John Siegenthaler - Principal, Appropriate Designs

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John Siegenthaler, P.E., is a mechanical engineer and graduate of Rensselaer Polytechnic Institute, a licensed professional engineer, and Professor Emeritus of Engineering Technology at Mohawk Valley Community College. “Siggy” has over 32 years of experience in designing modern hydronic heating systems. He is a hall-of-fame member of the Radiant Professionals Alliance and a presenter at national and international conference on hydronic and radiant heating. John is principal of Appropriate Designs – a consulting engineering firm in Holland Patent, NY. The 3rd edition of his textbook – Modern Hydronic Heating – was released in January 2011. John currently writes about hydronic heating and solar thermal system design for several trade publications.

John Siegenthaler teaches:

Mastering Hydronic System Design

Master Advanced Hydronic Design with John Siegenthaler. John works with you for 10 weeks - Learn to design state-of-the-art systems that deliver comfort, efficiency, and reliability. Approved by AIA for 26 LU/HSW.

Application of Air-to-Water Heat Pumps for Hydronic Heating & Cooling

This course introduces the technology used in modern air-to-water heat pumps and shows how to build complete systems around them.

Hydronic Based Biomass Heating Systems - Light Version

This technically-focused course is for heating professionals who want to design and install state-of-the-art heating systems supplied by high-efficiency / low-emission biomass-fueled boilers.

Hydronic-Based Biomass Heating Systems

This comprehensive 10-week course, developed in partnership with the Biomass Thermal Energy Council (BTEC), is a unique opportunity for professionals to learn from an industry expert and take their skills to the next level.

Hydronics for High Efficiency Biomass Boilers - Sponsored by NYSERDA

This workshop fulfills contractor training requirements to participate in NYSERDA's 'Renewable Heat NY' program. The course examines best practices for combining modern, high efficiency wood-fired boilers with hydronic distribution systems.

Achieving Hydraulic Separation in Hydronic Systems

This lecture will outline 4 different methods for providing hydraulic separation, some of which may reduce the installation and operating cost of a system.

Low Temperature Heat Emitter Options in Hydronic Systems

According to John Siegenthaler, The future of hydronic heating is low water temperature-- necessary to optimize the performance of condensing boilers, heat pumps, and solar thermal collectors.

Temperature Stacking in Thermal Storage for Biomass Heating Systems

This free lecture describes a unique method of managing the operation of biomass-fueled as well as auxiliary boilers for optimum system performance.

Protection Considerations for Wood Gasification Boilers + PDF Tutorial

John Siegenthaler discusses the protection of wood gasification boilers through a 58 minute lecture, and a free PDF tutorial.

The Importance of Low-Temperature Distribution Systems

In this lecture, hydronics expert John Siegenthaler explains the importance of low water temperature heat emitters and distribution designs in modern hydronic systems.