Talking about biomass heat generators (wood or pellet boilers, stoves or fireplaces) lots of technical jargon is used (global power, thermal power, heat transmitted to the water, etc.) as well as definitions that should help us to understand and compare the heat capacities, the consumptions and the efficiencies of the product that we may be about to purchase.

In this article it is my intention to provide some basic explanations that help us to determine what kind of "machine" we are buying when we purchase a stove or a fireplace. As is often the case...