There are few commercially available rocket
heaters in the USA:
1)
Dragon Heaters
2) Zaug Stoves
3) Liberator Rocket
Regarding all three options, these only represent the rocket heater itself, not the ‘mass’ (
cob or masonry bench or “bell”) necessary for the rocket heater to heat up and which releases heat long after the rocket heater fire has gone out. The latter two are also all metal designs, and among the rocket heater community a common saying is “metal is doomed” due to spalling of the metal in the high temps developed in a properly insulated rocket heater core (2100-2200•F.)
Also, these represent “J” tube configurations, which are being eclipsed by “batch box” designs (with a small traditional firebox and door) which can be seen at Batchrocket.eu - Introduction and in most of Matt Walker’s designs
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