20 Best Window Companies in Danbury, CT (2024 Reviews)

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

We analyzed all the top-rated window companies in Danbury 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 February 01, 2024

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.

Whether you're updating for aesthetics or have old windows, windows play a vital role in conserving energy in your home. Drafty windows could lead to having higher electric bills during the winter or summer months.

That’s not great for your wallet or the environment, but one of the top window installation companies can help you with that.

Unlike other sites, EcoWatch ranks window replacement companies on energy efficiency while also taking into consideration cost, customer satisfaction and service area.

Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house
Buy One Window, Get One 40% OFF
Get Estimate

Best Energy-Efficient Features

Champion

★★★★★
4.5
  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty
Buy 2 Windows, Get 2 Free
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best Window Installation & Replacement Companies in Danbury

The EcoWatch team researched dozens of window providers across Danbury to narrow our list down to the top ones. The providers in this article scored the best in our review categories, such as energy-efficient offerings, availability, customer service, local expertise, price 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 offers windows expertise in Danbury. This company has 27 years of experience in the windows industry, and it has proved to be one of the most respected companies in the business. Its reputation is backed by hundreds of positive reviews from customers online.

You may want to consider going with Window World if you're interested in 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’s commitment to sustainability can be seen in its 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 Danbury?

Window World does not detail prices on its website, but it's known for offering some of the most affordable window installations around. If you’d like to know for sure, you can get 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 Great industry reputation
  • Pros icon Award-winning company
  • Pros icon Member of US Green Building Council
  • Pros icon Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty
  • Pros icon More expensive than competition

Renewal by Andersen offers the best availability in Danbury. This company has 27 years of experience in the windows industry, and it has proved to be one of the most respected companies in the business. Its reputation is backed by hundreds of positive reviews from customers online.

You may want to consider going with Andersen if you're interested in a company 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’s commitment to sustainability can be seen in its energy-efficient window offerings. 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.

How much does Renewal by Andersen cost in Danbury?

Andersen does not detail 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. If you’d like to know for sure, you can get 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 Danbury. This company has 23 years of experience in the windows industry, and it has proved to be one of the most respected companies in the business. Its reputation is backed by hundreds of positive reviews from customers online.

You may want to consider going with Aeroseal if you're interested in a company that installs windows and doors at businesses across the Eastern U.S.

Energy Efficiency of Aeroseal Windows Windows

Aeroseal Windows’s commitment to sustainability can be seen in its energy-efficient window offerings. 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 Danbury?

Aeroseal does not detail prices on its website, but it provides high-quality windows at a competitive price point. If you’d like to know for sure, you can get a quote on the company’s website.

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

Window Nation offers the best residential windows in Danbury. 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. Its reputation is backed by hundreds of positive reviews from customers online.

You may want to consider going with Window Nation if you're interested in 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’s commitment to sustainability can be seen in its 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 Danbury?

Window Nation does not detail prices 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. If you’d like to know for sure, you can get a quote on the company’s website.

We aim to stay unbiased and transparent by listing pros and cons for each company. Additionally, any partnerships do not influence our reviews.

More Window Companies in Danbury

Renewal by Andersen

Stamford, CT
4.7
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Double-Hung
  • Service icon Window Replacement/Installation
  • Service icon Bay Windows
  • Service icon Skylights
  • Service icon Glass Doors

Website: https://www.renewalbyandersen.com/window-company/710-westchester/retailer
Address: 421 West Ave Building 1, Stamford, CT 06910
Phone: (203) 406-0545

Window World of the Hudson Valley

Wappingers Falls, NY
4.8
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Doors
  • Service icon Vinyl Frames
  • Service icon Bay Windows
  • Service icon Double-Hung
  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options

Website: https://www.windowworldhudsonvalley.com/
Address: 1315 US-9 #201, Wappingers Falls, NY 12590
Phone: (845) 595-8200

Window Nation

Wallingford, CT
4.7
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Custom Window Designs
  • Service icon Bay Windows
  • Service icon Double-Hung
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: https://www.windownation.com/hartford-ct-showroom/
Address: 1070 N Farms Rd Unit 1, Wallingford, CT 06492
Phone: (475) 253-0015

Window Depot USA of Southern CT

Trumbull, CT
5.0
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Bay Windows
  • Service icon Double-Hung
  • Service icon Vinyl Frames
  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Triple Pane Glass

Website: http://windowdepotsouthernct.com/
Address: 5726 Main St STe 2a, Trumbull, CT 06611
Phone: (203) 309-6027

HPM Craftsmen

Holmes, NY
4.6
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation

Website: https://www.hpmcraftsmen.com/
Address: 5 Milltown Rd Suite A, Holmes, NY 12531
Phone: (845) 878-3004

Glass Guys

Ridgefield, CT
3.0
★★★★★
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Showers
  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options
  • Service icon Mirrors

Website: https://www.glass-guys.com/
Address: 4 Danbury Rd, Ridgefield, CT 06877
Phone: (203) 431-7022

Bert Falsetti's Home Improvement LLC

Shelton, CT
5.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Timely Service
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

  • Service icon Double-Hung
  • Service icon Vinyl Frames
  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options

Website: http://bertfalsettillc.wix.com/falsetti
Address: 56 Woodfield Dr, Shelton, CT 06484
Phone: (203) 258-5177

Pella Windows & Doors of Norwalk

Norwalk, CT
4.8
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Bay Windows
  • Service icon Double-Hung
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: https://www.pellabranch.com/hartford/showrooms/norwalk/
Address: 464 Main Ave, Norwalk, CT 06851
Phone: (203) 846-9450

Superior Windowland

Newtown, CT
2.8
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

  • Service icon Double-Hung
  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation

Website: https://superiorwindowland.com/
Address: 3 Simm Ln, Newtown, CT 06470
Phone: (203) 479-9703

Tactical Construction Services

Danbury, CT
2.8
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options

Website: http://tacticalconstructionsvcs.com/
Address: 46 Federal Rd, Danbury, CT 06810
Phone: (800) 816-4501

Jilco Window Corp.

Granite Springs, NY
4.7
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Doors
  • Service icon Window Replacement/Installation
  • Service icon Vinyl Frames
  • Service icon Energy-Efficient Options
  • Service icon Skylights

Website: https://www.jilcowindow.com/
Address: 135 Mahopac Ave, Granite Springs, NY 10527
Phone: (914) 248-6100

Exterior Works, LLC.

Monroe, CT
2.9
★★★★★
  • Pros icon Free assessment
  • Pros icon Timely Service
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Energy-Efficient Options

Website: https://www.exteriorworks.com/
Address: 601 Main St, Monroe, CT 06468
Phone: (203) 673-4798

Home Services at The Home Depot

New Milford, CT
2.7
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation
  • Service icon Glass Showers
  • Service icon Glass Doors

Website: https://www.homedepot.com/l/New-Milford/CT/New-Milford/06776/4878/services
Address: 104 Danbury Rd, New Milford, CT 06776
Phone: (860) 317-0153

Aesthetic Renovations

Bedford, NY
3.4
★★★★★
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Window Repair

Website: http://aestheticrenovations.com/
Address: 40 Village Green Box 469, Bedford, NY 10506
Phone: (914) 707-0059

Putnam Windows Inc.

Cold Spring, NY
4.9
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Wood Frames
  • Service icon Glass Doors
  • Service icon Vinyl Frames
  • Service icon Window Replacement/Installation

Website: http://putnamwindows.com/
Address: 2560 US-9, Cold Spring, NY 10516
Phone: (845) 265-4382

Westchester Window

Thornwood, NY
4.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Wood Frames
  • Service icon Energy-Efficient Options
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: http://www.westchesterwindow.com/
Address: 51 Kensico Rd b, Thornwood, NY 10594
Phone: (914) 310-4421

Town & Country Glass Shop llc | Custom Shower Door & Window Supplier

Woodbury, CT
3.4
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Mirrors
  • Service icon Window Replacement/Installation
  • Service icon Glass Showers

Website: http://townandcountryglassshop.com/
Address: 244 Main St N, Woodbury, CT 06798
Phone: (203) 263-4527

Woodbury Supply Company, Inc.

Oxford, CT
3.1
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Skylights
  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation

Website: https://www.woodburysupply.com/
Address: 103 Willenbrock Rd, Oxford, CT 06478
Phone: (800) 562-9679

Windows By Toll

Stamford, CT
4.8
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Double-Hung
  • Service icon Glass Showers
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Bay Windows

Website: https://windowsbytoll.com/
Address: 226 Selleck St, Stamford, CT 06902
Phone: (203) 404-0403

Naugatuck Window & Glass

Naugatuck, CT
4.3
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

  • Service icon Glass Showers
  • Service icon Glass Doors
  • Service icon Mirrors
  • Service icon Energy-Efficient Options
  • Service icon Custom Glass
  • Service icon Window Replacement/Installation
  • Service icon Skylights

Website: http://www.naugatuckwindowandglass.com/
Address: 253 Prospect St, Naugatuck, CT 06770
Phone: (203) 729-4536
Danbury Window Cost Calculator

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

By switching to energy-efficient windows, you and your family can benefit in several ways, including:

  • Save money on electricity bills: Because energy-efficient windows reduce how much energy you need to heat or cool your home, they can help you save around $441 annually on your energy bills in Danbury.
  • Reduce your carbon footprint: In Danbury, you can reduce your indirect greenhouse gas emissions by about 147 pounds per year once you install energy-efficient windows.
  • Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
  • Protect your investment: If you have an older home, your windows are most likely in need of replacement. Updating your windows can improve the insulation in your home and also help increase the value of your property if you decide to sell.

Estimated Cost of Window Replacement in Danbury

When researching window installation, each company provides varying services and prices. Let’s look at some average costs and services.

How Much Do New Windows Cost?

Typically, homeowners in Danbury can expect that most window installations will cost between $250 and $1,200, with the most common installations sitting at around $600. But costs will differ considerably based on your location, the current condition of your home, the number of windows you need and the quality of your products. A lot of window companies also offer replacement door installations and other add-ons like baths, shutters, coating and more. Additional services will increase your overall project costs.

Whether or not you pick energy-efficient windows is another factor that will affect the cost. These will typically cost more than other windows, but on the other hand, you can save about $441 a year on your energy bills in Danbury.

Getting free quotes from multiple 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 of a window installation is to figure out whether you want a full-frame or pocket installation.

Full-frame installations entail replacing the full window, including the trim, sill and frame. Full-frame installations are necessary when you want to change the style of your windows or your window has considerable damage. These installations are more involved and will increase overall costs. Pocket installations are on the simpler end and won’t cost as much because they entail merely replacing the window within its existing frame. But if the frame has any damage or rot, you may have to get a full-frame installation instead.

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

Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great industry reputation
  • Member of US Green Building Council
  • Manufactures products in-house
Buy One Window, Get One 40% OFF
Get Estimate

Best Energy-Efficient Features

Champion

★★★★★
4.5
  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty
Buy 2 Windows, Get 2 Free
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

How We Choose the Best Window Installers in Danbury

In our search to find the most reliable, eco-friendly window installers in Danbury, the EcoWatch team chose the above companies as the best window installation companies in the city. We have decided to review the top window installation companies in Danbury primarily based on energy efficiency, as it’s what’s best for the environment and for you as a homeowner. Energy Star certified windows have been shown to lower power bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

Service Area

This one is pretty self-explanatory, but we’ve chosen to highlight window installers that serve a wide variety of states and cities so you can find the right window installation company near you.

Work Quality

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

Customer Reviews

We analyzed trends in recent customer feedback to determine the companies with the most customer satisfaction, weighted by sample size. Customer satisfaction may be the most important factor, as it reflects the quality of services across most other categories, including cost, quality of parts, professionalism, quality of installation, warranty and more.

Cost

Cheaper windows certainly don’t mean better windows, but we know many of our readers would like to keep costs as low as possible. When analyzing providers’ prices, we gave higher scores to companies with reasonable prices and accessible financing rather than “cheaper” services.

Warranty

As discussed, windows are a significant investment, so you’ll want to make sure that investment is well protected. Window installation companies that give you lengthy warranties for products, parts and labor rank higher with EcoWatch.

Years of Experience

Lastly, we like to see companies that have been in the industry for quite some time. Window installation companies that have more years of experience will earn higher rankings by our standards. We like to see at least ten years of experience.

Danbury, CT Window Replacement FAQs

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

The national average cost to install a single window is about $600 but can range from $200 to $1,200, based on a few different factors. The price is usually influenced by the type and material of the window, the location of your property and the size of the window. Also, keep in mind that energy-efficient windows may cost more upfront but can save you hundreds of dollars a year in energy bills.

Which kind of window is the best?

Generally, double-pane windows will be more efficient than single-pane windows and windows that do not open will be more efficient than windows that do. If you want to be sure you’ll get the most energy-efficient windows, look for models with the blue Energy Star certification attached to them — they’re certified energy-efficient by the U.S. Department of Energy.

Can I replace my own windows?

Even though you can install your own windows, doing so is time-consuming and requires a lot of handiness. Hiring a professional can help guarantee that the job is done properly and that you can avoid spending the time and effort of doing it yourself.

How often do you need to replace windows?

Windows usually last about 20 to 30 years, but anytime you notice damage on your windows, it’s a good time to have them checked by an expert to see if they need any repairs or replacements.

Should I replace all my windows at the same time?

If your windows are greater than 20 years old, it’s most likely time to replace all of them. At that point, they are usually less efficient, leakier and/or more damaged than new windows. Replacing your windows all at once will involve less paperwork and less stress.