2011/10/16 Peter Heckert <[email protected]>: > However, with a COP of 6 the ecat is probably not cheaper, because electric > energy is so expensive and will probably become much more expensive in > future. So I will probably not buy one, even, if it works. >
E-Cat can also use natural gas as a heat source. Would you buy it then even if COP is mere 6? –Jouni
