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Terry's Discount Windows For top-quality windows, siding, roofing, and more for your home, no one beats the experience and service of Terry's Discount Windows & More LLC. Our Master-certified installers have been serving homeowners across Northwest Indiana since 2003. We offer the best products at great prices because we buy them directly from the manufacturers - passing the savings on to you!

Our experienced installation professionals pride themselves on treating you as we would treat our own families. We are polite, professional, and tidy, and our business practices are always guided by our Christian values and principles.
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Our experienced installation professionals pride themselves on treating you as we would treat our own families. We are polite, professional, and tidy, and our business practices are always guided by our Christian values and principles. We have been voted #1 for windows and siding in Northwest Indiana for 2015 and 2016!
We are a family owned and operated, award winning, and fastest growing company that thrives to be known for integrity, reliability, and morality! We serve the Northwest Region of Indiana, which includes all of Porter County, Laporte County, and Lake County.
Household condensation, or "sweating", on windows is typically caused by excess humidity or water vapor within the home. When water vapor in the air comes in contact with a cold surface, such as a mirror or glass window, it turns to water droplets - commonly called condensation. All homes have occasional condensation, often showing as fogging on the windows.
The impact of changing your siding, trim and color is transformational. The ability to recreate this effect as often as you choose, from any screen or mobile device with an intuitive online design tool?. Terry's Discount Windows & More LLC is an industry leader in insulated-backed (solid core) vinyl siding installations.
Reviews (9)
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Lynette Capusan
Jun 12, 2022
I had a sliding glass door put in by Terry's. They were superior to ALL other companies I have ever worked with! The work done was fantastic! The price was great, salespeople are very knowledgeable and the installers were friendly and professional. I can't stress enough just how wonderful the whole experience was for me. I will never use another company for my window needs again! Terry and his staff are the BEST!
Sheryl M.
May 27, 2022
The windows are fantastic! A+ to The Team at Terry's Discount windows From the first phone call to the installing they made it so easier. On installation day the crew was very professional and very meticulous in their installation. We had three windows installed and they did an awesome job. Wish I could give 10 Stars.
Steve Matthews
Apr 11, 2022
Critical: Professionalism Salesman came out to give me a quote on my windows and he was very rude. Told me a price is good for 2 days and price goes up 3,000 dollar in 2 days. Very poor salesman. Interested in getting windows but need a better salesman to give me time to talk with wife about price.
Pete & April Brandy
Mar 22, 2022
Our home is so BEAUTIFUL and QUIET now! We recently had our siding, soffit, fascia, gutters and patio door installed by Terry's. We are so pleased! Walking into the showroom at Terry's is like walking into a room of friends, I have never felt so welcomed! We chose Terry's based on their being a local family owned and operated business, our past experience with them replacing a couple of windows and their price was reasonable and competitive.

As for the timing of our install, besides the slowed manufacturing of the products (which is not in their control) they were quick and courteous once the supplies showed up. I highly recommend Terry's Discount Windows from our experience!
Daniel McWilliams
Mar 18, 2022
Wow. Terry's Discount Windows is amazing. These Windows (4 were installed) look great. Both the inside and outside look transformed. The reason I had them replaced is because they were from 1951 and were crank single pane that would not even close all the way. The new Windows make a huge difference. I heard about Terrys on the radio. Since they are a Christian company I knew I could trust them. And I was right. The installers did a fantastic job in 10 degree weather. If you need Windows, you can trust Terrys. AMAZING!
M. Morningstar
Mar 07, 2022
Caleb was exceptional to work with. His employees were very efficient and professional. Completed my siding in one day. I would, and will utilize their quality work again. Mike Valpo, IN
Elizabeth Heim
Jan 15, 2022
Terry's was recommended to us by a relative who had a great experience - and they didn't disappoint. We've had 3 windows and two exterior doors replaced so far, and both installations went without a hitch. Their crews are super professional, they work neat and clean, it's affordable with competitive pricing, and their work is flawless. We already have our next job with them lined up and at least one more after that we're brainstorming. Terry's is the best!
Rebecca Ward
Jun 11, 2021
Nick, and his crew were early to our appt. They wasted no time getting started. Work tarps were laid out at high traffic areas on the carpet. They kept all work areas clean of debris, as well as removing any after the installation. Fast, friendly, and efficient! I definitely recommend their service to anyone looking to replace their windows. Thanks, again, to Nick and his crew for their outstanding service!
Colleen Healey
Mar 09, 2020
We needed four windows replaced a few months ago. Caleb came to our house to measure and give an estimate. He was polite and not pushy. We felt the price for the windows was fair so we ordered them. The install was done about six weeks later, quick and easy. They cleaned up the area, no mess inside or out. The windows are great.