Burhenn and Gruenig was established in 1990 by Tim Burhenn and Dan Gruenig. Tim passed away in 1999. Dan’s son, Thomas Gruenig, started working for the company in 1998, and in 2010 has taken over ownership of the company. Burhenn and Gruenig is a 2nd generation small family business. We strive on meeting our customer and contractor needs. We only use quality products and have some of the best employee’s in the construction industry. We are easy to work with, are able to do some unique duct work as we can fabricate duct work in our shop. That gives us an edge on our competitors, and less air loss and efficiency for our customers.