About John Siegenthaler

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.

Heat Pumps 101: How Does a Heat Pump Pull Heat From Cold Outdoor Air?

This is the fifth in a series of Heat Pump 101 videos from instructor and author, John Siegenthaler, P.E.. “Natural vs. Artificial Heat Transfer Processes” was the previous lesson in the series. You can enroll in John’s Heat Pump 101 course for free to learn the very basics of heat pumps in less than an […]

June 6th, 2023|Categories: Free Courses, Heat Pumps, HVAC Design, Hydronic Heating, Sustainable Building||

Heat Pumps 101: ‘Natural’ vs. ‘Artificial’ Heat Transfer Processes

This is the fourth in a series of Heat Pump 101 videos from instructor and author, John Siegenthaler, P.E.. “Three Modes of Heat Transfer” was the previous lesson in the series. You can enroll in John’s Heat Pump 101 course for free to learn the very basics of heat pumps in less than an hour.

Natural […]

May 30th, 2023|Categories: Free Courses, Heat Pumps, HVAC Design||

Heat Pumps 101: Three Modes of Heat Transfer

This is the third in a series of Heat Pump 101 videos from instructor and author, John Siegenthaler, P.E.. “Thermodynamic Basics” was the previous lesson in the series. You can enroll in John’s Heat Pump 101 course for free to learn the very basics of heat pumps in less than an hour.

The three modes of […]

May 23rd, 2023|Categories: Building Science, Free Courses, Heat Pumps, HVAC Design|Tags: |

Heat Pumps 101: Thermodynamic Basics

This is the second in a series of Heat Pump 101 videos from instructor and author, John Siegenthaler, P.E.. “The Difference Between Energy & Power” was the previous lesson in the series. You can enroll in John’s Heat Pump 101 course for free to learn the very basics of heat pumps in less than an […]

May 17th, 2023|Categories: Free Courses, Geothermal Heat Pumps, Heat Pumps, Hydronic Heating, Zero Net Energy Buildings||

Heat Pumps 101: The Difference Between Energy & Power

This is the first in a series of Heat Pump 101 videos from instructor and author, John Siegenthaler, P.E.. You can enroll in John’s Heat Pump 101 course for free to learn the very basics of heat pumps in less than an hour.

Transcript, “The Difference Between Energy & Power”:

Let’s look at some basic concepts from […]