Testimonials
“Tim was a fine craftsman; skilled and knowledgeable in his work with windows and siding. He was very easygoing and always concerned about the homeowner’s opinion and satisfaction.”
-Helen Apel, Madison
“We love our new window. It adds so much character to our home. Everyone has a positive comment about our window. Your workmen did an excellent job overall and were very courteous and efficient.”
-Chandra Hunter, Sun Prairie
“Great job! No need to worry about gutter problems again. Great work and friendly staff.”
-David Valdvinos, Madison
“Your staff is fantastic! Meeting Jay was fun. When he came out to our home to provide an estimate, he felt like part of the family. Oh- and the windows…so far we love them! As far as the quality of the window; over the past few really hot days we noticed our air conditioner ran much less than our neighbors. We are almost looking forward to winter to see how toasty we will be with our triple panes keeping out the cold! It has been a fun experience and we would certainly recommend you!”
-Vicki & David Bertagnoli, Milton
“You were both professional and nice throughout the process. Also frequent contact from your office especially was something I appreciated.”
-Holly Draper, Madison
“Tim is very particular in what he is working on; did a super job, he took the time needed to make sure window was perfect.”
-Deanna Braaten, Stoughton
“I was very pleased with the products and the service performed. I would definitely think of Gugger for my next project.”
-Robert & Martie Cody, Madison
“We are very pleased with the job! Steve and Tim were friendly, polite; easy to work with. Thanks again Gugger! We look forward to working with you on our bath!”
-Dawn Griffin, Madison
“We are telling all of our family, friends, coworkers, and clients about how pleased we are in our interactions with Gugger and their employees. Thank You!”
-Tara Potter & Larry Palmer, McFarland
“Great service, glad to see you donate to charities. It shows you care more about your community.”
-Vonnie Schoenleber, Madison
“Everything David promised us happened just like he said; timely installation, professional job, good people. We really enjoy our new windows and definitely noticed the comfort difference on cold days.”
-Dave Voelker, Portage
“David Skupas was the greatest help. He kept every promise and guarantee he quoted. I love my new windows and patio door.”
-Debra Wallick, Mount Horeb
“ A good experience from in home sales consultation to insulation! Thanks for exceeding our expectations.”
-Matt & Karen Hanson, Madison


