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

If you're thinking about getting new windows, our list of the best window installation companies can help.

We analyzed all the top-rated window companies in Millbrae 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 finding solutions for eco-conscious homeowners in Millbrae. During the summer months, the last thing you want is your cool air to leak out of your outdated windows.

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

As windows have such a considerable impact on your home, choosing the right company for you is a big choice to make. That's why the EcoWatch team has made this list of the top window replacement 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 Millbrae

The EcoWatch team examined dozens of installers in Millbrae to find the best ones for our readers. The providers mentioned in this article scored the best in our review categories, which include energy-efficient offerings, customer service, availability, price, local expertise 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 is 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.

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

Energy Efficiency of Window World Windows

Window World carries 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. 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 Millbrae?

Window World doesn’t have any cost information listed on its website, but it's known for offering some of the most affordable window installations around. If you’d like more accurate pricing information, you can ask for 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 provides the best local installation in Millbrae. It's a family-owned and -operated window replacement company, which primarily serves the West Coast. This company has 60 years of experience in the windows business, and it has proved to be one of the best companies in Millbrae. Its reputation is backed by many positive reviews from customers online.

If you’re looking for a company that offers competitive pricing, a comprehensive warranty and installers that all have a minimum of 15 years of window installation experience, this may be the right company for you.

Energy Efficiency of Milgard Windows & Doors Windows

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. Not all of Milgard’s windows are Energy Star certified, so make sure you mention that you’re interested in Energy Star windows when inquiring.

How much does Milgard Windows & Doors cost in Millbrae?

Pricing information is not available on Milgard’s website since the cost of window installment depends on how many and what type(s) of windows you need. However, it offers different kinds of windows at varying price points. You can inquire about a free quote on its website for more information about pricing.

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 Millbrae. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This company has 27 years of experience in the windows business, and it has proved to be one of the best companies in Millbrae. Its reputation is backed by many positive reviews from customers online.

If you’re looking for a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started, this may be the right company for you.

Energy Efficiency of Renewal by Andersen Windows

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. Not all of Andersen’s windows are Energy Star certified, so make sure you mention that you’re interested in Energy Star windows when inquiring.

How much does Renewal by Andersen cost in Millbrae?

Pricing information is not available on Andersen’s website since the cost of window installment depends on how many and what type(s) of windows you need. However, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. You can inquire about 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 company has been operating since 2002 and currently services 27 states nationwide. The provider has a lot of positive reviews from customers online.

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

There are a wide variety of window types that Universal Windows Direct offers, some of which are Energy Star products. 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 Millbrae?

Prices aren’t mentioned on Universal’s 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. You can inquire about a free quote on its website for more information about the cost.

Please note that the following companies are national, meaning the quality of customer service may vary depending on your local team. We have tried to remain unbiased and transparent by mentioning pros and cons for each provider.

More Window Companies in Millbrae

Renewal by Andersen of San Francisco

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

Services Offered

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

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

Alexander Company

Burlingame, CA
4.3
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Custom Window Designs
  • Service icon Window Replacement
  • Service icon Bay Windows
  • Service icon Fast Delivery
  • Service icon Residential Windows
  • Service icon Window Repair
  • Service icon Aluminum Window Frames

Website: https://alexanderco.com/
Address: 1322 Marsten Rd, Burlingame, CA 94010
Phone: (650) 288-0813

Deluxe Windows , Inc

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

Services Offered

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

Website: https://deluxewindows.com/
Address: 1395 Marsten Rd, Burlingame, CA 94010
Phone: (650) 461-4446

Bay Area Window Pros

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

Services Offered

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

Website: https://www.bayareawindowpros.com/
Address: 1011 Cadillac Way suite a, Burlingame, CA 94010
Phone: (888) 223-0605

Raven Restoration

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

Services Offered

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

Website: http://ravenrestorationsf.com/
Address: 989 Peralta Ave, San Francisco, CA 94110
Phone: (415) 271-2195

Rhino Siding & Window Replacement

San Francisco, CA
4.1
★★★★★
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • 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 Fast Delivery
  • Service icon Bay Windows
  • Service icon Sliding Glass

Website: http://www.rhinosidingwindows.com/
Address: 100 Girard St, San Francisco, CA 94134
Phone: (415) 985-1961

Home Services at The Home Depot

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

Services Offered

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

Website: https://www.homedepot.com/l/Daly-City/CA/Daly-City/94015/1092/services
Address: 303 E Lake Merced Blvd, Daly City, CA 94015
Phone: (650) 294-8974

OCEAN SASH AND DOOR INC.

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

Services Offered

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

Website: http://www.oceansashanddoor.com/
Address: 2730 Oakdale Ave, San Francisco, CA 94124
Phone: (415) 863-1256

Dial Glass and Window

Pacifica, CA
3.7
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

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

Website: http://www.dialglass.net/
Address: 1704 Palmetto Ave, Pacifica, CA 94044
Phone: (650) 359-5380

Pella Windows & Doors of Northern California

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

Services Offered

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

Website: https://www.pellabranch.com/northern-california/showrooms/san-francisco/
Address: 850 S Van Ness Ave Suite 13, San Francisco, CA 94110
Phone: (628) 400-5980

Window Replacement Center

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

Services Offered

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

Website: https://www.windowreplacementcontractor.com/
Address: 2500 38th Ave, San Francisco, CA 94116
Phone: (415) 926-2427

Ace Glass Company

San Francisco, CA
4.2
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

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

Website: http://sfaceglass.com/
Address: 381 11th St, San Francisco, CA 94103
Phone: (415) 395-0806

Glass Express co

San Mateo, CA
3.0
★★★★★
  • Pros icon Price Transparency

Services Offered

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

Website: http://www.theglassexpress.com/
Address: 1027 Howard Ave, San Mateo, CA 94401
Phone: (650) 347-2424

Sunlight Window and Door Systems, Inc.

Oakland, CA
4.1
★★★★★
  • 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 Commercial Windows
  • Service icon Energy-Efficient Options
  • Service icon Fast Delivery
  • Service icon Window Replacement
  • Service icon Aluminum Window Frames
  • Service icon Glass Showers

Website: https://sunlightwds.business.site/
Address: 4705 Coliseum Wy, Oakland, CA 94601
Phone: (510) 866-2668

Vinyl Casement Windows

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

Services Offered

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

Website: https://bestexteriors.com/siding/
Address: 1999 Harrison St, Oakland, CA 94612
Phone: (650) 524-5090

CR Windows Inc

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

Services Offered

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

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

Best Exteriors

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

Services Offered

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

Website: https://bestexteriors.com/
Address: 1999 Harrison St #10219, Oakland, CA 94612
Phone: (877) 792-6065

East Bay Glass

Oakland, CA
3.6
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

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

Website: http://www.eastbayglass.com/
Address: 601 50th Ave, Oakland, CA 94601
Phone: (510) 761-8736

Glass Doctor of The Bay Area

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

Services Offered

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

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

The Window Specialists, Inc.

Oakland, CA
3.8
★★★★★
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Timely Service
  • Pros icon Educational Website

Services Offered

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

Website: http://www.windowspecialist.com/
Address: 3250 Hollis St, Oakland, CA 94608
Phone: (510) 923-1000
Millbrae Window Cost Calculator

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

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

  • Protect your valuables: The low-emissivity coatings on many Energy Star certified windows help prevent damage from the sun's UV rays to your floors, carpets and furniture.
  • Decrease your carbon footprint: You can reduce your carbon footprint by about 12% once you install Energy Star certified windows. In Millbrae, that's about 117 pounds per year on average.
  • Protect your investment: Upgrading your windows is an important part of maintaining your property and its real estate value, especially if you have an older home.
  • Better temperature control in your home: Living in a very cold place like Millbrae usually means needing your heater to keep your house cool. Energy-efficient windows can reduce how much heat is lost through your windows when heating your home.

Estimated Cost of Window Replacement in Millbrae

When looking into window installation, each company offers varying services and costs. Let's look at some typical costs and services.

How Much Do New Windows Cost?

Even though the national average of installing one window is about $600, it can range anywhere from $200 to $1,200. But costs differ remarkably based on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window installers also provide door installations and replacements, which carry a higher price tag.

With windows, efficiency is one of the most important factors for many homeowners. Efficient windows may cost more initially, but by increasing the efficiency of your home — particularly during the summer and winter — they can give you many years of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save Millbrae homeowners $440+ a year after replacing single-pane windows.

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

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 full window, including the sill, frame, trim and the window panes. Because this type of installation requires more time and labor, it will cost more than a pocket installation. Pocket installations (also known as retrofits) are when you replace a window while leaving the existing frame. Pocket installations are simpler and will be less expensive, but you can't do this type of installment if you have any pre-existing rot or water damage.

Your window installer should be able to help you decide 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 Millbrae

The EcoWatch Reviews team is different from other reviewers because we look at these companies through a sustainability lens. Along with energy efficiency, we analyzed window companies all across the state and ranked them based on the following methodology:

Service Area

Since this is a guide for Millbrae, we gave more points to 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 Millbrae.

Work Quality

We're willing to bet that you're not looking for a company to do a shoddy job installing windows. We've vetted each company included in our guide to make sure its technicians are well-qualified and that the company has gotten a lot of positive customer feedback to vouch for its service.

Customer Reviews

We analyzed trends in recent customer feedback to find the companies with the most consistent customer satisfaction, weighted by sample size. Customer satisfaction may be the factor we place the most value on, as it indicates the quality of services across nearly every category, including professionalism, warranty, quality of installation, quality of parts, cost and more.

Cost

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

Warranty

As discussed, windows are a serious investment, so you'll want to make sure that investment is protected. Window installation companies that offer lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

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

Millbrae, CA Window Replacement FAQs

How much does window installation cost?

The national average cost to replace a window is around $600 but can range between $200 and $1,200, depending on a variety of factors. The price is generally influenced by the location of your property, the type and material of the window and the size of the window. Also, remember 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 kinds of windows?

There are several different kinds of windows you can get for your home, such as awning windows, slider windows, transom windows, bay windows, casement windows, double-hung and single-hung windows and picture windows.

Can I install my own windows?

If you're handy and have experience with similar home improvement projects, it's possible to install your own windows. But if you don't have the time or experience, we recommend getting a professional to do it for you.

How long does window installation take?

Each window takes about 30 minutes to install depending on the type of window. However, the window installation can take two days or more if you need to have a lot of windows installed.

Should I replace all my windows at once?

If your windows are greater than 20 years old, it's most likely time to replace all of them. By that point, they are usually less efficient, draftier and/or more damaged than new windows. Doing your windows all at the same time will involve less paperwork and less stress.

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