21 Best Window Replacement Companies in Denver, NC (Dec 2022)
Window Companies Near Me

Are you thinking of replacing your windows? Our list of the best window installation companies can help you choose the right one for you.

We analyzed all the top window installers in Denver and selected the top 21 based on:

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

By EcoWatch Local Advisors

Updated 11/09/2022

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 top window installation companies in Denver 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 windows can cost you in electric 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 bad for both your bank account and the environment, but one of the top window installation companies can help you with that.

Efficient windows are of particular importance in Denver, where summers are long and hot. According to Energy Star, switching to energy-efficient windows can save the average homeowner up to $349 per year.

Best Affordability

Window World

★★★★★
4.5

  • Lifetime warranty
  • Great industry reputation
  • EnergyStar Partner
  • Quality of service will depend on your area

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Award-winning company
  • Great industry reputation
  • Manufactures products in-house
  • No lifetime warranty

Best for Residential Windows

Window Nation

★★★★★
4

  • Award-winning company
  • Custom designs
  • Wide variety of products and services
  • Installation not covered by warranty

Best Window Replacement Companies in Denver

The EcoWatch Reviews team evaluated many installers in Denver to find the top ones for our readers. The providers we've mentioned in this article passed our review standards for energy-efficient offerings as well as local expertise, price, customer service 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 Lifetime warranty
  • Pros icon Great industry reputation
  • Pros icon EnergyStar Partner
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 window installation company has been operating since 1995 and currently provides services to 200 locations nationwide. Hundreds of positive reviews from customers online back the company's reputation.

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, Window World may be the provider for you.

Energy Efficiency of Window World Windows

Window World offers some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to mention that you want high-quality 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 Denver?

Prices aren't mentioned on Window World's website, but it's known for offering some of the most affordable window installations around. If you'd like more accurate information, you can inquire about a quote on the company's website.

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 Great industry reputation
  • Pros icon Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty

Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This provider has 27 years of experience in the windows business, and it has established itself as one of the best companies in the business. The provider has a lot of positive reviews from customers online.

Andersen may be the company for you if you're interested in one 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 and offers a variety of energy-efficient windows. Note that not all of the company's windows are Energy Star certified, so be sure to ask your Andersen representative when inquiring about services.

How much does Renewal by Andersen cost in Denver?

Andersen does not list prices 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. The best way to get more accurate information is to ask for a free quote from the company.

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 Custom designs
  • Pros icon Wide variety of products and services
Cons:
  • Pros icon Installation not covered by warranty

Window Nation provides the best residential windows in Denver. It's a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. This company has 16 years of experience in the windows industry, and it has proved to be one of the most respected companies in the business.

It has established itself as a company 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 appeals to eco-conscious consumers by providing energy-efficient window offerings. 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 Denver?

Prices aren't listed on Window Nation's 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 window installation company has been operating since 2002 and currently provides services to 27 states nationwide. Many positive reviews on customer review websites back the provider'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 company for you.

Energy Efficiency of Universal Windows Direct Windows

There are a wide variety of window types available from Universal Windows Direct, 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 Denver?

While prices are not available on Universal's website, installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. If you'd like to know for sure, you can request a quote on the company's website.

Aeroseal Windows logo
FAST QUOTE
as little as 30 seconds
Best for Businesses

Aeroseal Windows

★★★★★
BBB Rating: A+
Locations: Regional
Founded: 1999
Pros:
  • Pros icon Many years of experience
  • Pros icon Great industry reputation
  • Pros icon Low number of customer complaints
  • Pros icon Manufactures products in-house
  • Pros icon Custom Designs
Cons:
  • Pros icon No lifetime warranty
  • Pros icon Not ideal for residential installations

Aeroseal Windows offers the best window installation for businesses in Denver. It's an installer that mainly serves commercial and multifamily properties, and also specializes in railings. If you’re looking for residential window installations, you should probably refer to one of the other companies on this list. This window installation company has been operating since 1999 and currently services 13 states and Washington D.C. Hundreds of positive reviews on customer review websites back the provider's reputation.

It installs windows and doors at businesses across the Eastern U.S.

Energy Efficiency of Aeroseal Windows Windows

Aeroseal Windows offers some Energy Star windows, but note that not all its windows are energy-efficient, so be sure to mention that you want high-quality Energy Star windows when inquiring. The company claims it helps businesses save on energy expenses and reduce their carbon footprints with energy-efficient windows, as well as practices like Low-E glass coating, weatherstripping and more.

How much does Aeroseal Windows cost in Denver?

While prices are not readily available on Aeroseal's website, it provides high-quality windows at a competitive price point. Getting a free quote on its website is the best way to get more accurate pricing information.

We try to stay unbiased and transparent by describing pros and cons for each company we review. Additionally, our rankings are not influenced by any partnerships.

More Window Replacement Companies in Denver

Carefree Coatings & Windows Charlotte

Charlotte, NC
4.1
★★★★★
  • Pros icon Helps Educate Customers
  • Pros icon Consistent Workmanship
  • Pros icon Price Transparency
  • Pros icon Locally Recognized for Quality

Services Offered

  • Service icon Residential Windows
  • Service icon Fast Delivery
  • Service icon Custom Windows
  • Service icon Double-Hung
  • Service icon Sliding Glass

Website: https://carefreecoatingsandwindows.com/
Address: 9705 Briarcrest Ct, Charlotte, NC 28269
Phone: (704) 610-3212

TruGuard

Matthews, NC
4.1
★★★★★
  • Pros icon Arrives on Time
  • Pros icon Excellent Customer Service
  • Pros icon Award-Winning
  • Pros icon No-Hassle Pricing

Services Offered

  • Service icon Glass Showers
  • Service icon Residential Windows
  • Service icon Energy-Efficient Options
  • Service icon Custom Windows
  • Service icon Commercial Windows

Website: https://www.truguardconstruction.com/
Address: 131 Matthews Station St #2a, Matthews, NC 28105
Phone: (704) 544-0455

The Window Source of the Carolinas

Charlotte, NC
4.0
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon Price Transparency
  • Pros icon Reliable Service
  • Pros icon Educational Website

Services Offered

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

Website: http://windowsourcecarolinas.com/
Address: 4111 Rose Lake Dr G, Charlotte, NC 28217
Phone: (704) 612-4156

Binswanger Glass Co

Newton, NC
4.0
★★★★★
  • Pros icon Arrives on Time
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Reliable Service

Services Offered

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

Website: https://www.binswangerglass.com/
Address: 410 N Spring Ave, Newton, NC 28658
Phone: (828) 464-3455

Binswanger Glass

Pineville, NC
4.0
★★★★★
  • Pros icon Reliable Appointment Windows
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Helps Educate Customers

Services Offered

  • Service icon Double-Hung
  • Service icon Doors
  • Service icon Full-Service Installations
  • Service icon Custom Windows
  • Service icon Residential Windows
  • Service icon Commercial Windows
  • Service icon Sliding Glass
  • Service icon Glass Showers

Website: https://www.binswangerglass.com/branch/pineville-nc-10822-pineville-rd-suite-c/
Address: 10822 Pineville Rd Unit C, Pineville, NC 28134
Phone: (704) 867-8966

World of Windows of The Carolinas

Perimeter Woods Dr, NC
3.9
★★★★★
  • Pros icon Gives to charity
  • Pros icon No-Hassle Pricing
  • Pros icon Award-Winning
  • Pros icon Good Customer Service

Services Offered

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

Website: https://www.windowscharlotte.com/
Address: 9100 A, Perimeter Woods Dr, Charlotte, NC 28216
Phone: (704) 921-9898

Emergency Glass Company

Mint Hill, NC
3.8
★★★★★
  • Pros icon Price Transparency
  • Pros icon Reliable Appointment Windows
  • Pros icon No-fee Quotes
  • Pros icon Good Customer Service

Services Offered

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

Website: http://emergencyglassclt.com/
Address: 8329 Fairview Rd, Mint Hill, NC 28227
Phone: (704) 249-6649

AAA Window Cleaning & Window Solutions

Fort Mill, SC
3.8
★★★★★
  • Pros icon Dependable Service
  • Pros icon Good Customer Service
  • Pros icon No-fee Quotes
  • Pros icon Timely Service

Services Offered

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

Website: http://www.aaawindowsolutions.com/
Address: 3581 Andrew L Tucker Rd, Fort Mill, SC 29715
Phone: (704) 544-8970

Binswanger Glass

Hickory, NC
3.8
★★★★★
  • Pros icon Excellent Customer Service
  • Pros icon No-Hassle Pricing
  • Pros icon Timely Service
  • Pros icon Helps Educate Customers

Services Offered

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

Website: https://www.binswangerglass.com/branch/hickory-nc-2245-us-highway-70-sw/
Address: 2245 U.S. Hwy 70 SW, Hickory, NC 28602
Phone: (828) 322-4241

G&S Contracting, Inc.

Mooresville, NC
3.7
★★★★★
  • Pros icon Price Transparency
  • Pros icon Dependable Service
  • Pros icon No-fee Quotes
  • Pros icon Good Customer Service

Services Offered

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

Website: https://gandscontracting.com/
Address: 742 N Broad St, Mooresville, NC 28115
Phone: (704) 663-7132

Karsey Glass

Charlotte, NC
3.7
★★★★★
  • Pros icon Dependable Service
  • Pros icon No-Hassle Pricing
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

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

Website: http://karseyglass.com/
Address: 4151 Revolution Pk Dr, Charlotte, NC 28217
Phone: (704) 529-6900

Southern Industries Home Improvements

Charlotte, NC
3.7
★★★★★
  • Pros icon Consistent Workmanship
  • Pros icon Educational Website
  • Pros icon No-fee Quotes
  • Pros icon Good Customer Service

Services Offered

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

Website: https://southernindustries.com/charlotte-nc/
Address: 4916 Sirus Ln, Charlotte, NC 28208
Phone: (704) 703-2616

Window Nation

Charlotte, NC
3.6
★★★★★
  • Pros icon Locally Recognized for Quality
  • Pros icon Helps Educate Customers
  • Pros icon Good Customer Service
  • Pros icon No-fee Quotes

Services Offered

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

Website: https://www.windownation.com/window-replacement-charlotte/
Address: 5900 Northwoods Business Pkwy Suite M, Charlotte, NC 28269
Phone: (704) 816-1720

Home Window Repair & Glass Replacement

Charlotte, NC
3.6
★★★★★
  • Pros icon Free Quotes
  • Pros icon Locally Recognized for Quality
  • Pros icon Dependable Service
  • Pros icon No-Hassle Pricing

Services Offered

  • Service icon Sliding Glass
  • Service icon Commercial Windows
  • Service icon Tempered Glass
  • Service icon Double-Hung

Website: https://argowindowrepair.com/north-carolina/window-repair-charlotte
Address: 10721 John Price Rd #1J, Charlotte, NC 28273
Phone: (704) 610-7676

Forever Windows

Statesville, NC
3.6
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Excellent Customer Service
  • Pros icon Free Quotes

Services Offered

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

Website: http://www.myforeverwindow.com/
Address: 1120 Barkley Rd N, Statesville, NC 28677
Phone: (980) 434-5347

Window World of Hickory

Hickory, NC
3.6
★★★★★
  • Pros icon No-Hassle Pricing
  • Pros icon Supports Charities
  • Pros icon Excellent Customer Service
  • Pros icon Consistent Workmanship

Services Offered

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

Website: https://www.windowworldhickory.com/
Address: 2401 U.S. Hwy 70 SW, Hickory, NC 28602
Phone: (828) 324-0307

Crown Builders

Charlotte, NC
3.4
★★★★★
  • Pros icon Educational Website
  • Pros icon No-Hassle Pricing
  • Pros icon Free Quotes
  • Pros icon Excellent Customer Service

Services Offered

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

Website: https://crownbuilders.com/
Address: 3111 Monroe Rd, Charlotte, NC 28205
Phone: (704) 375-2665

Arc Energy Systems

Charlotte, NC
3.4
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon Locally Recognized for Quality
  • Pros icon Helps Educate Customers
  • Pros icon Price Transparency

Services Offered

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

Website: http://www.arcenergysystems.com/
Address: Charlotte, NC
Phone: (980) 475-4757

Renewal by Andersen Window Replacement

Charlotte, NC
3.4
★★★★★
  • Pros icon Free Quotes
  • Pros icon Timely Service
  • Pros icon No-Hassle Pricing
  • Pros icon Consistent Workmanship

Services Offered

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

Website: https://charlottereplacementwindows.com/
Address: 4749 West Blvd, Charlotte, NC 28208
Phone: (704) 251-2642

Windows Doors & More Warehouse

Statesville, NC
3.4
★★★★★
  • Pros icon Helps Educate Customers
  • Pros icon No-Hassle Pricing
  • Pros icon Charitable Giving
  • Pros icon Excellent Customer Service

Services Offered

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

Website: https://www.wdmwarehouse.com/
Address: 1624 Northside Dr, Statesville, NC 28625
Phone: (704) 872-6277

Mooresville Window Pros

Mooresville, NC
3.3
★★★★★
  • Pros icon No-fee Quotes
  • Pros icon Locally Recognized for Quality
  • Pros icon No-Hassle Pricing
  • Pros icon Consistent Workmanship

Services Offered

  • Service icon Business Windows
  • Service icon Full-Service Installations
  • Service icon Custom Windows

Website: http://www.mooresvillewindowpros.com/
Address: 156 N Broad St unit b, Mooresville, NC 28115
Phone: (704) 486-9100

How Installing Energy-Efficient Windows in Denver Saves You Money

Upgrading to energy-efficient windows can improve the comfort of your home and help you save on power bills. Here's more information on how upgrading your windows could help you:

  • Save money on power bills: The Department of Energy estimates that heat gained or lost through windows makes up about 25-30% of household energy use. Switching to energy-efficient windows can help reduce that number, which helps you save more on your bills.
  • Protect your investment: The older your home is, the more likely it is that switching to energy-efficient windows will benefit you. Older homes usually have windows that are outdated, drafty or maybe even damaged in some way. Upgrading your windows could help raise the value of your home if you decide to sell.
  • Protect your valuables from fading: The low-emissivity coatings on some energy-efficient windows filter out damaging UV rays, preventing fading of your furniture, carpet and other valuables.
  • Decrease your carbon footprint: Reducing the amount of energy you use also lowers your carbon emissions. You could reduce it by about 345 pounds.

Estimated Cost of Window Replacement in Denver

When considering window installation, each company offers different services and prices. Let's look at some typical costs and services.

How Much Do New Windows Cost?

The average cost to install a single window is about $600 but can range from $200 to $1,200. But costs differ considerably depending on the size of your home, complexity of the installation, your location and the quality of the company you choose. Many window companies also offer door installations and replacements, which have a higher price tag.

Whether or not you want to install energy-efficient windows is another factor that will determine the cost. These will usually cost more than other windows, but on the other hand, you can save about $349 a year on your energy bills in Denver.

We recommend requesting free quotes from several window installation companies to find the one that works best for you.

What Services do Window Installers Offer?

In general, there are two types of window installation services you can get: full-frame and pocket installations.

Full-frame installations involve replacing the full window, including the trim, sill and frame. Full-frame installations are necessary when you want a new style or your window has noticeable rot. Full-frame installations are more involved and will raise the overall cost. Pocket installations are simpler and won't carry as large a bill, as they involve 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.

If you're still trying to decide which type of installation to get, you can talk to your provider and get their recommendation. The choice mostly depends on the age of your window frames and if there's any damage present.

Best Affordability

Window World

★★★★★
4.5

  • Lifetime warranty
  • Great industry reputation
  • EnergyStar Partner
  • Quality of service will depend on your area

Best Overall

Renewal by Andersen

★★★★★
4.5

  • Award-winning company
  • Great industry reputation
  • Manufactures products in-house
  • No lifetime warranty

Best for Residential Windows

Window Nation

★★★★★
4

  • Award-winning company
  • Custom designs
  • Wide variety of products and services
  • Installation not covered by warranty

How We Choose the Best Window Installers in Denver

In our hunt to make your home improvements easier and more eco-friendly in Denver, EcoWatch chose the above companies as the top window installation companies in the city. We've evaluated the best window replacement companies in Denver mostly based on energy efficiency, as it's what's best for the environment and for you as a homeowner. Energy Star certified windows can reduce your electricity bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

Service Area

Since this is a guide for Denver, we only included companies that provide services to the city. There are certainly reputable providers that didn't make the cut because they wouldn't be able to serve homeowners in Denver.

Work Quality

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

Customer Reviews

Another self-explanatory yet super important review factor is customer feedback. If the majority of customers don't have positive things to say about their service from a certain window installation company, you won't see it featured on EcoWatch.

Cost

This one is a give-and-take: as with other services, cheap window installation companies may not provide the most quality service. On the other hand, 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

Protecting your investment in new windows is important to many homeowners. That's why 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 installation companies that have more experience earn higher rankings by our standards. We like to see at least ten years of experience.

Denver, NC Window Replacement FAQs

What is the average cost to install windows?

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

What kind of window is the most energy-efficient?

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

Do you really have to use a window installation company?

You should use a window installation professional whenever you want to replace 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.

How often should you replace your windows?

Windows have an average lifespan of about 20 to 30 years. If your windows are older than that, then they probably need to be replaced. Apart from that, if your windows have any damage on them, or they have become difficult to operate, they may need to be replaced.

Should I replace my windows all at once?

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

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