Can I burn hedge in my RMH? Or would it get too hot? I want to buy some wood soon. Hackberry is also available...I could get some of both. Thoughts please?
Assuming you built your RMH out of an appropriate refractory material, then yes, you can burn any wood you want. It should be designed for much higher temperatures than the woodstoves that you might heard of being harmed by burning hedge. There's no wood that's off-limits. (I figure the wood you're talking about is hedgeapple, right? Bodark? Bois d'arc? Horse apple? Osage orange?)
I'm going to have to learn more about wood...this is new to me....I think its Osage orange. And yes I built my RMH using firebrick, refractory mortar, hardware cloth with perlite/clayslip, stove pipe for ductwork, bricks/rocks/cob for mass, no lime or cement used.
Then the denser and more energy-rich the wood you are burning, the more you will get out of your RMH. Any dry wood will work, better wood will work easier.
Popeye has his spinach. I have this tiny ad:
Switching from electric heat to a rocket mass heater reduces your carbon footprint as much as parking 7 cars