John Harris DSG Building DiagnosticsJohn Harris has been working in the residential building science field for 18 years, and has 13 years of plant engineering experience prior to that.

John is qualified as an certified energy advisor and trainer for all of NRCan’s housing programs and sat on the R-2000 Standard Redevelopment Committee. He has used Hot2000 to model thousands of houses ranging from century old farm houses, to high performance Passive Houses, including dozens of SB12 performance compliances models for building permit applications.

John successfully started up a Home Inspection company that serviced Simcoe County and Muskoka and had, at its peak, 4 employees. During that time we helped thousands of home buyers make informed decisions about their purchase, and actively participated in developing the profession through volunteer roles at the Ontario Association of Home Inspectors.

John has numerous qualifications and training in Mechanical Design and Commissioning including HRAI’s Residential Air System and Hydronic Design Technician designation. He has also delivered Training on behalf of the Ontario Power Authority encouraging energy efficiency improvements for Air Conditioning systems and houses in general.

DSG has developed independently, and in association with other industry professionals, numerous training courses ranging from brief seminars, to multi day skill specific courses, to full College Courses. John has taught in Georgian College’s Architectural Technology program.

John Harris DSG Buidling DiagnosticsJohn is a Mechanical Engineer, a Registered Home Inspector (retired), Level 2 Thermographer and a Residential Air System/Hydronics Design Technician. He also has a Certificate in Communications from University of Guelph as well as several Adult Education and Facilitator courses. John has and does actively participate in the community as a member of various professional organizations, volunteer committees and served on the board of a Canadian Youth Charity for 5 years.

Contact John at 705-238-8696 or jharris@dsgi.on.ca