Hi, I talked to the Econoburn people today.Same $ as the Tarm. They claim that do to larger amount of refractory mass and a modulating fan that their unit is less dependent on the storage tank than the others. Salesmen should always be taken with a grain of salt. However what he was saying does make some sense. He also claimed greener wood was acceptable. I do really like the idea of water storage, but even in homemade form it adds quite a bit of work and money. Then I would suddenly be wanting a radiant loop .$$ The only thing that didn't seem perfectly made on the Tarm solo was the gasifing firebrick underneath. The e-burn has much thicker refractory. Perhaps the thick refractory bottom chamber will allow easier relighting after the fire has been out a bit? Would this boiler actually be better than others assuming no storage?