Quote Originally Posted by Daveg View Post
Fuel+Temperature+Oxygen=Fire There are an infinite number of permutations in this formula that result in getting firewood to boil sap, but a lot of the heat still goes up the stack unused. Terrible efficiency.
Maybe inefficient, but still cheaper (by 50%) to heat my house with wood instead of LP. And all I do is buy it - cut, split, deliverd, and stacked (2 years ahead) move it to the house and burn it.