With an energy output up to four times the energy input, it’s easy to understand why geothermal and air-source heat pumps are an increasingly popular choice for hydronic applications.
I love the odd years because they contain ISH Frankfurt. This was my 12th consecutive visit to that enormous hydronic feast. Which is not to say ISH is only about hydronics.
The Caleffi 2013 catalog combines plumbing, hydronic, solar, geothermal and biomass categories into a comprehensive presentation with detailed product information and list pricing for your convenience.
Fritz Kreiss has been saving energy for customers for almost two decades. Kreiss and his wife, Catherine McQueen, own Alternative Utility Services, a full-service energy and sustainability consulting firm.