Caleffi's What’s New Under The Sun? begins with a primer on solar heating fundamentals, then presents a wide spectrum of design concepts and hardware options for solar water heating and space heating.

idronics™ is a semi-annual educational journal series from hydronic manufacturer Caleffi to aid professionals as they design systems, confront component application and selection. This publication is written by engineers and oriented towards innovative design techniques.

Caleffi first began the publications 12 years ago in Europe. Since then, the publication has met with much success, and is frequently referenced by contractors and designers.

The third issue "