I keep about 1 cord of firewood on hand for the Fisher. Since coal is the main heat source here I no longer rip through the 6 to 8 cords per year that I used to with the Fisher and the Kent Sherwood (which was replaced by the Harman Mark I). The Fisher is an insert in the fireplace, it no longer vents directly into the flue, I have a SS liner connected directly to the top of the stove. I have the original filler panels and damper installed as well. The Fisher is not very efficient, it tends to eat up a lot of wood. I got the stove for free from a friend around 15 years ago. The inside baffle was missing or it may not have ever had one. I made one from angle iron and a cast iron floor stand for a produce bag dispenser.
The piece did not fill the whole width of the baffle, I filled in the sides with some plate steel. It has been in the stove for about 10 years now. The Kent Sherwood used about 1/2 of the wood the Fisher uses and produced lots of heat. I also have the screen for the stove so it can be burned with the doors open. I would say that it is not a "low emissions" stove. Look back on this thread for photos of the baffle installed in the stove.
Check these out:http://hearth.com/econtent/index.php/wiki/Fisher_Stoves
This link is broken, either the page no longer exists or there is some other issue like a typo.
One thing for sure is that it is built like a tank and is very heavy.