J F Graham wrote:Is it better to load a heaping load, say 12 inches deep, or would this be a waste of coal compared to a shallower bed of coal( 6 or 7").
Always fill it as deep as you can, and control the rate of heat by opening the air intake less or more. If you look at a hopper-fed stove, you see that as soon as the coal level drops due to fuel consumption, the hopper immediately feeds more coal to maintain a full firebox.
J F Graham wrote:Got the boiler running pretty good but seem to be using a lot of coal about 70lb of nut per day. Have 1400 SQ FT ranch with boiler in full basement. live in upstate NY, and temps have been pretty cold.
70 pounds sounds maybe a little high, but not outrageous. A lot depends on the tightness and insulation of the house. Do you know how much oil you would have burned in comparable weather, before the coal boiler installation? That would provide a good measure of BTU usage to compare to the coal. A picture would help (we LOVE pictures) and description of your setup, stove pipe, dampers (manual and/or barometric) and chimney.