23 Best Window Replacement Companies in Barnhart, MO (Jan 2023)
Window Companies Near Me

Thinking about upgrading your windows? We've got all the information you need in this guide to the best window installation companies.

We analyzed all the top window installers in Barnhart and selected the top 23 based on:

  • Customer reviews
  • Window replacement expertise
  • Popularity with home-owners like you
EcoWatch Local Advisors

By EcoWatch Local Advisors

Updated January 12, 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 guide on the best window installation companies in Barnhart may not seem like the most compelling article on the EcoWatch site, but trust us, windows have more of an impact on your life than you might think. Drafty, leaky windows can cost you in energy bills. As a matter of fact, the Department of Energy estimates that about 30% of your house's heat or cool air could be lost through your windows.

That's also bad news for the environment because the extra energy used by damaged windows increases your carbon footprint.

We've made a 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 electric bills.

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Award-winning company
  • Member of US Green Building Council
  • Great industry reputation
  • No lifetime warranty

Best Affordability

Window World

★★★★★
4.5

  • Lifetime warranty
  • Large serice area
  • Low prices relative to competitors
  • Quality of service will depend on your area

Best for Residential Windows

Window Nation

★★★★★
4

  • Award-winning company
  • Manufactures products in-house
  • Wide variety of products and services
  • Limited service area

Best Window Replacement Companies in Barnhart

The EcoWatch team researched several window installation companies in Barnhart to find the best ones for our readers. The providers mentioned in this article passed our review standards for energy-efficient offerings as well as local expertise, customer service, price and beyond.

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 Award-winning company
  • Pros icon Member of US Green Building Council
  • Pros icon Great industry reputation
Cons:
  • Pros icon No lifetime warranty

Renewal by Andersen provides the best availability in Barnhart. This company has 27 years of experience in the windows industry, and it has established itself as one of the most respected companies in Barnhart. Many positive reviews on customer review websites back the company's reputation.

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

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 offerings are Energy Star certified, so be sure to mention that you want Energy Star windows when inquiring.

How much does Renewal by Andersen cost in Barnhart?

Andersen doesn't have any prices displayed on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. If you'd like more accurate information, you can inquire about a quote on the company's website.

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

Window World

★★★★★
BBB Rating: A+
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Lifetime warranty
  • Pros icon Large serice area
  • Pros icon Low prices relative to competitors
Cons:
  • Pros icon Quality of service will depend on your area

Window World provides windows expertise in Barnhart. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This company has been in business since 1995 and currently provides services to 200 locations nationwide. Its reputation is backed by a considerable amount of 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

Window World caters to eco-conscious consumers by providing 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 Barnhart?

Prices aren't listed on Window World's website, but 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.

Window Nation logo
FAST QUOTE
as little as 30 seconds
Best for Residential Windows

Window Nation

★★★★★
BBB Rating: A
Locations: Regional
Founded: 2006
Pros:
  • Pros icon Award-winning company
  • Pros icon Manufactures products in-house
  • Pros icon Wide variety of products and services
Cons:
  • Pros icon Limited service area

Window Nation offers the best residential windows in Barnhart. It's a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. Window Nation has been in the window industry for around 16 years.

You may want to consider going with Window Nation if you're looking for a installer that gives customers the opportunity to view products and to speak to a representative in person in its showrooms.

Energy Efficiency of Window Nation Windows

Window Nation has some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want high-quality Energy Star windows when inquiring. Each product has windowpanes coated with a Low-E (low emissivity) glaze that prevents damaging UV rays from heating your home. Plus, the spaces between double- and triple-pane windows are filled with argon gas that’s been proven to improve home insulation.

How much does Window Nation cost in Barnhart?

Window Nation doesn't have any cost information displayed on its website, but based on customer feedback, you can expect to pay between $300 and $525 per window installed, making it a more affordable option compared to competitors. For more detailed information on the cost, you can inquire about a 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 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. Many positive reviews from customers online back the company's reputation.

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

Energy Efficiency of Universal Windows Direct Windows

Universal Windows Direct offers some Energy Star windows, but note that not all its windows are energy-efficient, so 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 Barnhart?

Universal does not display 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. If you'd like to know for sure, you can receive a quote on the company's website.

We aim to remain unbiased and transparent by describing pros and cons for every company we review. Additionally, our rankings are not influenced by any partnerships.

More Window Replacement Companies in Barnhart

Storm Guard Roofing and Construction St Louis West County

Pacific, MO
5
★★★★★
  • Pros icon Reliable Service
  • Pros icon No-Hassle Pricing
  • Pros icon Helps Educate Customers
  • Pros icon Free Quotes

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 Business Windows
  • Service icon Double-Hung
  • Service icon Stained Glass

Website: https://swstlouis.stormguardrc.com/
Address: 114 E Orleans St, Pacific, MO 63069
Phone: (636) 778-9562

Wildwood Roofing & Construction

Ellisville, MO
4.8
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon Educational Website
  • Pros icon Award-Winning
  • Pros icon Dependable Service

Services Offered

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

Website: http://www.wildwoodroof.com/
Address: 437 Old State Rd, Ellisville, MO 63021
Phone: (636) 400-1011

Window World of St. Louis

Bridgeton, MO
4.0
★★★★★
  • Pros icon Helps Educate Customers
  • Pros icon No-Hassle Pricing
  • Pros icon No-fee Quotes
  • Pros icon Reliable Appointment Windows

Services Offered

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

Website: https://www.windowworldstlouis.com/
Address: 13892 St Charles Rock Rd, Bridgeton, MO 63044
Phone: (314) 993-1800

Chaney Windows And Doors

Maryland Heights, MO
3.9
★★★★★
  • Pros icon Helps Educate Customers
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Free Quotes

Services Offered

  • Service icon Residential Windows
  • Service icon Energy-Efficient Options
  • Service icon Custom Window Designs
  • Service icon Double-Hung
  • Service icon Stained Glass
  • Service icon Sliding Glass
  • Service icon Bay & Bow Windows

Website: http://chaneywindowsanddoors.com/
Address: 80 Weldon Pkwy, Maryland Heights, MO 63043
Phone: (636) 699-6353

Mr. Handyman of Metro East

Collinsville, IL
3.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Consistent Workmanship
  • Pros icon Award-Winning

Services Offered

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

Website: https://www.mrhandyman.com/metro-east/
Address: 1309 Vandalia St, Collinsville, IL 62234
Phone: (618) 319-7256

Renewal by Andersen of St. Louis

Maryland Heights, MO
3.8
★★★★★
  • Pros icon Educational Website
  • Pros icon No-Hassle Pricing
  • Pros icon Gives to charity
  • Pros icon Timely Service

Services Offered

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

Website: http://www.rbastl.com/
Address: 2446 Schuetz Rd, Maryland Heights, MO 63043
Phone: (314) 983-9977

Lowe's Home Improvement

Belleville, IL
3.8
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon Helps Educate Customers
  • Pros icon Consistent Workmanship
  • Pros icon Arrives on Time

Services Offered

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

Website: https://www.google.com/aclk
Address: Belleville, IL
Phone: (618) 239-3908

Empire Supply Co

St. Louis, MO
3.8
★★★★★
  • Pros icon Educational Website
  • Pros icon Excellent Customer Service
  • Pros icon Price Transparency
  • Pros icon Free Quotes

Services Offered

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

Website: http://empiresupplystl.com/
Address: 7286 Manchester Rd, St. Louis, MO 63143
Phone: (314) 645-2633

Glass & More Inc. Low price glass repair!

Belleville, IL
3.7
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free Quotes
  • Pros icon No-Hassle Pricing
  • Pros icon Educational Website

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Windows
  • Service icon Full-Service Installations
  • Service icon Business Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: http://www.jimsglassandmore.com/
Address: 5400 N Belt W, Belleville, IL 62226
Phone: (618) 222-1197

Energy View Windows - Home Improvements

Hazelwood, MO
3.7
★★★★★
  • Pros icon Locally Recognized for Quality
  • Pros icon Good Customer Service
  • Pros icon No-Hassle Pricing
  • Pros icon Helps Educate Customers

Services Offered

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

Website: http://www.energyviewhomeimprovements.com/
Address: 7220 N Lindbergh Blvd #350, Hazelwood, MO 63042
Phone: (314) 656-1437

All About Glass

Arnold, MO
3.6
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Dependable Service
  • Pros icon Free Quotes
  • Pros icon Good Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Heavy Glass
  • Service icon Doors
  • Service icon Custom Windows
  • Service icon Aluminum Window Frames
  • Service icon Business Windows
  • Service icon Sliding Glass

Website: http://www.allaboutglassstl.com/
Address: 1339 Jeffco Blvd, Arnold, MO 63010
Phone: (636) 461-2900

Masonry & Glass Systems Inc

St. Louis, MO
3.6
★★★★★
  • Pros icon Helps Educate Customers
  • Pros icon Reliable Service
  • Pros icon No-Hassle Pricing
  • Pros icon Award-Winning

Services Offered

  • Service icon Custom Windows
  • Service icon Glass Showers
  • Service icon Sliding Glass
  • Service icon Double-Hung

Website: https://www.masonryglass.com/
Address: 1503 S Kingshighway Blvd, St. Louis, MO 63110
Phone: (314) 535-6515

Window Nation

Overland, MO
3.6
★★★★★
  • Pros icon Reliable Service
  • Pros icon Locally Recognized for Quality
  • Pros icon Good Customer Service
  • 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: https://www.windownation.com/stlouis-showroom/
Address: 1913 Belt Way Dr, Overland, MO 63114
Phone: (314) 279-8249

Sears Window Replacement

Bridgeton, MO
3.6
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon No-Hassle Pricing
  • Pros icon Helps Educate Customers
  • Pros icon Dependable Service

Services Offered

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

Website: https://www.searshomeservices.com/locations/hi/window-replacement/mo/bridgeton
Address: 12930 Hollenberg Dr, Bridgeton, MO 63044
Phone: (314) 325-8649

STL Windows and Doors

St. Louis, MO
3.6
★★★★★
  • Pros icon Free Quotes
  • Pros icon Reliable Appointment Windows
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

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

Website: https://stlwindowsanddoors.com/
Address: 12150 Lackland Rd, St. Louis, MO 63146
Phone: (314) 277-5952

Building Envelope Experts

Fenton, MO
3.6
★★★★★
  • Pros icon Consistent Workmanship
  • Pros icon Educational Website
  • Pros icon No-fee Quotes
  • Pros icon Excellent Customer Service

Services Offered

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

Website: https://www.buildingenv.com/
Address: 1576 Fencorp Dr Suite E, Fenton, MO 63026
Phone: (314) 310-7878

Missouri Glass Company

St. Louis, MO
3.4
★★★★★
  • Pros icon Excellent Customer Service
  • Pros icon Price Transparency
  • Pros icon Arrives on Time
  • Pros icon Reliable Service

Services Offered

  • Service icon Residential Windows
  • Service icon Heavy Glass
  • Service icon Tempered Glass
  • Service icon Custom Windows
  • Service icon Commercial Windows

Website: http://www.missouriglass.com/
Address: 1717 Ohio Ave, St. Louis, MO 63104
Phone: (314) 664-5100

Clear Window Technology

Ballwin, MO
3.4
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Reliable Service
  • Pros icon Excellent Customer Service
  • Pros icon Free Quotes

Services Offered

  • Service icon Architectural Glass
  • Service icon Custom Windows
  • Service icon Full-Service Installations
  • Service icon Double-Hung
  • Service icon Bay & Bow Windows

Website: http://www.clearwindowtech.com/
Address: 15009 Manchester Rd #267, Ballwin, MO 63011
Phone: (314) 966-2666

Lakeside Renovation & Design

Chesterfield, MO
3.4
★★★★★
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Helps Educate Customers
  • Pros icon Reliable Service

Services Offered

  • Service icon Custom Window Designs
  • Service icon Full-Service Installations

Website: https://lakesiderenovationanddesign.com/
Address: 139 Chesterfield Industrial Blvd, Chesterfield, MO 63005
Phone: (636) 978-5000

Gateway Glass

10+ years in business · Pacific, MO
3.4
★★★★★
  • Pros icon Educational Website
  • Pros icon Reliable Service
  • Pros icon Excellent Customer Service
  • Pros icon Price Transparency

Services Offered

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

Website: http://gateway-glass.com/
Address: 10+ years in business · Pacific, MO
Phone: (636) 271-9898

Same Day Door Service

Festus, MO
3.4
★★★★★
  • Pros icon Dependable Service
  • Pros icon No-Hassle Pricing
  • Pros icon No-fee Quotes
  • Pros icon Excellent Customer Service

Services Offered

  • Service icon Residential Windows
  • Service icon Custom Windows
  • Service icon Commercial Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://samedaydoor.net/
Address: 116 E Main St, Festus, MO 63028
Phone: (314) 246-0449

Alenco Inc.

Fenton, MO
3.3
★★★★★
  • Pros icon Arrives on Time
  • Pros icon Free Quotes
  • Pros icon Excellent Customer Service
  • Pros icon Price Transparency

Services Offered

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

Website: https://www.alenconline.com/remodelers-st-louis/
Address: 5 Cassens Ct, Fenton, MO 63026
Phone: (314) 480-6264

Banner Construction

St. Louis, MO
3.3
★★★★★
  • Pros icon Good Customer Service
  • Pros icon No-fee Quotes
  • Pros icon Reliable Service
  • Pros icon No-Hassle Pricing

Services Offered

  • Service icon Custom Window Designs
  • Service icon Full-Service Installations
  • Service icon Double-Hung

Website: https://bannerconstruction.com/
Address: 1177 N Price Rd, St. Louis, MO 63132
Phone: (314) 310-1133

How Installing Energy-Efficient Windows in Barnhart Saves You Money

When you upgrade to energy-efficient windows, you may see some perks, including:

  • Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which not only insulate your home better, but also filter out damaging UV rays, preventing your furniture, carpet and other valuables from fading.
  • Protect your investment: The older your home is, the more likely you are to benefit from switching to energy-efficient windows. Older homes tend to have windows that are outdated, drafty or maybe even damaged in some way. Upgrading your windows could help raise the value of your property if you decide to sell.
  • Reduce your carbon footprint: Because energy-efficient windows improve the insulation in your home, you can reduce your carbon footprint by about 12%, according to Energy Star.
  • Save on energy bills: Because energy-efficient windows decrease how much energy you need to heat or cool your home, they can help you save around $331 annually on your energy bills in Barnhart.

Estimated Cost of Window Replacement in Barnhart

Windows come in varying purposes, shapes and styles, so costs and services will vary tremendously depending on your project. Below, we detail the average cost and services that you can get from window replacement companies.

How Much Do New Windows Cost?

According to our research, the typical cost to replace a single window is around $600. However, window replacement costs can range from $200 to $1,200 for each window. How much it will cost you depends on several factors, like type, number of windows, size, material, the location of your home and more.

It's important to bear in mind that windows with higher efficiency may cost more upfront but can save you hundreds of dollars by lowering your energy bills. Investing in Energy Star certified windows can save Barnhart homeowners $331+ a year when replacing single-pane windows.

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

What Services do Window Installers Offer?

The first step when considering a replacement is to clarify whether you should get a full-frame or pocket installation.

Full-frame installations entail replacing the total window, including the trim, sill and frame. You most likely need a full-frame installation when you want a new style or your window has noticeable damage. Full-frame installations are more involved and will increase the overall cost. Pocket installations are simpler and won't carry as large a bill, as they entail merely replacing the window within its existing frame. But if the frame has any damage or deterioration, you should opt for a full-frame installation instead.

Your window installation company should be able to help you decide what's best for your needs. In Barnhart, the decision will mostly depend on how old your windows are and if there's any damage. Wood can decay if it's not maintained properly over the years, so it's good to have a professional assess your frames and window sills.

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Award-winning company
  • Member of US Green Building Council
  • Great industry reputation
  • No lifetime warranty

Best Affordability

Window World

★★★★★
4.5

  • Lifetime warranty
  • Large serice area
  • Low prices relative to competitors
  • Quality of service will depend on your area

Best for Residential Windows

Window Nation

★★★★★
4

  • Award-winning company
  • Manufactures products in-house
  • Wide variety of products and services
  • Limited service area

How We Choose the Best Window Installers in Barnhart

EcoWatch reviews are different from other reviews since we're examining these companies through a sustainability lens. We have reviewed the best window installers in Barnhart mostly based on energy efficiency, as it's what's best for the environment and for you as a homeowner. Energy-efficient windows can lower electricity bills by hundreds of dollars. Along with energy efficiency, our rating methodology considers the following factors:

Service Area

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

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 in our guide to ensure its technicians are well-qualified and that the company has gotten plenty 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 customer satisfaction. Customer satisfaction may be the factor we place the most value on, as it reflects the quality of services across most other categories, including cost, quality of installation, quality of parts, warranty, professionalism and more.

Cost

This one is a give-and-take: similar to other services, cheap window companies won't always provide the most quality service. Still, we want to ensure we're highlighting companies that provide a range of price and financing options so they're accessible to most homeowners.

Warranty

As discussed previously, windows are a considerable 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 installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

Lastly, we like to see companies that have been in the industry for a while. Window installers that have more experience earn higher rankings by our standards. We like to see at least ten years of experience.

Barnhart, MO Window Replacement FAQs

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

The national average cost of replacing a window is about $600 but can range from $200 to $1,200, depending on several factors. The price is generally dependent on the type and material of the window, the location of your property and the size of the window. Also, bear in mind that energy-efficient windows may cost more initially but can save you a decent amount of money a year in energy bills.

Which kind of window should I get?

A window's energy efficiency depends on several factors, such as the quality of the installation and the kind of window. Look for Energy Star Certified windows — these are typically the most energy-efficient and are certified by the U.S. Department of Energy.

When do I have to use a window installation company?

You should use a window installation professional whenever you need to upgrade your windows. Installing windows is a involved process that can be difficult to do on your own, so it's best handled by the professionals.

When is the best time of year to replace windows?

Although you can install windows any time of year, warmer weather is often better for replacing windows. In addition, the weather should be dry, since rain can make the installation harder.

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 your windows at the same time is the only way to gain that benefit. However, if you have just a few windows that are broken or leaky, you can replace just those.

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