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Last seen: Oct 23, 2026
It can do provided that doing so doesn't exceed the maximum possible output power. That's the basic limitation which it can't circumvent. Your 8.5kW...
In general terms most heat pumps have this kind of characteristic unless output is capped in the firmware to flatten the curve artificially. Do ...
at 8.5p per kWh its probably not worth spending too much time optimising for efficiency unless you want to enter into the top of the SCOPs competition...
Welcome. Firstly looking at individual days is essentially useless, houses have a 'memory' so you can really only make meaningful 'measurements' seve...
Yes, the minimum cost will (almost certainly) come if you get the WC adjusted so it just heats the house to temperature so the lower you can get it wh...
just cale (cally) I would think. I dont dislike it! I just checked German, French and Spanish, all are a direct translation of heat pump - or o...
According to Google 'The word refrigerator comes from the latin refrigare, derived from frigus (meaning cold)'
Last time I looked the air in my bicycle pump wasn't visible either! Perhaps we should call it a reverse refrigerator, a rotaregifer (pronounced rot...
You have to experiment, reducing it a degree at a time until it fails to heat the house up sufficiently. TRVs (if you have them) all fully open and a...
Using the Hive may be a bad idea. Fundamentally the primary control of heat pumps should be the heat pump's own controller, and in particular weath...
Fair enough, but the idea of a pump and the idea of energy/heat are both familiar to laymen, so I can't see we need to do anything (by way of explanat...
Maybe not. The point about pumps of all kinds is that they act against the natural flow of what they pump, and that is exactly what a heat pump does....
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Latest Posts
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The shoulder months are very difficult to judge COP on ...
By scrchngwsl , 9 minutes ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 7 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 , 22 hours ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 22 hours ago
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@transparent we’re still running a secure version of PH...
By Mars , 1 day 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 , 2 days ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 2 days 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 , 2 days 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 , 3 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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