Our Team
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Donald Johnson
Founder
Weiss-Johnson
Donald Johnson started Weiss-Johnson with Bob Weiss back in 1977. He quickly became an expert in the design and installation of new home heating systems. Don has always preferred being out in the field where he still likes to go out and measure up and design duct systems for new homes. He got his sheet metal ticket in 1973. Don has always enjoyed the outdoors and camping and he continues to enjoy time sledding and quading with family and friends. He also has been 5 pin bowling in various leagues over the last 40 years. He and his wife Britta have 3 children, 10 grandchildren, and 4 great grandchildren.
Dennis Johnson
President
WJ Group of Companies
Dennis started working for Weiss-Johnson in 1989. He obtained his sheet metal ticket in 1998. In 2008 Dennis and his brother Mark bought out their parents and became the owners of Weiss-Johnson. For several years Dennis has served on the marking committee of the Sheet Metal Apprenticeship Board and has served in various positions with other service organizations. He and his wife, Cari, are the parents of 4 children and have 4 grandchildren.
Mark Johnson
Director of Operations
WJ Group of Companies
Mark graduated from the University of Lethbridge in 2001 with a degree in Environmental Sciences. He became involved with Weiss-Johnson, full time, in 2008 when he and his brother Dennis took over ownership from their parents. He helped to design and plan the new Weiss-Johnson Operations Facility located at 5803 Roper Road, in Edmonton. Mark is a member of the Board of Directors of the Edmonton Down Syndrome Society and assists with various other charitable endeavors. Together with his wife, Kira, they have 4 children.
Scott McConaghy
General Manager WJ Group of Companies
- Over 30 years experience
- Has been with Weiss-Johnson since 2020
Dave Adam
Plumbing Operations Manager
- Over 25 years experience
- Has been with Weiss-Johnson since 2014
Jesse Flexhaug
Residential HVAC Operations Manager
- Over 14 years experience
- Has been with Weiss-Johnson since 2006
Teseo Berardi
Residential HVAC Service
Manager
- Over 25 years experience
- Has been with Weiss-Johnson since 2011
Marcus Krampitz
HVAC Retro/ Renovations
Manager
- Over 23 years experience
- Has been with Weiss-Johnson since 2012
Brian Schroeder
Commercial HVACEstimating – Project Management
- Over 29 years of experience
- Has been with Weiss-Johnson since 2005
What Our Customers Say About Us
"The guys were very friendly. They took lots of care and attention when removing the old furnace and replacing it with the new one to not damage anything along the way. Once finished they took the time to explain the operation and go through any questions we had. I would definitely use them again."
- Kyle J.
"This review is for Noel who came to my home to see why our electric air cleaner was not working. He was punctual and super friendly. Found the problem within 15 minutes. Had the part ordered, and 9 days later it literally only took him 3 minutes to replace it for us!"
- Joy H.
"Booking an appointment for a furnace checkup was a very quick and simple phone call. The technician was on time as promised, very knowledgeable and professional. It gave us piece of mind that our 10 year old furnace was in good working order."
- Nicolas L.