John Siegenthaler

You’re invited to our complimentary educational series, Coffee with Caleffi™.  The popular series is an online technical training webinar and is intended for engineers, contractors, designers and wholesalers. What’s next? Air-to-Slab Heat Pump Systems Thursday, Nov. 17 12:00 – 1:00 p.m. CST Technical Content Level:  Intermediate  REGISTER TODAY Air to water heat pump technology is steadily gaining traction.  When a heat Read more

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 31st edition of idronics™:  Fundamentals of Pressure Reducing Valves.  This newest edition builds a technical foundation for selecting, installing and servicing pressure reducing valves.  Readers will learn how, when Read more

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