Discuss ASHP or MAINS GAS? in the Plumbing Jobs | The Job-board area at PlumbersForums.net
On my heat loss calc it tells me the watts needed per room and then average rad size giving a % of +or- of the current rad eg
room size is
current rad size is
watts
current rad size ie 10%+
then you play around with rad sizes to get what you want ie +%
there is never an issue with over sizing! I've oversized mine to run at 45c and set heat pump to run weather comp curve to suit. Mcs only want you to prove rad size to suit that particular room, for eg my towel rail is supposedly 30% undersized yet room hits 21c at minus 4!
1100x500 towel rail, room is 4m2 with window of 1.5m2
Sure your not thinking of 4 SQ metres, now that's what you call a shower cubical.That's not a room it's a shower cubicle
= 4 Sqm
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