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Last seen: Sep 17, 2026
From the website I think it's a heat store not a conventional dhw tank. Not a good idea with an ashp and could very likely explain what is happening....
@errmm Difficult to tell from the photo what's going on, but those are at least 300l possibly 400. Need a photo where you can see the pipework and wh...
Not to mention hot air. The individual could be a good source of renewable energy! Thats my chance of getting a US visa gone. No that I intend goi...
Just to add some numbers to my comments above, a 6ft high tank sounds like 300l at least. 300l at 50C will yield 400l at 40C when diluted with incomi...
You probably cant, MCS is, at least from the reputation it has here,essentially useless as a consumer protection organisation Contraflow...
I didn't know that, what a sensible piece of programming on the part of Vaillant (but obviously not right for saving sessions!)
It is the norm that heatpumps are set to heat DHW only to 50C, or even less. Depending on the refrigerant (R410 vs R32 vs R290) they may be capable o...
@jamiejones85 OK so about 110 sq m with cavity wall insulation a good level of loft insulation, double glazing but uninsulated floors. 'Feels' lik...
I dont think we should ignore the fact that the US has vast oil reserves. That puts it in a different position to the UK which doesn't. Its in the i...
A2A is relatively uncommon (at present) in domestic scenarios in the UK although absolutely standard in the commercial world. The two sectors (commer...
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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 , 4 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 8 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 , 8 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 11 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 , 12 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 , 12 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 , 2 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 , 3 days ago
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