Last seen: Sep 15, 2025
Pretty much I'm coming to that conclusion, TBH it was my hunch when I started this thread but I wanted (and still want) to see if anyone comes up with...
No idea because not sure what they refer to. What's the context and what are the units and factory defaults? Mostly I would say leave things at...
Some manufacturers publish this data including (but not limited to) Midea, Mitsubishi, Vaillant. Its not always easy to find, Mideas is in a password...
We don't and they may well be overstated. Certainly there is a reduction in efficiency because the heat pump has to run at a higher ft, but this migh...
Possibly not. As I understand it this mode, which many heat pumps have, caps the compressor speed which reduces the maximum output but not the minimu...
It will, but it's heating more than you need assuming you are happy with the current downstairs temp and unlikely to fix the basic problem ie that the...
Indeed. In this case I would personally leave it to the heat pump. However if you can align the cycling to cheap periods that's a wholly different s...
Yes, as can more capable heat pump controllers
... which is probably its min output. At 12C you would expect cycling even if the pump was right sized, it gets colder later this week so i suggest r...
That will be the water pump capacity not the heat pump capacity, which is dependent on the house loss. The water pump may be on longer than the heat...
Latest Posts
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Ok. Two schools of thought. The first is to run the ...
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RE: Help me keep the faith with my air source heat pump installation
Er true, it should have read l/hr!
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@damon thanks. I will do as you suggest. Hopefully I wi...
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@dgclimatecontrol thanks, that's helpful.
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