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Thomas Zephyr Home Improvement We're happy you found us! Zephyr Thomas has provided excellent home improvement service for Lancaster County for over 60 years, and we welcome the opportunity to help you. Our crew includes some of the most talented and experienced general contractors in the Lancaster, PA area, so you don't have to stress over hiring separate contractors for each of your home improvement or remodeling projects.

We are your all-in-one residential remodelers, from replacing your vinyl siding or building a new deck, to remodeling your kitchen or bathroom, and replacing your roof or building a new sunroom.
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Zephyr Thomas Home Improvement Company began as Zephyr Aluminum in 1953, a commercial improvement company. Over time more homeowners were becoming interested in improving the quality and beauty of their home. As a result, Zephyr Thomas was created in 1993 to serve as a residential home improvement company.
Replacement windows affect the look of your home. They also have a major impact on energy usage and comfort. When you're considering replacement windows, consider the materials, shape, and functionality. Zephyr Thomas Home Improvement Company custom builds all of our home addition projects to our client's exact needs.
Get one step closer to stunning, durable, and energy-efficient windows! Replacement windows affect the look of your home. They also have a major impact on energy usage and comfort. When you're considering replacement windows, consider the materials, shape, and functionality. You want to make sure each window makes your home inviting, increases efficiency, and keeps it secure. Take a closer look at our vinyl replacement window options! Replace your windows ONE time with ProVia's durable, long-lasting windows.
Get one step closer to sturdy, high-quality, and beautiful doors! Imagine a bucket with a hole in it. What happens when you put water in the bucket? The water runs out. How do you stop the water? Plug the hole. Your old, inefficient entry door is doing the same thing with your heat and air conditioning.
Reviews (9)
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Barb & Tash Smithies-Race
Mar 25, 2022
Zephyr installed a new storm door for us. This is the second time we have used their services and have been happy with their workmanship both times. The staff is professional and courteous as well as knowledgeable. We love working with Kim in the office and Dave our installer. Couldn't ask for better people. Service: General door installation
John Schenkel
Feb 26, 2022
Zephyr installed a new sliding glass door to our screened porch. Daryel was the sales consultant and he did an excellent job throughout the process. The door arrived on schedule and the install team was thorough and courteous. There was a minor follow up issue that was handled in a timely manner. I would definitely use this company again for future work.
Sandra Aguilera
Feb 04, 2022
I had such high hopes that we'd have a great experience with Zephyr. They came out to do an estimate and I was told it would be 14 days for us to receive an estimate which is Completely reasonable and standard. After two weeks, I didn't receive a quote so I call to follow up only to learn they didn't have my email address on file. I provide it and two weeks later still have yet to receive quote.

If its this hard just to get a quote -I can't imagine how communication or any follow up with project concerns would be a total nightmare. Definitely going with the "little guy" a much smaller company that despite not having support staff manages to communicate in a timely manner.
Jonathan David Arndt
Nov 16, 2021
Amazing work on removing/installing some double-wide shed doors. Everything looks great, works well, and was finished very nicely. Two man crew did the install, and cleaned up afterwards to near-perfection. Could not have asked for better work: very satisfied! Service: General door installation
Laura Witmyer
Mar 03, 2021
We had a front deck replaced and a new front door installed. The construction team, lead by Bill, were great. They were professional, knowledgeable, neat and quick. The deck looks so sturdy and well made, it seems it will outlast our home. Brad Thomas, our salesman, was friendly and easy to work with. I would definitely hire them again. There is much work to be done at our house.
Pat Shannon
Dec 31, 2020
Zephyr Thomas did a great job converting our screened porch to a 3 season room. Installed quality doors and windows. Work was done in the time projected. The installers were professional as well as nice. They were very patient with us in doing the finishing work to my wife's satisfaction. Services: General repairs & installation, Window installation, General door installation
Scott Warnick
Apr 06, 2020
Brad Thomas is always great to work with. We have used Zephyr Thomas on multiple occasions and have always been very happy. They turned our screened in porch, that we could only use when it was not cold and not hot into a four seasons room with just the additions of windows and an insulated door. They did fantastic work and we could not be more pleased.
Stephen Vandewinckel
Feb 10, 2020
Zephyr Thomas just finished a 3 season room addition on our house. We could not be more pleased with the results. Matt Davies told us it would look like it was always there and he was right. Many of our neighbors have commented exactly that to us. The workmanship, attention to detail, and cleanliness throughout the process all surpassed our expectations. The 4 track 'windows' are just what we needed for our situation (they are vinyl not glass!). We would use this team again any time.
Lorraine MacDonald
Feb 14, 2018
We had a new door system installed a week ago and are very pleased with the install and the finished product. Daryel was very helpful in designed our door system and re-quoting when we wanted to change some features. Thomas and Josh were the installers and left my house as clean as when they started. We will definitely call Zephyr again to quote any other home improvement projects we may have in the future.