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Energy Efficient Replacements - Windows, Doors, Siding and Roofing 574-387-3297
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Andersen Window and Doors Showroom Of Mishawaka, IN
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Call Now! 574-387-3297

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Andersen 100 Series Fibrex
Double Hung
Windows
  • Our best-selling Fibrex double-hung by Andersen Windows 
  • Unfinished pine or prefinished White, Dark Bronze or Black interior protected by vinyl exterior
  • Extremely energy-efficient, durable and time-tested
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Andersen 100 Series Fibrex
Casement
Windows
  • Low-maintenance Fibrex exterior provides long-lasting protection against water damage
  • Fibrex Interiors 2x Stronger than vinyl
  • Our best-selling casement window
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Andersen
Gliding & Hinged Patio Doors
  • Our best-selling gliding patio door
  • Unfinished pine, maple or oak interior protected by vinyl exterior. Prefinished White interior also available.
  • Blinds-between-the-glass option
Get FREE No Pressure Quote
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Andersen Windows & Patio Doors – Mishawaka, IN​
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If you live in Mishawaka, Indiana, and want to improve your home’s comfort, efficiency, and curb appeal, look no further than Energy Efficient Replacements (EER). As Mishawaka’s trusted Andersen Windows and Patio Doors dealer and installer, we help homeowners choose the right Andersen products and install them with expert craftsmanship.
Whether you’re upgrading a historic home near Battell Park, building new in a growing subdivision off Douglas Road, or replacing drafty windows in a family home near Mishawaka High School, EER has the expertise and solutions for your home improvement needs.

Why Andersen Windows in Mishawaka?Since 1903, Andersen Corporation has been America’s leader in window and door innovation. In Mishawaka’s climate--icy winters, hot summers, and heavy St. Joseph River humidity—the right windows are essential for long-term comfort and energy savings.

Andersen Window & Door Features:
  • High-Performance™ Low-E4® glass – Keeps homes comfortable in Indiana’s changing seasons.
  • TruScene® insect screens – Nearly invisible, ideal for summer nights near Merrifield Park or the Mishawaka Riverwalk.
  • Natural wood interiors with factory finishes – Perfect for blending with Mishawaka’s historic neighborhoods and newer homes.
  • Durable Fibrex® material – Stronger than vinyl, lower maintenance than wood.
  • Custom sizing – Ideal for older homes near downtown Mishawaka or modern developments by the Heritage Square area.
  • Larger glass areas – Brighten living spaces with natural light, perfect for kitchens overlooking the Riverwalk trails or backyards in quiet subdivisions.

Serving Mishawaka Landmarks & NeighborhoodsEvery neighborhood in Mishawaka has its unique charm, and Andersen products complement them all:
  • Historic Downtown Mishawaka – Upgrade old wood windows with Andersen’s wood-clad options to maintain authenticity and improve efficiency.
  • Battell Park & Riverwalk Area – Large glass Andersen windows and doors maximize views of the river and parks.
  • Residential Communities near University Park Mall & Edison Lakes – Contemporary Andersen patio doors bring modern style and natural light.
  • Neighborhoods near Mishawaka High School & Beiger Elementary – Perfect for family homes needing year-round comfort and reduced energy bills.
  • Lakeside & Golf Course Homes – Homes near Twin Branch Park or Mishawaka Country Club shine with Andersen patio doors opening onto decks and yards.

Patio Doors & Siding Upgrades in Mishawaka

EER is more than a window installer—we deliver complete home exterior transformations.
  • Patio Doors: Choose elegant Frenchwood® doors or sleek sliding glass doors to connect your living room to a backyard patio near Merrifield Park or a deck overlooking the St. Joseph River.
  • Siding Options: Pair your Andersen windows with James Hardie siding, Vesta Steel Plank siding, or LP SmartSide for unmatched curb appeal and durability.

The EER Installation Advantage in MishawakaSelecting Andersen products is step one—installation is what ensures performance. That’s why Mishawaka homeowners trust EER:
  • Precision fit & seal – Every window and door installed level, square, and weather-tight.
  • Clean, professional worksites – Respect for your home throughout the process.
  • Local expertise – We understand Indiana’s weather and Mishawaka’s diverse home styles.
  • Strong warranties – Peace of mind and long-term support.
From a historic bungalow near Main Street to a modern home by Douglas Road, our team delivers consistent excellence.

Why Upgrade Now?Now is the perfect time for Mishawaka homeowners to upgrade to Andersen Windows and Patio Doors:
  • Lower heating and cooling bills.
  • Year-round indoor comfort.
  • Increased home value and curb appeal.
  • Reduced upkeep with durable finishes.
Whether you’re preparing your home for resale near Twin Branch Elementary or upgrading your forever home near Bethel University, Andersen products are a smart investment.

Call Mishawaka’s Andersen Window & Patio Door Experts🏡 Ready to transform your Mishawaka home with Andersen Windows & Patio Doors?
👉 Contact Energy Efficient Replacements today for a free in-home consultation or visit our showroom in Granger, IN, just minutes from Mishawaka.
📍 Serving Mishawaka and nearby communities: Battell Park, Merrifield Park, Riverwalk, Twin Branch, Edison Lakes, Heritage Square, and the greater Michiana region.
📞 Call us today at (574) 387-3297 or visit eerwindows.com

Top Window Types:
  • Andersen Architectural Shapes – interestingly shaped, stationary windows are designed to add appeal to a standard window setup.

  • Andersen Awning Windows – Windows that vent from the bottom and swing upward.

  • Andersen Bay Windows – A composite of three or more windows usually made up of a large center unit and two flanking units.

  • Andersen Bow Windows – A composite of four or more windows mulled together to form a gently bowing or curved effect.

  • Andersen Casement Windows – Windows that vent by swinging outward from the left or right.

  • Andersen Double-Hung Windows – A window with two vertical operating sashes that slide up and down.

  • Andersen Hopper Window – A window that vents from the top with the sash dropping down into the home.

  • Andersen Picture Window – One, large stationary window.

  • Andersen Horizontal Gliding Windows – Windows that vent from left to right and operate similarly to a patio sliding door.

  • Andersen Transom – A smaller accent window above a door or another window.
Get FREE No Pressure Quote
Andersen Windows & Patio Doors – Mishawaka, INIf you live in Mishawaka, Indiana, and want to improve your home’s comfort, beauty, and efficiency, trust Energy Efficient Replacements (EER). As Mishawaka’s leading Andersen Windows and Patio Doors dealer and installer, we help homeowners select the perfect Andersen products and install them with precision craftsmanship.
Whether you’re restoring a historic home near Battell Park, upgrading a family home close to Mishawaka High School, or building new in subdivisions around Douglas Road and Edison Lakes, EER has the expertise and solutions to transform your home.

Why Andersen Windows in Mishawaka?Since 1903, Andersen Corporation has set the standard for window and patio door innovation. Mishawaka’s climate--cold winters, hot summers, and humid conditions near the St. Joseph River—makes choosing energy-efficient windows essential for long-term savings and comfort.
Key Andersen Window & Door Features:
  • High-Performance™ Low-E4® glass – year-round comfort in Indiana’s changing weather.
  • TruScene® insect screens – nearly invisible, perfect for summer nights near the Mishawaka Riverwalk.
  • Natural wood interiors & custom finishes – match historic homes and modern styles alike.
  • Fibrex® material – stronger than vinyl, lower maintenance than wood.
  • Custom sizing – ideal for older homes near downtown Mishawaka.
  • Expansive glass options – brighten spaces overlooking parks like Merrifield Park or backyards in Edison Lakes.

Serving Mishawaka Landmarks & NeighborhoodsEvery part of Mishawaka has unique character—and Andersen products fit them all:
  • Historic Downtown Mishawaka – preserve charm while improving efficiency.
  • Battell Park & Riverwalk homes – maximize natural views with large Andersen windows.
  • Twin Branch & Merrifield Park neighborhoods – durable windows and doors built for family living.
  • Douglas Road, Edison Lakes & Heritage Square areas – modern designs with contemporary patio doors.
  • Homes near Bethel University & Penn Township – energy savings and curb appeal in growing communities.

Patio Doors & Siding UpgradesAt EER, we don’t just install windows—we transform your home’s exterior.
  • Patio Doors: Choose elegant Frenchwood® doors or sleek sliding glass doors that connect living spaces to outdoor patios near the St. Joseph River.
  • Siding Options: Complete your upgrade with James Hardie®, Vesta Steel Plank®, or LP SmartSide® siding for a total exterior makeover.

The EER Advantage in MishawakaChoosing Andersen is step one—installation makes all the difference. That’s why Mishawaka homeowners rely on EER for:
  • Precision installation – every window and door is level, sealed, and weather-tight.
  • Clean worksites – respect for your home and property throughout the process.
  • Local expertise – we understand Mishawaka homes and Indiana weather.
  • Strong warranties & support – long-term peace of mind.
From bungalows near Main Street to family homes along Lincolnway East, we deliver lasting results that make homes more comfortable and valuable.

Why Upgrade Now?Now is the best time for Mishawaka homeowners to invest in Andersen windows and patio doors:
  • Cut energy bills with superior insulation.
  • Stay comfortable through every season.
  • Boost curb appeal and resale value.
  • Enjoy low-maintenance durability for decades.
Whether preparing your home for resale near Bethel University or upgrading your forever home near Merrifield Park, Andersen delivers unmatched value.

Call Mishawaka’s Window & Patio Door Experts🏡 Ready to transform your Mishawaka home with Andersen Windows & Patio Doors?
👉 Contact Energy Efficient Replacements today for a free in-home consultation, or visit our showroom in nearby Granger, IN to explore Andersen products in person.
📍 Serving Mishawaka and surrounding neighborhoods: Battell Park, Merrifield Park, Riverwalk, Twin Branch, Edison Lakes, Heritage Square, Penn Township, and the greater Michiana region.
📞 Call us today at (574) 387-3297 or visit eerwindows.com.

Andersen 100 Series Replacement Windows & Patio Doors Plymouth, ​IN

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Andersen Windows Mishawaka, IN is one of the best and most trusted manufacturers in the business. With over 100 years of expertise under its belt, this company offers multiple window series giving homeowners the power to choose the ideal product for their home.
Their most affordable and popular collections is the 100 Series which is made from Fibrex material. We’ll tell you more about the company and product in this Andersen 100 Series Windows Review.

If you were to take a quick look through Andersen’s website you would see that all of Andersen’s windows are wood windows with a cladded exterior except the 100 Series. The 100 Series is made of a composite material called Fibrex and is often posed as an alternative to vinyl windows. The truth is Fibrex brings together the best of wood and vinyl products in one. It’s durable, energy-efficient, and the lines on the window are perfect for contemporary homes. Keep reading to learn more details about this window series.

Fibrex is a composite material made exclusively by Andersen. The material is twice as strong as vinyl and much more stable so it won’t expand or contract as much in extreme temperatures. Less expansion and contraction means the seals around the glass are less likely to fail and thus the glass in 100 Series windows is less likely to experience condensation between the glass panes.

Additional Benefits of Fibrex
  • Moisture resistant so it won’t experience rot like wood windows
  • Heat-resistant so it remains stable in hotter climates
  • Excellent insulator – performs on par with vinyl and wood
  • It’s made sustainably – Fibrex windows are made with reclaimed wood fibers that would otherwise be sent to waste
  • Has a matte finish that won’t flake, blister, or peel
These windows are slightly more expensive than your standard vinyl window but they’re also a better product. Compared to wood windows, Fibrex windows are less expensive, essentially maintenance-free, and you don’t have to be concerned about paint peeling or wood rot. If fiberglass windows are out of your budget you might also consider Fibrex windows as an affordable alternative.
​What colors are Fibrex windows available in?Color is a big deal with windows. Most window manufacturers offer your standard white-interior with white exterior window and sure, you can get that from Andersen, too but you can also get more. Andersen 100 Series windows are factory-finished with a premium matte finish that won’t flake, blister, or peel. Including white Andersen offers 5 total exterior colors. The colors have a deep warm tone, I can’t think of any home that wouldn’t find a suitable window color in Andersen’s palette.
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Exterior color options include:
  • White
  • Sandtone
  • Terratone
  • Dark Bronze
  • Black
Interior color options include:
  • White
  • Sandtone
  • Dark Bronze
  • Black

Andersen 200 Series Replacement Window & Patio Doors Mishawaka, IN

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Andersen’s 200 Series windows are made for Mishawaka, IN residents who want wood windows at an affordable price. While there are many material alternatives to choose from wood windows are still considered the gold standard by many in the building industry because of their strength, efficiency, and beauty. Wood windows are highly energy efficient and with features like cladding they can stay beautiful and durable longer. 
In this article we’ll go over the following features of Andersen’s 200 Series windows:
Andersen’s 200 Series windows are made of wood-framed windows with vinyl cladding. The cladding is a covering that’s designed to protect another surface. In this case, Andersen uses a vinyl cladding to protect the exterior of the window from nature’s elements.
Factory finished wood windows can usually last a few years without requiring too much maintenance. Basic maintenance for a wood window requires an annual cleaning; eventually, wood windows need more care including refinishing or repainting.
Vinyl isn’t without maintenance but it is a very low maintenance material and only requires an annual wash that also gives homeowners an opportunity to inspect the window for any defects. Vinyl cladding protects the wood window from moisture, insects, rot, and warping. Vinyl also does not require refinishing or repainting like wood does but some vinyl windows are susceptible to discoloration especially if they get a lot of sun exposure.
Andersen’s vinyl exteriors are finished with Perma-Shield ® technology which is designed to prevent the need for painting and is resistant to peeling, blistering, flaking, and corrosion.

Construction
Andersen’s 200 Series windows can be used for new construction or in replacement projects.

Sizes
Double-hung windows in this series are available up to 3’4” wide and 6’ high. Custom sizes are not available for this series.

Energy Efficiency
Three factors that affect the thermal performance of a window are the material of the frame, the glass, and the installation. With a good installation and the right glass package, Andersen 200 Series windows are usually able to meet ENERGY STAR requirements.
Not all windows meet ENERGY STAR’s requirements but the windows you choose for your home must at least meet your local code. The dealer or installer you choose to work with should be able to help you make an informed decision with this. 
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Styles
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The 200 Series offers three basic and very common window styles. This series carries double-hung, gliding (sliding), and picture windows.

Andersen 400 Series Replacement Window & Patio Doors Mishawaka, IN

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Where’s the value? Andersen offers value and customization throughout its luxury line and core product line. The 400 series and 100 series are part of the core product line. Windows in this line have lasted include their longest-standing products.
Consumer Reports gives the Andersen 400 Series casement and double-hung windows “excellent” ratings. 
Windows from the 400 Series are Andersen’s most popular products. They offer a classic blend of engineering and craftsmanship making them durable and long-lasting. The windows are available in a wide variety of sizes, styles, and colors. These options along with accessories make it easy to fit your home with windows that can’t be ignored. We’ll get into these topics ahead.
Andersen 400 Series Prices Mishawaka, IN
Pricing for windows varies because there are many factors to consider. In regard to factors that impact the price of Andersen 400 Series window units alone (without installation costs) include:
  • Style
  • Size
  • Finishes
  • Accessories
  • Upgrades
The vinyl exterior protects the frame and resists dents, repels water and seals out the elements. Additionally, Perma-Shield technology used in the exteriors means they’ll never need to be repainted and won’t peel, blister, flake, or corrode.
In other words, 400 Series windows are also low-maintenance saving you the time and hassle of constant repairs.
Energy Efficiency Weather-resistant construction means greater comfort and more energy efficiency. Windows have weather stripping designed to seal out drafts, wind, and water.
New and well-installed replacement windows should always be more energy efficient than those being replaced but glass also affects energy efficiency. In fact, glass can affect energy efficiency more than any other part of a window or patio door.
Not all glass performs (insulates) the same, Andersen offers one of the industry’s widest array of glass options, so you’re sure to find the right choice for your climate and your home.

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Service Area: Mishawaka, IN and Surrounding Areas.
  • 46544 – Covers much of Mishawaka, including downtown and central neighborhoods.
  • 46545 – North Mishawaka, near Edison Lakes, Heritage Square, University Park Mall, and the Douglas Road corridor.
  • 46546 – Southeast Mishawaka, extending toward Twin Branch, Beiger Elementary, and areas close to Elkhart County.
Visit our SHOWROOM IN Granger!

Energy Efficient Replacements
​51285 Bittersweet Rd Suite I
Granger, IN  46530

BUSINESS / SHOWROOM HOURS EST

Monday: 09:00AM - 17:00PM 
Tuesday: 09:00AM - 17:00PM
Wednesday: 09:00AM - 17:00PM
Thursday: 09:00AM - 17:00PM
Friday: 09:00AM - 15:00PM
Saturday: Closed
Sunday: Closed
Northwest Indiana Sales Office!
(OPENING SOON)

Andersen Windows & Doors of Chesterton by Energy Efficient Replacements
132 N Calumet Rd
Chesterton, IN 46304


​BUSINESS / SHOWROOM HOURS CST
Monday: By Appointment
Tuesday: By Appointment
Wednesday: By Appointment
Thursday: By Appointment
Friday: By Appointment

Saturday: Closed
Sunday: Closed

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574-387-3297
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Indiana Service Area: South Bend, Mishawaka, Granger, Elkhart, Goshen, Osceola, Notre Dame, Bremen, Nappanee, Bristol, Middlebury, New Carlisle, La Porte, Kingsbury, Michigan City, Rolling Prairie, Beverly Shores, Long Beach, Valparaiso, Chesterton, Portage, Warsaw, New Paris, Milford, Howe, Westville, Plymouth, Syracuse, North Webster, Lakeview Spring, Leesburg, Wakarusa, Benton, La Paz, North Liberty, Walkerton, Fish Lake, Kingsford Heights, Mill Creek, Roseland, Michiana Shores, Dune Acres, Ogden Dunes, Argos, Culver, Columbia City, Kendallville, Lagrange, Shipshewana.

Michigan Service Area: Three Oaks, Sawyer, Buchanan, Niles, Dowagiac, Edwardsburg, Grand Beach, New Buffalo, Union Pier, Bridgman, Baroda, Stevensville, Shoreham, St Joseph, Benton Harbor, Cassopolis, Union, Berrien Springs, Lakeside, Berrien Center, South Haven, Three Rivers, Constantine, Portage, Kalamazoo, Battle Creek, Schoolcraft, White Pigeon, Mattawan, Hartford, Lawton, Decatur, Sister Lakes, Eau Claire, Sodus, Sturgis, Jones, Vandalia, Marcellus, Paw Paw, Harbert, MI.

Products offered by Energy Efficient Replacements include:  Replacement Windows & Patio Doors, Entry Doors, French Doors, Vinyl Siding, Siding Replacement, Siding Installation, Siding Companies, Seamless Gutters, Soffit and Fascia and Roofing. Roof Replacement, Roof Installation, Roofing, Roofing Contractor,
Window Service, Window Contractor, Local Window Company, Residential Window Company, Window Installation, Window Replacement, Replacement Window Installation, Energy Efficient Windows, Residential Windows, Energy Saving Windows, Discount Window Replacement, Home Window Replacement, Home Window Installation, Residential Window Replacement, House Replacement Windows, Replacement Home Windows, New Windows, Glass Block Basement Windows, Bow Window Installation. Bay Window Installation, Andersen Windows, Sunrise Windows Dealer, Screens, Re-Screening, Screen Frames, Screen Frame Repair, Door Screens, Window Screens, Security Doors, Storm Doors, Andersen Doors, Andersen, Window Installation Near Me. Window Contractor Near Me, Window Replacement Near Me, Siding Contractor Near Me, Siding Replacement Near Me, Siding Installation Near Me, retractable awnings, retractable patio awnings, motorized retractable awnings, electric retractable awnings, residential retractable awnings, custom retractable awnings, patio awning installation, awning installers near me, retractable awning installation, retractable awning installers, retractable awning cost, retractable awning prices, retractable awning contractors, retractable awning company, retractable awning dealers, motorized patio awning, remote control awnings, wind sensor awnings, sun and rain awnings, aluminum awning systems, fabric retractable awnings, cassette awnings, full cassette awnings, SunSetter awnings alternative, SunSetter style awnings, high-end retractable awnings, custom European awnings, solar shades, exterior solar shades, outdoor solar shades, motorized solar shades, patio solar shades, porch solar shades, sun shades for patio, window solar shades, solar shade installation, solar shade installers, solar shade cost, solar shade prices, motorized solar shade installation, exterior shade contractors, outdoor shade solutions, heat blocking solar shades, UV blocking solar shades, glare reducing solar shades, energy saving solar shades, privacy solar shades, sun blocking shades, outdoor roller shades, zip track solar shades, drop down solar shades, retractable solar shades, vertical solar shades, motorized outdoor roller shades, sunrooms, sunroom installation, sunroom installers near me, sunroom contractors, sunroom company, custom sunrooms, residential sunrooms, sunroom additions, sunroom construction, sunroom cost, sunroom prices, sunroom builders, sunroom design, sunroom remodeling, glass sunrooms, all season sunrooms, year round sunrooms, insulated sunrooms, energy efficient sunrooms, thermal sunrooms, heated sunrooms, cooled sunrooms, 3 season rooms, three season rooms, 3 season sunrooms, three season sunrooms, 3 season room installation, 3 season room contractors, 3 season room cost, 3 season room prices, screened 3 season rooms, porch conversion to 3 season room, spring summer fall rooms, 4 season rooms, four season rooms, 4 season sunrooms, four season sunrooms, 4 season room installation, 4 season room contractors, 4 season room cost, 4 season room prices, year round rooms, climate controlled sunrooms, fully insulated sunrooms, heated and cooled sunrooms, patio enclosures, patio enclosure installation, patio enclosure installers, patio enclosure contractors, patio enclosure company, patio enclosure cost, patio enclosure prices, glass patio enclosures, screened patio enclosures, aluminum patio enclosures, porch enclosures, porch enclosure installation, porch enclosure contractors, porch enclosure cost, porch enclosure prices, sun porch enclosures, enclosed patios, backyard enclosures, outdoor room enclosures, seasonal room enclosures
  • Home
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