I was fortunate to have had the late, great Gil Carlson as one of my teachers. He invented primary-secondary pumping in the early '50s and went on to do many ot

I wrote this book to describe the beautiful workings of hydronic heating systems and I tried to use words that made the subject spring to life in a visual way.

So you know about engines. And you may have read some of the Haynes manuals, the "Holley Carburetors" and the "How-to..." books. Maybe you know how to repair an

From simple applications to multi-load / multi-temperature systems, learn how to use the newest and most appropriate hydronic heating methods and hardware to cr

I wrote this book for people who prefer plain-English explanations of how things work. You won't find much math in this book. No formulas. No mumbo-jumbo. What