A rocket mass heater is a combination of a rocket stove and underfloor heating. A rocket stove works by having such a strong draft created by the heat rising up the chimney that the flames can’t ...

Then the system enters a standby mode where it feeds in just enough pellets to maintain the flame. When the thermostats stop calling for heat, the whole system shuts down, ready for the next burn.

ONE OF THE PERKS OF COLDER WEATHER IS COMING BACK INSIDE TO ENJOY A TOASTY WARM HOME, AND THERE ARE PLENTY OF WAYS TO TURN UP THE HEAT, INCLUDING PELLET STOVES. CONSUMER REPORTS JUST EVALUATED 11 ...