Last seen: Aug 29, 2025
If they are this company, then their website says they are MCS accredited (certified), and it also answers @editor's question, they are HIES registere...
We need to look at this more closely, all the more so given your heat pump was installed this April. If it means exactly what it says, it won't be rep...
I take it that is the desired indoor air temperature. If so, it raises a question mark as MCS (the official (though some say clownish) body that overs...
@toodles - my TRVs do the same thing, when fully open and fully screwed into place, they partly close the valve. Shocking design. If I screw the valve...
@econonsense - the heat loss is an essential part of the design process, it is used to determine the size of heat pump. I should mention in passing th...
@econonsense - that doesn't sound right at all. Can you give more details - size and make and model of heat pump, installation details, heat loss calc...
First defrost cycle of the new heating season (LWT drops below RWT): Note also how the 60min trailing COP drops from about four 12 hours earli...
It is not either or, you can use both weather compensation and a timer. In my case, I have a fully open system (all TRVs always fully open, rads bal...
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