Also, the ASHP in my situation will have the backup of the combi boiler in really cold conditions and the temp at which this clicks in can be changed. So it can be set to say +7 or -2 *C as the start-up temperature. A bit of trial and error would decide the best temp to set it at.
The only person who got all his work done by Friday was Robinson Crusoe.
Anything i post over three lines long please assume it is an article lol.