And to get to 250% COP in heating on average you'd expect to have, at least, 8.5 HSPF2 rating on your heat pump (it's still just the heating performance w/o de-

And to get to 250% COP in heating on average you'd expect to have, at least, 8.5 HSPF2 rating on your heat pump (it's still just the heating performance w/o de-frosting cycles as far as I understand so the real world COP of a 8.5 HSPF2 will be lower than 2.5)