Quote Originally Posted by sinewave View Post
The reason I was look at the ecodan is there is no Gas where I live and Oil has gone through the roof. I'm going to replaceing the whole central heating and water system anyway so now is a good time for a change.

However there seems to be a problem in that I need the 14kW unit which Mitsi are still developing so it looks like I'll have to look at alternatives as I need it sorted really before the end of summer.

Any other ideas?
Does your estimate of 14kw include the hot water?

the Daikin Altherma might be of interest as these go up to 12 kw. Do your heat loss calcs based on 40w/m2, this ignores the hot water storage but it is how to size for the Altherma.
The one I've just installed seems to be the dogs dangly bits and I wish now that I hadn't just replaced my old gas fired boiler with a new combi unit.