John Gusdorf

Creating Heat and Light

Author: Mike Bell and John Gusdorf

free CONTENT

January 01, 2005

A Canadian program tests the efficiency and future potential of residential combined heat and power systems at its residential building test center. [continue reading]

Drain Water Heat Recovery Devices

Author: John Gusdorf, Charles Zaloum and Maxime Lafrance

premium CONTENT

May 01, 2008

Drain water heat recovery (DWHR) devices are little-known but effective means to save hot water energy and homeowner dollars. [continue reading]