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Last seen: Oct 22, 2026
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...
That's disappointing. It's way oversized almost without any doubt. 6kW is probably nearer the mark, possibly less. I will re-read your description...
@iraknic Ok I was hoping 6 was 6kW not 6 tons (an American measure of capacity roughly equal to 3kW). I suspect it's well oversized. What do y...
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Degrees of Separation
Latest Posts
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RE: Indevolt Batteries UK Support & Info Thread
@dansus yeah, that definitely needs fixing. Good spot. ...
By Mars , 5 hours ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
@toodles GIGO always stands! My Cosy 6, as you can...
By Watcher , 9 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Interestingly we had an internet outage about a month a...
By Rob of York , 15 hours ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 15 hours ago
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@transparent we’re still running a secure version of PH...
By Mars , 19 hours ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 1 day ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 1 day ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 1 day ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 2 days ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
By dansus , 2 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 2 days ago
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RE: BT cuts you off, Plusnet blames Openreach... welcome to “seamless” broadband switching
Both of which (in most cases) use Openreach for the las...
By JamesPa , 2 days ago
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RE: Renewables & Heat Pumps in the News
Yes, this is a swiss and german standard I believe, Vai...
By Batpred , 2 days ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@editor FWIW my problem was resolved, eventually, after...
By BigFish , 3 days ago
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