20 Best Window Companies in DeForest, WI (2025 Reviews)

When you need to upgrade your windows, our reviews of the best window installation companies can help you find the right provider for you.

We analyzed all the top-rated window companies in DeForest 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 January 24, 2025

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 doing home renovations or have windows that need repairs, windows play a key role in conserving energy in your home. During the cold winter months, the last thing you want is your heat to leak out of your drafty windows.

Thankfully, saving you money with more efficient windows also aligns with our goals of conserving energy and the resources it takes to produce it.

Efficient windows are of particular importance in DeForest, where winters are long and cold. According to Energy Star, making the switch to energy-efficient windows can save the average homeowner up to $505 per year.

Advertisement

Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great Industry Reputation
  • Award-winning Company
  • Member of US Green Building Council
  • Manufactures products in-house
Save $375 Off Each Window
Get Estimate

Best Energy-Efficient Features

Champion

★★★★★
4.5
  • Many years of experience
  • Low prices relative to competitors
  • Limetime warranty
Save 35% + $100 off per window!
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 DeForest

The EcoWatch Reviews team examined dozens of window providers in DeForest to find the best ones for our readers. We assessed the providers on their energy-efficient offerings, coverage area, customer service, local experience, price and more.

Window World logo
Best Affordability

Window World

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

Window World is the largest window replacement company in the country, known for its vinyl windows and affordability. This window installation company has been operating since 1995 and currently serves 200 locations nationwide.

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 is an Energy Star partner offering a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so make sure to mention that you want energy-efficient windows to your Window World representative when inquiring about services.

How much does Window World cost in DeForest?

Prices are not available on Window World’s website because the cost of window installment varies greatly based on how many and what type(s) of windows you need. However, 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
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 is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This window installation company has been operating since 1995 and currently serves nearly every state except Mississippi and West Virginia.

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

Energy Efficiency of Renewal by Andersen Windows

Renewal by Andersen is an Energy Star partner offering a variety of energy-efficient windows that are Energy Star certified. Note that not all of the company’s windows are Energy Star certified, so make sure to mention that you want energy-efficient windows to your Andersen representative when inquiring about services.

How much does Renewal by Andersen cost in DeForest?

Prices are not available on Andersen’s website because the cost of window installment varies greatly based on how many and what type(s) of windows you need. However, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. If you’d like to know for sure, you can get a quote on the company’s website.

We strive to be unbiased and transparent by describing pros and cons for every company we review. Additionally, our rankings are not affected by any partnerships.

More Window Companies in DeForest

Renewal by Andersen

Madison, WI
5.0
★★★★★
  • 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 Window Replacement/Installation
  • Service icon Double-Hung
  • Service icon Glass Doors
  • Service icon Custom Window Designs
  • Service icon Skylights

Website: https://www.renewalbyandersen.com/window-company/115-madison-wi/retailer
Address: 5960 Odana Rd #100, Madison, WI 53719
Phone: (608) 442-0032

Champion Replacement Windows of Madison

Madison, WI
4.1
★★★★★
  • Pros icon Limited lifetime warranty
  • Pros icon Good Customer Service
  • Pros icon Transparent pricing and no hidden fees
  • Pros icon All products made or sourced in the USA
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

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

Website: https://www.championwindow.com/Madison/
Address: 5321 Voges Rd, Madison, WI 53718
Phone: (608) 205-4829

Exceptional Exteriors LLC

Stoughton, WI
5.0
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Glass Doors

Website: http://www.exceptionalremodeling.com/
Address: 441 Glacier Moraine Dr Unit 10, Stoughton, WI 53589
Phone: (608) 354-6887

Home Window Repair & Replacement

Germantown, WI
5.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Repair
  • Service icon Wood Frames
  • Service icon Metal Frames
  • Service icon Storm/Impact Windows
  • Service icon Tempered Glass
  • Service icon Double-Hung
  • Service icon Window Repair
  • Service icon Screen Repair
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation
  • Service icon Vinyl Frames
  • Service icon Energy-Efficient Options

Website: https://argowindowrepair.com/wisconsin/window-repair-germantown
Address: N128W18368 Holy Hill Rd, Germantown, WI 53022
Phone: (262) 444-0916

Infinity Exteriors

Madison, WI
4.9
★★★★★
  • Pros icon 3D home visualizer
  • Pros icon Good Customer Service
  • Pros icon Lifetime workmanship warranty
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Free in-home consultations and estimates

Services Offered

  • Service icon Wood Frames
  • Service icon Window Replacement/Installation
  • Service icon Bay Windows
  • Service icon Energy-Efficient Options

Website: https://www.infinityroofing.com/HQ/Madison
Address: 2830 Progress Rd, Madison, WI 53716
Phone: (608) 909-6362

Wisco Roofing and Windows

Janesville, WI
4.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

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

Website: https://www.wiscoroofing.com/
Address: 1507 Plainfield Ave, Janesville, WI 53545
Phone: (608) 563-0542

Total Glass And Paint

Hartford, WI
4.9
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment

Services Offered

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

Website: http://totalglassservice.net/
Address: 841 Grand Ave, Hartford, WI 53027
Phone: (262) 673-4090

Zenith Roofing and Construction

Waukesha, WI
4.9
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Skylights

Website: http://zenithroofingco.com/
Address: 1343 Ellis St, Waukesha, WI 53186
Phone: (414) 544-4156

Epic Painting & Exteriors

Madison, WI
4.8
★★★★★
  • Pros icon Full-service exterior remodeling
  • Pros icon Educational Website
  • Pros icon Online home visualizer
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Energy-efficient

Services Offered

  • Service icon Window Replacement/Installation

Website: http://www.epic-painting.com/
Address: 4611 Dovetail Dr Unit 20, Madison, WI 53704
Phone: (608) 446-2322

City Glass Company, Inc.

Janesville, WI
4.8
★★★★★
  • Pros icon Educational Website

Services Offered

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

Website: http://cityglasswisconsin.com/
Address: 2536 Center Ave, Janesville, WI 53546
Phone: (608) 754-4411

Pella Windows & Doors of Brookfield

Brookfield, WI
4.8
★★★★★
  • 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 Double-Hung
  • Service icon Glass Doors
  • Service icon Custom Window Designs
  • Service icon Window Replacement/Installation

Website: http://pella.com/
Address: 19030 W Bluemound Rd, Brookfield, WI 53045
Phone: (262) 783-6600

Nextech Glass

Waukesha, WI
4.7
★★★★★
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation

Website: http://www.nextechglass.com/
Address: 2100 Pewaukee Rd, Waukesha, WI 53188
Phone: (414) 409-7263

A M Construction

West Bend, WI
4.7
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Timely Service

Services Offered

  • Service icon Window Replacement/Installation

Website: http://amconstinc.com/
Address: 2605 S Main St, West Bend, WI 53095
Phone: (262) 338-0645

Martin Glass Company

Madison, WI
4.6
★★★★★
  • Pros icon Free assessment

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Glass Showers
  • Service icon Tempered Glass
  • Service icon Glass Doors
  • Service icon Window Repair
  • Service icon Mirrors
  • Service icon Screen Repair
  • Service icon Storm/Impact Windows
  • Service icon Energy-Efficient Options

Website: https://martinglassmadison.com/
Address: 2323 Atwood Ave, Madison, WI 53704
Phone: (608) 249-0438

Steadfast Remodeling, Inc.

Mauston, WI
4.6
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment

Services Offered

  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: http://www.steadfastremodeling.net/
Address: 906 La Crosse St, Mauston, WI 53948
Phone: (608) 547-8086

Window World of Fond du Lac

Fond du Lac, WI
4.6
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

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

Website: https://www.windowworldfonddulac.com/
Address: 235 Morris St, Fond du Lac, WI 54935
Phone: (920) 923-4189

Mad City Windows & Baths

Madison, WI
4.5
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

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

Website: https://www.madcitywindows.com/
Address: 5020 Voges Rd, Madison, WI 53718
Phone: (608) 453-6866

Pella Windows & Doors of Madison

Madison, WI
4.5
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Wood Frames
  • Service icon Custom Window Designs
  • Service icon Double-Hung
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: http://pella.com/
Address: 2101 W Beltline Hwy, Madison, WI 53713
Phone: (608) 271-6800

Brunke Glass & Window Co Inc

Madison, WI
4.4
★★★★★

    Services Offered

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

    Website: http://www.brunkeglass.com/
    Address: 6702 Watts Rd, Madison, WI 53719
    Phone: (608) 271-3155

    Hometown Glass & Improvement Inc

    Beaver Dam, WI
    4.4
    ★★★★★
    • Pros icon Educational Website
    • Pros icon Price Transparency
    • Pros icon Free assessment
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Window Replacement/Installation
    • Service icon Glass Doors
    • Service icon Glass Showers
    • Service icon Glass Repair

    Website: http://hometownglass.com/
    Address: N7171 Raceway Rd, Beaver Dam, WI 53916
    Phone: (920) 887-3757
    DeForest Window Cost Calculator

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

    When you switch to energy-efficient windows, you may see several perks, such as:

    • Protect your valuables from fading: When you upgrade to energy-efficient windows with low-emissivity coatings, your floors, carpets and furniture will fade less due to their ability to filter out harmful UV rays.
    • Save money on energy bills: Once you install energy-efficient windows, you can see a reduction in your bills by about 12% since you’ll use less energy to heat or cool your home.
    • Decrease your carbon footprint: You can reduce your carbon footprint by about 12% when you install Energy Star certified windows. In DeForest, that’s about 715 pounds per year on average.
    • Protect your investment: Upgrading your windows is an important part of maintaining your property and its real estate value, particularly if you have an older home.

    Estimated Cost of Window Replacement in DeForest

    Each window replacement company offers various services and has varying costs depending on a few factors.

    How Much Do New Windows Cost?

    The national average cost to install a single window is about $600 but can range from $200 to $1,200. These figures are based on the specifics of your installation, like type, size, material, the location of your home, number of windows and more.

    It’s also worth noting that energy-efficient windows will typically cost more upfront, but Energy Star estimates that switching out the windows on your DeForest home translates to an average energy savings of $236 to $319 each year for single-pane window replacement, or between $87 to $126 per year for double-pane windows. The amount of money you’ll save by switching to energy-efficient windows varies based on your local climate, energy rates and other factors unique to your home.

    Costs will also vary depending on the material of your frame. Aluminum frames are the least expensive. They’re sturdy, light and maintenance-free, but provide poor insulation. Vinyl frames are a bit more expensive and provide good insulation. Composite frames made from 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?

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

    Full-frame installations entail replacing the total window, including the sill, trim and frame. You most likely need a full-frame installation when you want to change the style of your windows or your window has noticeable rot. Because these installations are more involved, they will raise the total cost. A pocket installation means replacing a window within the existing frame, which is generally less expensive than a full-frame installation.

    If you’re not sure which type of window installation service you should get, your installer should be able to assist you. Generally, the decision is influenced by factors like the age and condition of the home, the type of building material, budget and time restrictions.

    Advertisement

    Best Availability

    Renewal by Andersen

    ★★★★★
    4.5
    • Great Industry Reputation
    • Award-winning Company
    • Member of US Green Building Council
    • Manufactures products in-house
    Save $375 Off Each Window
    Get Estimate

    Best Energy-Efficient Features

    Champion

    ★★★★★
    4.5
    • Many years of experience
    • Low prices relative to competitors
    • Limetime warranty
    Save 35% + $100 off per window!
    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 DeForest

    In our search to find the most reliable, eco-friendly window installers in DeForest, EcoWatch assessed many companies before deciding on these. We’ve reviewed the top window installation companies in DeForest mainly based on their energy efficient offerings, as the most sustainable option also benefits homeowners in many ways. Energy Star certified windows can cut your 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 DeForest, we only included companies that serve the city. There are other reputable providers that didn’t make the list because they wouldn’t be able to serve homeowners in DeForest.

    Work Quality

    We’re certain that you’re not looking for a company to do a shoddy job installing windows. We’ve vetted each installer featured on this list to make sure its contractors are well-qualified and that the company has received tons of positive customer feedback to vouch for its service.

    Customer Reviews

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

    Cost

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

    Warranty

    As discussed previously, windows are a substantial investment, so you’ll want to be certain that investment is 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 a while. Window installers that have more years of experience earn higher rankings by our standards. We like to see at least ten years of experience.

    DeForest, WI Window Replacement FAQs

    How much should a window install cost?

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

    What kind of window is the best for energy efficiency?

    A window’s energy efficiency is influenced by several factors, including 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.

    Do you really have to use a window installation company?

    You should hire a window installation company whenever you need to replace your windows. Installing windows is a complicated process that can be difficult to do on your own, so it’s best handled by the professionals.

    How often should you replace windows?

    Windows have a typical 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 damage anywhere on them, or they have become difficult to open or close, they may need to be replaced.

    Should I replace all my windows at once?

    If your windows are more than 20 years old, it’s probably time to replace all of them. By that point, they are typically less efficient, leakier and/or more damaged than new windows. Doing your windows all at the same time will involve less paperwork and less time.