Re: Worth leaving shower/bath water to cool down?
50 gal x 8 pints/gal x 20 degree drop in temp = 8000 BTU 8000 / 134000 BTU (per gal kerosene) = 0.06 or 6/100 if 1 gal...
3 comments
posted 17yrs
posted by citizen.patriot
3 comments
posted 17yrs
posted by citizen.patriot