actually on the ecat.com site :"Leonardo Corp guarantees a COP of 6 for the ECAT, meaning that it takes a required 1 kW of input power to produce 6 kW of heat",

actually on the ecat.com site :"Leonardo Corp guarantees a COP of 6 for the ECAT, meaning that it takes a required 1 kW of input power to produce 6 kW of heat", which is, granted, quite an achievment.