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: Aug 13, 2026
Nice neat plumbing job! I cant see the plant room on the rather low resolution plan. Where is it? Also the key drawing 12327-1000030975 is too lo...
ah - not the greatest routing. Is it possible to insulate and/or isolate the pumps from the structure?
Not sure I agree with that. Thermodynamically lower deltaT=higher average emitter temperature for any given flow temperature = lower FT needed at t...
This looks odd: Heat transferred = F*DT*.0633=18*3*.0633=3.4kWPower consumed = 2.4kW 3.4kW delivered to the house is not unreasonable at ...
I think there may be some oddities about the COP reported by the app at present and possibly going forward. My app (v3.31 build 24435) no longer se...
Is it still cycling, at what FT/OAT? Mine appears currently to be at the 'sour spot'. OAT about 11C, still just cycling, COP 3.9, target FT ~32. I...
Is it possible there is air still trapped in the system. Mine took a month to clear and despite the presence of an auto bleed valve one radiator need...
I cant remember what Ecodan reports but some heat pumps report energy consumed and environmental gain. In this case cop = energy consumed/(energy co...
I would personally be sceptical about reaching any conclusion that goes against the norm of heat pumps. In the end the Cosy is a heat pump, subject t...
If you paid for any of the assessments try asking for the full calculation. I did for the one I paid for, very useful.
@drei Thats a nice designer radiator which it would be a shame to bin, and the space is otherwise useless. That said vertical panel radiators dont...
- 27 Forums
- 2,744 Topics
- 64.4 K Posts
- 536 Online
- 7,148 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Flushing system, cleaning and inhibitor
Yes, my 50L volumiser uses the two lower ports, so ther...
By Old_Scientist , 19 seconds ago
-
RE: Who's your electricity provider and what's your tariff?
Can't say I disagree, @toodles. Given most households u...
By Majordennisbloodnok , 32 minutes ago
-
I've been thinking about this and can't help but feel t...
By Majordennisbloodnok , 2 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
@transparent I seem to recall that you may have sugge...
By JamesPa , 6 hours ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 20 hours ago
-
RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 1 day ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
By Toodles , 1 day ago
-
I don't notice mine defrosting, and most of the time Im...
By JamesPa , 2 days ago
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 2 days ago
-
RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 3 days ago
-
I meant to say I cannot register my kit at Energyplus… ...
By Batpred , 3 days ago
-
RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 4 days ago



