oil vs. gas
We have an oil-fired warm air furnace and I recently asked our professional heating contractor a similar question. He said that a gallon of LP gas provides ~90,0...
Discussion History
Home-built coal stove
I'd like to build my own coal-burning stove to replace the wood-burner which currently (tries) to heat my shop. Novice calculations indicate that it should be ab...
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answers
updated about 7 years ago by BV003346
