Last seen: Dec 26, 2025
OK, time for an update. The month of February has seen our ASHP use 553.2 kWh and produce 2050, giving a COP of 3.7. During the same period, the sol...
OK, let's have a go. Air has a specific heat capacity of 1.005, and 1m3 air weighs 1.205kg at 20degC. In fact, we keep our house at 19degC, which is...
@editor, when you took these images, did you also take one or two baseline shots? I've generally found it useful to have an idea of the temperature of...
Actually, @Derek-m, I'm rather surprised too. It's not so much a matter of what people should do as much as what I suspected they might or may do. Wit...
I'm only an owner, not an expert. However, I have a PV array that's rated at about 6.5kW, so should give you some context. What I can say is that du...
Similar motivations here, albeit we put a lot of effort into making sure we got lucky with the installer. Oil boiler was about 20 years old and we wan...
Well I've got an Ecodan. The heat pump outside is really quiet, but even so I can't even hear any internal pumps in action.
@kev-m , thanks. That makes sense. Good to be corrected.
Given a lot of these wind farms are in the sea, can anyone explain to me what the difficulty would be with constructing something - either to pump wat...
Forgive me if I’m being dumb, but I thought a 7kW ASHP would draw a maximum of 7kW, not deliver. If that’s correct, even when really cold and only del...
@editor ...except they have; they've just discounted HVO. Don't get me wrong, I disagree with the decision and I can see a number of issues with the...
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And to you too. Wishing you a very enjoyable festive s...
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