Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Oct 28, 2026
@seaviews your installer would be right to say that the extra volume of water in the tank will help with defrosting the heat pump. That would require...
@carpenterstation you have tandem heat pumps?! Sorry I missed that.I was picking you up on your units. You used 5 kilowatt hours of energy in a half...
@carpenterstation I think you must mean “The whole house has never consumed more than 5kWh in a 30 minute period.” That means an average electrical...
@jamespa in some cases, failing the Turing test might be seen as an advantage. 😆
@jamespa thanks for your insights on this. On reflection, assuming the same flow temperature which is not necessarily true, the amount of water flow ...
@rob-of-york I realise you feel the need to be cautious, but it is worth thinking carefully about what this careful two stage approach buys you. Ther...
@rob-of-york-york if you are planning to install a flow meter, I would suggest considering a heat meter instead. This measures flow and return temper...
If you are considering phasing the project, then I would investigate the VAT implications. A heat pump installation is zero rated for VAT, due to its ...
Rather than upgrading the existing pipework, could you bypass it via a different route with bigger pipes, or could you at least replace the primary pi...
@etchedpixels thanks for giving such a full and helpful reply.
Actually, I came here today to see if there was already a forum for air to air systems! We installed an air to water system without really consideri...
SPONSORS
Degrees of Separation
Latest Posts
-
Should I change my cylinder when changing from a gas boiler to a heat pump.
I have 178 L Gledhill unvented cylinder which was fitte...
By David , 4 hours ago
-
RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 6 hours ago
-
-
@batpred The Daikin temperature probe protrudes from th...
By Toodles , 9 hours ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 11 hours ago
-
RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
They don't have to try. Our entire system is d...
By EtchedPixels , 12 hours ago
-
RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
By JamesPa , 12 hours ago
-
RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
By Chilli304 , 16 hours ago
-
Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 17 hours ago
-
RE: Buffer tank on a 2 x 14kw Ecodan system
Pretty much as I had guessed in my crude scaling from m...
By JamesPa , 20 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 1 day ago
-
RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 2 days ago
-
RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
By SusannaSaunders , 2 days ago
-
Six books in three years and I think I’ve now covered j...
By Mars , 2 days ago
SPONSORS
