Bob “Hot Rod” Rohr

Bob “Hot Rod” Rohr has been a plumbing, radiant heat and solar contractor and installer for 30 years. Rohr is a longtime RPA member and Plumbing Engineer and Phc News columnist. Bob joined Caleffi North America as manager of training and education. He can be reached at hotrodradiant@mac.com.

Articles written by Bob “Hot Rod” Rohr

Unquestionably, the main event for our industry is the AHR Expo. This year’s event will be in

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My first exposure to the word manifold had to do with cars, hot rods really. Names like Edelbrock, Weiand and Offenhauser were stickered across the...more...

The air and dirt found in today’s piping systems have not changed all that much over the years. What has changed, or evolved, are the...more...