21 Best Window Replacement Companies in Denver, NC (2023 Reviews)
Window Companies Near Me

Thinking about replacing your windows? We've got all the information you need in this list of the top window installation companies.

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 March 14, 2023

Why you can trust EcoWatch

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

Although environmentally friendly energy sources like wind and solar are important when it comes to reducing your carbon footprint, improving your home's energy efficiency can also have a big impact on home energy conservation. Traditional, outdated windows can cost you in electric bills. As a matter of fact, the Department of Energy estimates that about 30% of your home's heat or cool air could be lost through your windows.

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

So if you're constructing a new home, renovating or updating your windows in Denver, you've found the best place to get started.

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 dozens of window installation companies across Denver to narrow our list down to the top ones. We assessed the providers based on energy-efficient offerings, price, customer service, coverage area, local experience 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 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.

One thing to note is that the following companies are national, which means the quality of customer service may vary depending on your local team. We have tried to be unbiased and transparent by describing both pros and cons for each provider.

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

Energy-efficient windows can benefit you in several ways. Here are a few reasons you may want to consider making the switch:

  • Protect your investment: When you have an older home, your windows could also be outdated or damaged. Keeping your windows up to date is an important part of maintaining your property and its real estate value.
  • Save money on electricity bills: Because energy-efficient windows decrease how much energy you need to heat or cool your home, they can help you save about $333 annually on your energy bills in Denver.
  • Reduce your carbon footprint: Decreasing the amount of energy you use also lowers your indirect greenhouse gas emissions. You could reduce it by 345 pounds per year on average.
  • Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which filter out harmful UV rays, reducing fading of your furniture, carpet and other valuables.

Estimated Cost of Window Replacement in Denver

When researching window installation, each company offers varying services and costs. Let's go over some average costs and services.

How Much Do New Windows Cost?

Typically, Denver homeowners can expect their window replacements to range from $250 to $1,200. The average cost sits at about $600. But prices vary 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 replacements, which carry a higher price tag.

Whether or not you choose energy-efficient windows is another factor that will affect the cost. These will usually cost more than other windows, but on the other hand, you can save about $333 a year on your energy bills in Denver.

Costs will also vary depending on the material you choose for your window frames. Aluminum frames have the lowest price. They're sturdy, light and maintenance-free, but offer poor insulation. Vinyl frames are somewhat expensive and offer good insulation. Composite frames made with wood fibers encased in plastic also offer good insulation and are moderately expensive. Wood frames cost the most and are the most in-demand. They're also aesthetically pleasing and offer decent insulation for your home.

What Services do Window Installers Offer?

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

Full-frame installations involve replacing the entire window — the sill, frame, trim and all. These are most common when you want a different style for your windows or when it has a great amount of damage. Full-frame installations require more time and labor and will increase overall costs. Pocket installations are on the simpler end and won't carry as large a bill because they involve merely replacing the window within its existing frame. But if the frame has any damage, you should opt for a full-frame installation instead.

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

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

EcoWatch reviews are different from most reviews since we look at these companies through a sustainability lens. Along with energy efficiency, we evaluated several window installers in Denver and assigned rankings based on the following methodology:

Service Area

Since this is a guide for Denver, we gave more points to companies that cover the city. There are certainly reputable providers that didn't make our list because they wouldn't be able to serve homeowners in Denver.

Work Quality

We're willing to bet that you're looking for professionals who do a great job installing windows. We've vetted each installer featured on this list to make sure its technicians are well-qualified and that the company has received plenty of positive customer feedback to vouch for its service.

Customer Reviews

We analyzed trends in recent online reviews to determine the companies with the most customer satisfaction. Customer satisfaction may be the most important factor, as it reflects the quality of services across nearly every category, including warranty, quality of parts, cost, professionalism, quality of installation and more.

Cost

This one is a give-and-take: similar to other services, cheap window companies are not going to provide the highest quality service. Still, we want to make sure we're highlighting companies that provide a wide range of price and financing options so they're accessible to most homeowners.

Warranty

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

Years of Experience

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

Denver, NC Window Replacement FAQs

How much does a window install cost?

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

What kind of window is the most energy-efficient?

A window's energy efficiency depends on a number 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 and are certified by the U.S. Department of Energy.

What do window installers do?

Window installation companies cover the entire process — from replacing your old windows with new ones to cleaning up after the installation. In addition, many companies offer window manufacturing, customization and repairs.

What time of year should I replace my windows?

Replacement windows can be installed during any season, but autumn might be best. No matter when you install them, the contractors will take steps to make sure that too much hot or cold air doesn't get into the home, so the temperature outside doesn't necessarily matter that much. What's more important than the temperature is that the weather should be dry.

How do you know it's time to replace your windows?

Windows have an average lifespan of about 20 to 30 years. If your windows are older than that, they should probably be replaced. Other than that, if your windows have damage anywhere on them, or they have become difficult to operate, they may be in need of replacement.

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