Berlin wrote:good eastern KY bit will burn easier, longer and with more heat and less ash than anthracite. good bituminous coal won't produce clinkers so that's really a non-issue, and KY coal is "free-burning" so it doesn't bridge or melt in the firebox. try it out, you'll probably love it, many people I know have actually switched from anthracite to good eastern KY bit coal at similar and even higher prices.
Where do you get good eastern KY coal? I live in RIchmond, KY