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Last seen: Aug 11, 2026
@solenoid Welcome to the forums. I wrote this reply and posted it in the original thread before I saw @editors response here. I hope I h...
@solenoid Welcome. I have made some comments in the separate thread you started here
I think that plan is called net zero! I suppose we will need some investment in gas in the interim to keep aging networks going. It would help a lot...
I have seen it said that towel radiators should always be fully closed because they have very little flow resistance so are pretty much a 'short circu...
No need apologise, anything you can tell us about thermo off would be welcome. Personally I would switch it off and use features accessible from the ...
For clarity its not my heat pump. The heat pump (and house) belongs to @trebor12345 My only role is to tray to assist!
Fair enough. There seem to be ways to achieve the same without flipping dip switches which personally I would have preferred because they are more ac...
I have wondered the same. It seems a Hitachi engineer set up the thermal off and it's hysteresis to prevent short cycling which was apparently occurr...
Apart from the oversized heat pump and the solar gain, do you have any other problems in terms of comfort or running cost? Im guessing it cycles a fa...
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Degrees of Separation
Latest Posts
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
Depending on your flow temperature you should get a SCO...
By JamesPa , 7 hours ago
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RE: PV and battery long payback - sense check query
They can also obtain smart meter data with a w...
By EtchedPixels , 9 hours ago
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I don't notice mine defrosting, and most of the time Im...
By JamesPa , 9 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Not interested in a plug in device, or 800w. Just need ...
By dansus , 13 hours ago
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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 , 20 hours ago
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RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 1 day ago
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I meant to say I cannot register my kit at Energyplus… ...
By Batpred , 1 day ago
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RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 3 days ago
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RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 4 days ago
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RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 4 days ago
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RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 4 days ago
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RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 5 days ago
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