Greetings all,
New, novice coal burner here...I'm looking to heat my 2000 sq. ft. single story workshop with coal. I live in PA, just 30 minutes South of the anthracite region. I need advice...if you're bored by novices you should stop reading now.
I'm looking for a hot air furnace that will heat my workshop comfortably. I hate being cold when working.
My shop is recent frame construction, well insulated, R19 walls/R30 ceilings at 9 ft. high, One half is concrete floor the other half is uninsulated crawl space. Heating contractor friend did a heat loss calculation and determined I need 50,000BTU per hour, although I have Northern exposure to sustained prevailing winds, which leads me to believe I want a bit more than that.
I am looking at the Fire Chief FC500 coal burner. Good warranty, looks well built and according to the specifications, it will hold a lot of coal.
My questions are...if I use a furnace a bit larger than I need, can I expect a longer burn time if I'm heating a space smaller than it is designed for? I'm away at my job about 12 hours per day and don't want the fire to go out. (I don't need 70 degree temps when I'm away-50 degrees would be fine) but I want it warm when I want to work there. I'm usually in the shop every evening and all weekend.
Will too large of a furnace overfire or overheat? Or might it not burn properly?
How can I estimate how much coal I might burn in an effort to compare costs to propane, oil, or wood.
Finally, the Fire Chief seems to have the forced draft fan mounted above the grates. I understand from reading this forum that air should come from under the grates for an anthracite fire to do well. Is the Fire Chief a good or bad choice?
Thanks in advance for your advice.
Regards,
Engineman3319
