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Testimonials

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Under the Greenon windows contractor program I located Hartmann windows. Of the 3 suppliers I had come to the house, Greg's explanation of window technology and a competitive quote left the other 2 quotes in the dust. He & his crew installed the windows in only 2 days. The installations were were prompt, clean, and professionally done. The triple glazed windows look great, operate smoothly, and with the reflective coatings keep the house cooler on hot days. Greg then assisted in the submission of the rebate documents for the Greenon program. I am pleased I chose Hartmann Windows, a local supplier who did top notch work. I have no hesitation in recommending Greg and his crew.

Glen N. Tolhurst P.Eng.


Greg came highly recommended to me by a friend who had used him to install windows in her home. I was impressed that during our initial consultation, Greg spent nearly two hours walking me through various options. He also suggested that before I make any decisions, I take time to walk around the neighbourhood and study window styles installed in houses similar to mine. The installation went smoothly and Greg was ever professional, efficient, calm and friendly. The windows are high quality and look wonderful. Deciding on the new front door took longer because I had no idea how many factors were involved and had to take time to think about them. Again, Greg suggested walks around neighbourhoods to see what I liked and didn’t like. My new front door is beautiful, with an unexpected bonus: When the sun shines, the frosted glass in the door sparkles like diamonds and the bevelled edges throw rainbows on my hardwood floor. Five stars.

Thank you, Greg.

Hedy Czuchnicka


We were very happy with Greg Hartmann's work and his products. I have arthritis in my hands and was concerned that the casement windows would be hard to open. Happily, as Greg thought they would be, they are VERY easy to open.We appreciated Greg's friendly advice and the fact he was the one who gave us the quote AND he was the one who came and actually DID the installation. This is NOT true for the 2 other window/door quotes we got. We would recommend Greg for his knowledge, patience ! and workmanship.

Norah Menzies and Ed Langevin


Just wanted to thank you again for the exceptional service & quality of the windows & doors that you have installed in our home over the past 20+ years. Even the older windows still look like new & operate perfectly.

You have been a pleasure to work with, consistently reliable, punctual, pleasant, neat and fair and we'd highly recommend Hartmann Windows & Doors to anyone.

Marcel & Katheryn Dore


We had a new front entry door system installed by Greg. The product he helped us source was exceptional, and the quality of the install was top drawer. Highly competent!

Larry Kich


We can't tell you how happy we were with Greg's service and workmanship.Our home was built in 1847, a lovely limestone cottage and the front entry was a challenge but he got it done and done well indeed. Thank you Greg, you and your son did a fine job!

Cathy Dodd


Excellent products (KV Windows and Doors in our case) expertly measured, designed, ordered and installed by Greg Hartmann have greatly enhanced the enjoyment and appeal of our 19th century bungalow. His custom finishing woodwork and capping replicates the era's look. Compliments abound from neighbours and guests. Greg has done multiple projects for us, all on time and budget.

Ross Kent


Greg outfitted all the windows in my new home. He spent a great of time making sure our selection was fitting for what we thought with suggestions on selection options. He had a great vision on how it would turn out. Everyone that comes to the house comments on the amazing window design and quality. My project manager wanted me to go to another company, however I had trust in Greg's ability to get us quality with great design. Thanks Greg.

David B.


We recently had all the window glass in our house replaced by Hartmann Windows and Doors. Several other window companies had said it couldn't be done but Greg Hartmann sourced the glass and installed it for us. We are extremely happy with the results and would recommend Greg to our family and friends.

Joe D.


We have had Greg do numerous jobs at our house. Always prompt and courteous, completes the jobs in a timely manner using high grade materials and attention to detail to ensure every job is done right. Provides good advice for future work based on his years of experience. Highly recommended!

Derek Leader


Hartmann windows has replaced and installed several windows and doors for us over the last ten years and we have been impressed at the level of service. Greg is very thorough and knowledgeable. He takes time to answer our questions, is enthusiastic and pays attention to small details. The crews have been professional, finishing on time and taking time to ensure we have no mess to clean up. Thanks again!

Sheri Hincks


I am so pleased with my windows, I had to write a testimonial. We did all our due diligence when looking for a reputable window and door company and were really impressed with Greg's work ethic and his commitment to quality service.

Alison Di Carlo


We have Greg install new windows and doors on 2 occasions and have  found him to be courteous and professional. He offers quality products and his workmanship is excellent. We frequently recommend Hartmann Windows and Doors to  friends and clients. You will not be disappointed.

Thomas Jakob


I have hired Greg on different occasions and have always found him to be courteous and professional. He offers quality products and his workmanship is second to none. I frequently recommend Hartmann Windows and Doors to my friends and clients.

Keith Langlois
Registered Home Inspector
Building Insights Inc.


We had the pleasure of having windows installed by Hartmann Windows and Doors. They were very professional, showed attention to every detail, were creative to customizing a look that suited our house, showed us how to save money with other suggestions, and had a high level of customer service. We have highly recommended them to others. Our home now looks beautiful, and we have had many compliments on our windows. You won't be disappointed hiring this company.

Lynn Dobson


Greg and his team are professionals that provide an outstanding service experience.  Their products, installation, and craftsmanship are superior.  They were so respectful of my home and often it was cleaner when they left than when they arrived.   I enjoy my windows and doors every day.   I will always come back to Hartmann Windows and Doors for my future needs and recommend them highly to others for their window and doors needs.

Tanya MacLaurin

Thank you for visiting Hartmann Windows & Doors, your resource for vinyl windows in Guelph, Wellington County and surrounding areas. Please feel free to visit us again soon at hartmannwindowsanddoors.com for all of your vinyl window installation, door installation, steel doors and retractable screen needs.