Meet the Experts


John Siegenthaler (Siggy)

John Siegenthaler is a foremost expert in the industry with more than 37 years of experience in designing hydronic heating systems. The mechanical engineering graduate of Rensellaer Polytechnic Institute writes exclusively for HPAC magazine in Canada and is a licensed professional engineer. John is an Associate Professor Emeritus of engineering technology at Mohawk Valley Community College in Utica, NY, and author of the text Modern Hydronic Heating and Heating With Renewable Energy, as well as several other publications dealing with hydronic heating.

Mike Miller

As a regular contributor to HPAC magazine, Mike Miller is an industry veteran who is renowned for his dedication to the development of the hydronics industry. Trained in Germany, Mike Miller immigrated to Canada and worked for a heating contractor in BC before moving to a wholesaler in Alberta where he was coordinating the development and implementation of the hydronic heating department. He then moved into the manufacturing sector, holding positions with a controls manufacturer and a manufacturer specializing in radiant floor heating, plumbing and fire safety systems. Today, Mike is director of sales, Building Services, Canada with Taco.
He is past chair of the Canadian Hydronics Council (CHC) and is involved with several industry associations. Miller also represents the industry’s interests on the Technical Committee for the CAN/CSA-B214 – Installation code for hydronic heating systems.

Steve Goldie

A tenured contributor to HPAC magazine, Steve Goldie learned his trade from his father while working as plumber in the family business. After 21 years in the field, he joined the wholesale side of the business in 2002. Several years ago he joined a group of colleagues in a new plumbing/hydronics wholesale venture in the GTA. Well-known in the field for his expertise he is frequently called on to troubleshoot systems and advise contractors.

Robert Bean (The Bean)

Always ahead of the curve, Robert Bean’s leading-edge columns in HPAC magazine are a favourite with readers. A well-known speaker and trainer, Robert has received several honours, most recently the 2017 Dan Holohan Lifetime Contribution to Comfort Award and the Canadian Hydronics Council’s (CHC) Award of Merit. Robert is a Registered Engineering Technologist in building construction (ASET) and a Professional Licensee (Engineering) in HVAC (APEGA). Among the many hats he wears are: president of Indoor Climate Consultants Inc. and director of; a past ASHRAE Distinguished Lecturer; recipient of ASHRAE’s Lou Flagg Award and ASHRAE Distinguished Service Award; and a member of ASHRAE technical committees 2.1 (Physiology & Human Environment) 6.1 (hydronics), 6.5 (radiant), 7.04 (eXergy) and SSPC 55 (thermal comfort). Robert is also the author of numerous industry courses and seminars covering the building sciences, indoor environmental quality, energy, and radiant-based HVAC systems.

Mark Evans

Mark Evans has worked in the hydronics field for more than 29 years. He has held positions of increasing responsibility at the regional and national level of the wholesale supply, rep agency and manufacturing sectors of the plumbing and heating industry. In addition to his columns in HPAC magazine, Mark’s passion has translated into success in the realm of sales and marketing – with an emphasis on new market development for technical products.

Lance MacNevin

Lance joined the Plastics Pipe Institute (PPI) in 2015 as director of engineering for PPI’s Building & Construction Division. He focuses on pressure piping materials such as PEX, CPVC, PE-RT and PP-R for plumbing and mechanical systems, and supports the industry through research, advocacy, education and other roles. He returns to Canada frequently and remains active in industry, serving on CSA Technical Committees for B214 (Hydronics), B137 (Pressure Pipes) and C448 (Geothermal), as well as the PIAC and CACP.