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: Jun 8, 2026
From the Full SAP Report: Space heating requirements: 8314 Kwh/year I can see the U values for all of the structure, but don’t understand the fina...
I done some checking with chatgpt and yes its 7 KW output with an input of approx 2KW, thank you for correcting this. So at 20W/m2 and 200sq/m that'...
Is that 7KW input or output. If 7KW input that's way oversized. I have attached an image of the name plate on the heat pump, for confirmation. I ha...
Thank you for the clarification on how the de-ice cycle works. Regarding the question on flow rates across the heat exchanger. I have this split sy...
I have been making some adjustments to the heating and would like to clarify a point. If you are having short cycling issues, is it best to slow the...
@jamespa Thank you for the reply. That clarifies things. I hadn't read the starters guide, but will do now. It's a 2 port buffer. When zero or b...
Thank you, that helped in my understanding. I believe this Hitachi split system takes water from the buffer tank/underfloor to defrost the evaporator...
The trouble is that I do not know enough about how heatpumps work at the moment, to offer any reply to this.
Thats a lot of data!
Thank you for the info. If I am reading it right, it only quotes the output power. From the data can you work out the min input power?
- 26 Forums
- 2,667 Topics
- 62.4 K Posts
- 372 Online
- 7,075 Members
Join Us!
Directory
Degrees of Separation
Latest Posts
-
RE: Say hello and introduce yourself
@singlespeed potentially the first Haier heat pump on t...
By Mars , 7 hours ago
-
It's not that other passport users may or may not have ...
By Transparent , 8 hours ago
-
RE: GivEnergy inverter tripping due to over-voltage?
@tim441 to my mind, this intervention by SSE hasn't tol...
By Transparent , 9 hours ago
-
RE: Minimum and Zero Disrupt Heat Pump Installations
@l8again It seems you did very well. With our HG h...
By Batpred , 12 hours ago
-
RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
Just wondering how you went in the end? A guaranteed 40...
By Batpred , 13 hours ago
-
RE: Cooling with air to water heat pumps
Its really a non starter unless designed that way to st...
By dgclimatecontrol , 18 hours ago
-
RE: Vaillant Arotherm Pro vs new Plus
That makes sense. If the heat transfer into a cylinder ...
By Batpred , 18 hours ago
-
RE: What is the Heat Geek Guarantee?
Thanks, we also heard about the thermal store, to be us...
By Batpred , 19 hours ago
-
RE: Growatt battery disconnected
Morning folks! I can finally let you know that I have...
By Eliuccio , 19 hours ago
-
Sadly we also have rodent damage to the hot water syste...
By AliRam , 1 day ago
-
RE: MCS 2.0 - Changes in January 2025
I so recognise that. My first employer, which I worked...
By JamesPa , 1 day ago
-
RE: Outdoor Battery Solutions?
For us, adding a 16kwh battery means a heatpump can red...
By Batpred , 1 day ago
-
RE: UPS to keep broadband and wifi available during power outages
I have used APC UPS for as long as I can remember for h...
By Old_Scientist , 2 days ago
-
Octopus Fan #3 Bodmin Moor IFISA — Fastest Offer Close Ever?
I had notification of an offer from Octopus Energy to i...
By Toodles , 2 days ago
-
Thanks, @ashp-bobba. That confirms me in not wanting to...
By Majordennisbloodnok , 2 days ago



