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Last seen: Jan 8, 2025
My MCS calculation spreadsheet shows a COP of 3.3, which claims to be the 'manufacturers SCOP' I don't know where they got the number from. The MCS ...
Great information @Prunus.
@phil-i, you are essentially asking, "should I get a free heat pump now or wait a bit longer and pay for it". Although Grant ASHPs seem to be less...
Yes 😉 The rated kW figure is delivered energy under nominal conditions. Most ASHPs will be able to deliver a bit more and in extreme conditions ma...
I think the scale needed to make it worthwhile is huge. It's not so much the water, it's where you pump it to. If you look at hydro or pumped storag...
@duncan-mac if your max heat loss is 8kW and you have a 7kW ASHP, what happens when it's really cold? Can the ASHP keep up?
This sort of thing goes a long way to explain it. Unfortunately a lot of people read this sort of stuff.
That's exactly what I was thinking. Factor in even 90% efficiency for gas and it's even closer. We just need the installation costs to come down a b...
I'm not so sure. Anyone installing heat pumps should know how they work. If they do, they will know an ASHP running at 50C with 3rd party thermostat...
@RV3 that looks good to me. I assume you have the heating on 24/7 as that's a very high % of heating. I'm about 65% but I have the heating off 12-5am...
It's a high standing charge but I'd be tempted by that. I wonder if it's anything to do with the latest subsidies just appearing in the news?
@riponowl the other thing I meant to say was that some of the ups and downs might be because of DHW. The flow temp seems to shoot up to 55 or so a ...
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