Last seen: Aug 18, 2025
@chris, welcome to the forums – what area (in sqm) are you heating? It sounds like a large property.
This’ll depend purely on the house. In our property, 35C flow temperature will struggle to get rooms above 17C when it’s less than 5C outside. Running...
Yes, that’s right, provided that it’s not set too low as you want to avoid the heat pump cycling.
@squeakysim, the document you’re after is Microgeneration Installation Standard: MIS 3005 and you can download it here and go to page 14:
@transparent, the quick answer is if you want your government grant as part of the Boiler Upgrade Scheme (BUS) the installers must be MCS accredited. ...
@squeakysim, as part of MCS guidelines, systems must be designed to satisfy the following internal temperatures: Living room 21C, dining room 21C, b...
@allyfish, did the same company do the ASHP and PV?
@batalto, have you made any progress in getting your system fitted?
Due to the intro forum getting sidetracked, the PV discussion that was ensuing has been moved here:/p>
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