Paul installed our propane furnace system in a 1930s cottage style. He is very knowledgeable about all heating systems. He does have a patent for one.
From Boilers On Demand
America's First Provider of a practical Hydronic Heating APPLIANCE, pre-configured to the Customer Application. USPTO 10,690,356 & Canada 2,964,131. We integrate Delta-T ECM Hydronic Distribution Technology with Natural Gravity Convection into a "Neo-Gravity Hydronic (FHW) Heating Appliance (TM)".
We market internationally and install/assist regionally (NH) or elsewhere assist others, as Codes Permit.