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Last seen: Sep 17, 2026
I cant sorry. Its based on some calculations I did from Mitsubishi's R32 COP VS FT tables, which roughly gives a penalty of 3% for each degree increa...
Maybe this: or maybe that the effect you are seeing is not caused by setback (correlation does not equal causality) or maybe it is but not due ...
Two days will never be sufficient because the run up and the days after matter as well. Somewhere in the West Country (I think) there are two houses ...
I dont know TBH. Quotes for installed batteries seem very similar, a bit more than: 2.5K=5kWh, 5k=10kWh, 8-9K=20kWh. I am including cost of capital....
I apologise that I have been silent on this for a while, my mind has been elsewhere, not least fighting Vodafone (long story, in essence they are obst...
Reduced cost (as opposed to profit) is equally a motivation. However you are right about batteries; I simply cant get the business case to work with ...
I wondered about that! Thats a bit naughty. I get that. Summer my net import is essentially zero, but that is made up of 2.5MWh import...
Being pedantic I think it should probably read should read: Max charge/discharge rate is 2.6kW
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Latest Posts
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RE: Heat Pump deployment statistics: June 2026
To my eyes, sat behind all of this is a basic policy ma...
By Temperature_Gradient , 12 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 16 hours ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 16 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 18 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Have you looked at the Nibe website? They list their ap...
By Lizzie , 20 hours ago
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RE: Why are ASHP installs so expensive?
A not unreasonable position and it wouldn’t be mandator...
By AndrewJ , 20 hours ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 2 days ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 2 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 3 days ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 3 days ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 3 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 3 days ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 4 days ago
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