Hot Water Heat Websites:
gfxtechnology.com
GFX Drain Water Heat Recovery Systems (DWHRS)
GFX is the original and most efficient drain water heat recovery system (DWHRS) developed on the U.S. DOE Grant described in the CADDET Newsletter...
heatsource1.com
Heatsource 1 Outdoor Wood Burning Furnaces Manufactured in Galesburg KS
Outdoor wood burning furnaces from HeatSource 1 provide for great outdoor heating systems. Our outdoor wood burning furnaces heat water from wood, corn, pellets which, in turn,...