Whether designing a residential or commercial system, there are several lessons to be learned from Siegenthaler, a.k.a. “Siggy,” including thermal considerations, piping, heat pump technologies, panel radiators, slab heating, controls and ECM circulators in order to provide the ultimate goals: Comfort, high efficiency and a happy customer.

Our daughter, Erin, bought our business in 2016 when Marianne and I retired. 

Once upon a time, when a manufacturers rep was foolish enough to hire me and teach me enough to be dangerous, I suggested to my boss that he would be very smart if he allowed me to do a seminar for contractors about steam heating. 

Hydronics technology has long been known for unsurpassed heating comfort. 

We had a warehouse break-in over the weekend when I was young and working inside sales (read, order-taking) for a manufacturers rep on the Isle of Long. 

Initiative aims to reduce greenhouse gas emissions.

We are proud to present this fifth and final edition in the "Siggy" eBook series specifically for the hydronics market. Brought to you by Plumbing & Mechanical, PM Engineer and Supply House Times, this FREE eBook is a collection of columns and articles from John Siegenthaler, P.E., a well-respected hydronics expert.

The Spirocombi Magnet is a high-efficiency, coalescing-type combination air eliminator and dirt separator for use in hydronic systems.