.8
★★★★★
  • Pros icon Free assessment

Services Offered

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

Website: https://dragonglassdoors.com/
Address: 22141 Mission Blvd, Hayward, CA 94541
Phone: (510) 319-7671

The Glass Guru

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

Services Offered

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

Website: https://theglassguru.com/locations/brentwood-ca/
Address: 2220 A St Suite A, Antioch, CA 94509
Phone: (925) 690-1947

CR Windows Inc

Hayward, 邮政编码:
3.7
★★★★★
  • Pros icon Free assessment

Services Offered

  • Service icon Residential Windows
  • Service icon Window Replacement
  • Service icon Custom Window Designs
  • Service icon Bay Windows

Website: http://www.crwindows4u.net/
Address: California, Hayward, Clawiter Rd, 邮政编码: 94545
Phone: (510) 868-4845

American Vision Windows

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

Services Offered

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

Website: https://www.americanvisionwindows.com/locations/san-jose/
Address: 400 Mathew St, Santa Clara, CA 95050
Phone: (408) 444-8941

Windows & Beyond

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

Services Offered

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

Website: http://www.windowsandbeyond.net/
Address: 1027 Shary Ct, Concord, CA 94518
Phone: (925) 689-6600

My Window & Door Solutions

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

Services Offered

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

Website: https://www.mywindowdoorsolutions.com/
Address: 1510 Old Oakland Rd Ste 130, San Jose, CA 95112
Phone: (408) 437-6274

Bestoff Windows & Construction

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

Services Offered

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

Website: https://www.bestoffwindows.com/
Address: 1000 Detroit Ave Suite "S, Concord, CA 94518
Phone: (925) 457-9026
Livermore Window Cost Calculator

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

By switching to energy-efficient windows, you and your family can enjoy several benefits, including:

  • Better temperature control in your home: Energy-efficient windows can cut back on how hard your heating system needs to work to heat your home.
  • Protect your valuables: The low-emissivity coatings on many Energy Star certified windows help reduce damage from the sun's UV rays to your floors, carpets and furniture.
  • Protect your investment: If your home is on the older side, your windows are most likely in need of replacement. Upgrading your windows can improve the insulation in your home and also help increase the value of your home if you decide to sell.
  • Save on electricity bills: Once you install energy-efficient windows, you can see a reduction in your bills by about 12% because you'll use less energy to heat or cool your home.

Estimated Cost of Window Replacement in Livermore

Windows come in different shapes, styles and purposes, so costs and services will vary remarkably depending on several factors. Below, we go over the typical cost and services that you'll find from window installers.

How Much Do New Windows Cost?

Typically, homeowners in Livermore can expect that most window installations will range from $250 to $1,200, with the average cost sitting at around $600. This is because of the fact that window installations depend on a variety of factors specific to your home, like the size, material and number of windows you need to replace, as well as the location of your property.

Keep in mind that energy-efficient windows may come at a higher price point, but Energy Star estimates the upgrade will save you between $101 and $583 per year when installing single-pane windows and between $27 and $197 per year when installing double-pane, clear glass windows. Your exact savings will vary depending on your local climate, energy rates and individual home characteristics.

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

What Services do Window Installers Offer?

When it comes to window replacements, in general there are two types that your provider will have: full-frame and pocket installations.

Full-frame installations are necessary when you want to change the style of your windows or your window has a lot of deterioration. With this service, your professionals will replace the entire window, including the trim, frame and sill. A pocket installation entails installing a new window without replacing the frame. So, instead of taking out the whole unit and reinstalling it, the contractor will just slide the replacement window (also called a retrofit or insert window) into the frame.

Your window installer should be able to help you figure out which type of installation you should get.

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 Livermore

In our hunt to make your home improvements easier and more eco-friendly in Livermore, the EcoWatch team landed on the above companies as the top window installation companies in the city. We've evaluated the top window replacement companies in Livermore mostly based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy Star certified windows can lower electricity bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

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 the right window installation company near you.

Work Quality

When selecting new windows, the quality and variety of services often plays just as important of a role in overall efficiency and performance as the brand of window you opt for. We do rate window installers higher if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.

Customer Reviews

We analyzed patterns in recent online reviews to find the companies with the highest rates of customer satisfaction. Customer satisfaction might be the most important factor, as it indicates the quality of services across most other categories, including warranty, professionalism, quality of installation, quality of parts, cost and more.

Cost

This one is a give-and-take: as with most services, cheap window installers won't always provide the highest quality service. On the other hand, 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 significant investment, so you'll want to make sure that investment is well protected. Window installation companies that give you lengthy warranties for products, parts and labor rank higher with EcoWatch.

Years of Experience

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

Livermore, CA Window Replacement FAQs

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

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

What kind of window is the most energy-efficient?

Generally, double-pane windows are more efficient than single-pane windows and windows that don't open will be more efficient than windows that do. If you want to be sure you're getting the most energy-efficient windows, look for models that have the blue Energy Star certification — they're certified energy-efficient by the U.S. Department of Energy.

Can you install your own windows?

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

Should I replace my windows all at the same time?

If you're upgrading your windows because of energy-efficiency, replacing all of your windows at once is the only way to see a noticeable difference. However, if you have just a few windows that are broken or leaky, you can replace just those.

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