Thanks, Rick. If you saw the fireplace in person you would be less surprised it can heat the whole house. After all, it *is* 7-1/2 feet tall and weighs about four thousand pounds not counting chimney, hearth or foundation

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8