Boiler: Fröling FHG 20/30 (100,000Btu/hr) wood boiler. Gas back-up boiler.
Thermal Storage: Custom-built 600 gallon open atmospheric tank with heat exchangers.
Domestic Hot Water: Solar Thermal with 120-gallon Indirect Water Heater.
Sold and Installed By: Sun Energy 1599 270th Avenue, Mora, MN 55051
The customer has completed his third heating season and is thrilled with his system. He is estimating a yearly savings of over $1,500.00. His yearly fuel consumption is 6-7 full cords of wood. The installation is located in an urban area which shows that a wood boiler does not have to be installed in the country.