John Siegenthaler

Caleffi North America, Inc., a leader in state-of-the-art engineered solutions for hydronic and plumbing systems and committed to providing Excellence in Education, is proud to introduce the 30th edition of idronics™:  Hydronics for Low-Energy & Net-Zero Buildings.  This newest edition describes concepts and technical details in crafting hydronic systems for these modern buildings. It stresses Read more

Coffee with Caleffi: Fundamentals of heat metering in hydronic systems webinar. Heat metering has practical applications including apportioning energy costs to multiple customers served by a central system based on individual consumption.  Another common application is verifying if a heating (or cooling) source is producing its expected thermal output.  With the recently defined ASTM E3137 Standard Specification for Heat Read more

Author: John Siegenthaler, P.E. Available at Heating with Renewable Energy is a new textbook written by John Siegenthaler, P.E., and published by Cengage Learning.  It is scheduled for release in January 2016. This 850-page full color text shows readers how to design and construct practical systems that supplying space heating and domestic hot water Read more

The RPA’s Weekly Live Chat… and how to get in on it! On Saturday September 6th, the RPA’s first live chat session will go, well… live! The bi-weekly, invitation-only chat sessions will feature guest speakers such as prominent industry authorities, manufacturers, contractors and other trade organization directors.  One hour, open-forum discussions will cover a variety Read more

New online course begins September 15, 2014: Hydronic-Based Biomass Heating Systems Course Description: Modern biomass boilers represent the forefront of renewable energy heat sources. Their high thermal efficiency can be further leveraged through use of modern hydronics technology. This new, self-paced, online course was developed for professionals, in partnership with HeatSpring Learning Institute, and the Read more