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Vinyl Replacement Windows & Patio Doors

Vinyl Replacement Windows & Patio Doors

(574) 387-3297
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Welcome to Energy Efficient Replacements, Michiana's Best Choice for Vinyl Replacement Windows & Patio Doors. Join the hundreds of satisfied homeowners in Michiana that have discovered the exceptional value and beauty of windows and patio doors installed by Energy Efficient Replacements of Granger.

Our products include double hung windows, slider windows, picture windows, casement windows, awning windows, bay windows, bow windows and sliding glass patio doors, as well as many other styles. Energy Efficient Replacements windows and patio doors are designed using the latest technology, so they look beautiful while lowering energy costs and minimizing heating and cooling loss.

At Energy Efficient Replacements, we strive to give our customers the Best Window, Best Price, and Best Service in the industry.

If you have windows that are old, damaged, drafty or just want to update the look of your home, contact us today!

Indiana Service Area: South Bend, Mishawaka, Granger, Elkhart, Goshen, Osceola, Notre Dame, Bremen, Nappanee, Bristol, Middlebury, New Carlisle, Notre Dame, Laporte, Michigan City, Rolling Prairie, Beverly Shores, Long Beach, Valparaiso, Chesterton, Portage

Michigan Service Area: New Buffalo, 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

Products offered by Energy Efficient Replacements include: Vinyl Replacement Windows & Patio Doors, Entry Doors, French Doors, Vinyl Siding, Seamless Gutters, Soffit and Fascia.

Window Company, Window Service, Window Contractor, Local Window Company, Residential Window Company, Window Installation, Window Replacement, Pella Windows, Anderson Windows, Marvin, Jeld Wen Windows, Sunrise Windows Dealer


  • We had Energy Efficient Replacements bid and install replacement windows for us. We were very pleased with the professionalism of Jason and his team. He was prompt with the estimate, delivery of windows and swift and professional installation. I would definitely chose this company for any future construction needs. Tom Winston
  • I was told about Energy Efficient Replacements of Granger by a close friend/work associate who raved about their service. We received quotes from 3 vendors and they were in the middle of the pack when it came to price, but due to our recommendation we went with Energy Efficient Replacements. We first had them install windows in the front and master bedroom side of our home 2 years ago. The installer and his team did an excellent job, and when they were done you couldn't tell (except for the beautiful new windows) that anyone was in the house. We like them so much we had them back to install 8 more windows in our living room, with the same high quality results. This year we hope to have the remaining 8 windows done by them again. I highly recommend them, great people to deal with and a quality product! Penny P
  • This company did a great job. The owner Randy was very helpful, he walked us around our house and explained the entire process to us. The windows were installed after only 3 weeks. The installers also did a great job. The will be installing our siding in the spring. Very Happy. Donald Hanslits
  • Randy from EER was such a great help. Our windows look awesome. I would definitely hire again. Jose Martinez
  • I requested a quote online for gutter cleaning. Jason Yoder responded via e-mail very quickly and a date was set for the service. When no one showed I called for 4 straight days with no response. I e-mailed Jason and he promptly answered but had to find out why they didn't show (he was out of town). They said they couldn't find my house (not sure why as I live in town and they didn't call). We rescheduled for the next Monday. He had a friend, (with a similar business Grasshoppers), call and ask if he could do the job for the same quote due to EER being too busy, I agreed. They never showed, returned my calls, or e-mails. Needless to say I am very disappointed with my interaction with this company. Christopher McDermott
  • We have used a nationwide franchise for other houses we own, but would rather use an independent small business owner if one can be found - and we sure found a good one with EER. Our transaction was done entirely over the phone, long distance, and Jason was very helpful through the entire process. He tells the truth, does what he says he will do, and his crew came out and did the entire house in one cold day. What a difference good windows make, both in appearance and, even more so, with energy efficiency. Thanks again Jason. Rick C.
  • I am so pleased with my new windows from Energy Efficient Replacements. They are so easy to clean and look great. After 5 quotes from other company I choose Energy Efficient Replacements for the product the price and the personality of the salesman, other company's sold me on the product, but then became pushie and demanding for a commitment. I would recommend Energy Efficient Replacements to all. Great company to deal with. John Creal
  • Jason came out and helped us Seal our bay window we installed ourselves. He is a true expert. Pat Wright
  • We are happy to have had our patio doors installed by Energy Efficient Replacements of Granger. Job looks great. Jon Snider
  • Great quality, very informative, love our new windows. Mitch C.
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