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Meet our Contributors

Each edition of Mechanical Business features articles from some of the best and brightest minds in the industry. Be sure to check out the expert advice from our team of contributors, in every issue!

Phil BoudreauPhil Boudreau – Refrigeration

Phil Boudreau provides sales, training and technical support for Bitzer Canada Inc. and is the instructor of a refrigeration course at Humber College in Toronto. He covers the technical ins and outs of the refrigeration trade in each issue of Mechanical Business. bitzer.ca

Bob ‘Hot Rod’ Rohr – Hydronics

Bob Hot Rod Rohr has been a plumbing, radiant heat and solar contractor and installer for 30 years. A long-time RPA member and columnist, he is manger of training and education with Caleffi North America. Catch his hydronic articles in every issue. caleffi.com

Roger Grochmal – Ask Roger

Roger Grochmal is the president of AtlasCare, a heating, cooling, and indoor air quality contracting firm in Oakville, Ont. that has been servicing the Greater Toronto Area and Hamilton region for more than 75 years. He offers management insights learned from inside the mechanical trade. atlascare.ca

Doug MacMillan – Marketing

Doug MacMillan is president of The Letter M Marketing, a full-service company experienced in all realms of marketing that is located in Guelph, Ont. He brings his knowledge of marketing with a mechanical edge to each issue of Mechanical Business. doug@thelettermmarketing.com

fred bretzkeFred Bretzke – Plumbing

Fred Bretzke is a full-time pipe trades instructor with SAIT Polytechnic in Calgary and the general manager of A&B Plumbing & Heating. He can be reached at fred.bretzke@sait.ca

Gord Cooke – High Performance HVAC

Gord Cooke is a professional engineer who has spent 20 years helping builders and HVAC contractors implement innovative technologies into high-performance homes. He has particular expertise in IAQ and air flow management in houses. Watch for his perspective and advice on HVAC topics that are pushing the envelope. airsolutions.ca