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Last seen: May 19, 2026
So sort of progress, but...are you certain its going to be OK when it gets cold again? Obviously thats the case, it always is! OK well at le...
Mostly house comfort! The overall temperature will for sure continue to fluctuate still a bit, due to things like wind and solar gain. You need to...
Thats very comparable to my experience. Do be patient as you get closer, it takes time to get the heat curve right and zones/radiators perfectly bala...
How about white or any RAL colour at extra charge? Just kidding! TRV heads are available in black, white, chrome, possibly anthracite. That probab...
Not unless either you allow the AI to turn on cooling when the sun is strong, or you give it control of the windows and curtains also! No amount of ...
I have A2W. It works well. However ... If I had a modern, open plan low loss house then maybe A2A... except that such a house would probably alrea...
Mine does make some strange noises during defrost but nothing I would describe as a rattle. I have no idea if Hitachi tech support are helpful or no...
Yup that will do! I cant see a problem with that in principle but this is something worth checking in the app. According to the app (I havent ve...
No. Absolutely do think of it as the temperature you want the room. In more detail: The heat curve slope is set by the parameter: 'Heat ...
Heat pumps should always be run with most (preferably all) of the system open. Shutting down 10-20% is unlikely to be a problem, shutting down more i...
Thats expected I wouldn't expect it to rattle. can you tell what is rattling?. I would expect it to be iced up Honestly no idea what cycle ...
Unless your house cools a lot during the setback, its still losing heat at almost the same rate - houses dont stop losing heat because you turn the he...
Latest Posts
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RE: Lower electric tariffs for heat pump users
I did some modelling using our real consumption figures...
By ChandyKris , 1 hour ago
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RE: Loud noises in the night - and one for the toolbox?
This may work hopefully now
By Jancold , 1 hour ago
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RE: ASHP Capacity loss with aging
I think the laws of thermodynamics pretty much guarante...
By JamesPa , 3 hours ago
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RE: Sizing an ASHP; Heat loss and kW
There will be no changes internally; ground floor is al...
By GutoFfowc , 5 hours ago
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OK, here's a rather off-the-wall discovery I've made th...
By Majordennisbloodnok , 6 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
I'd like to re-visit this information from Indevolt. ...
By Transparent , 7 hours ago
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RE: Advice on Vaillant Sensocomfort
I just had an answer from Vaillant technical, they only...
By Batpred , 8 hours ago
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RE: UK warm homes plan - how can it be delivered?
Thanks for that. We actually got a warm homes local gra...
By Falesh , 9 hours ago
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RE: Daikin Altherma 3 with Fan Coils in Puglia (Italy)… Sanity Check on System Operation
Hi Mars,Thank you so much for your response,I really ap...
By Simon_JM , 18 hours ago
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RE: Setback savings - fact or fiction?
Yes, also the higher OAT end is possibly a smidge high ...
By RobS , 1 day ago
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Hi Mars, I've sent you a request to connect me with a...
By sttpd1917 , 1 day ago
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Grant Aerona R290 (15.5kW) - How is DHW Target Temp calculated?
Hello all, We have just had a Grant Aerona R290 insta...
By TaffontheTaff , 1 day ago
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RE: Debugging my legionella immersion heater
I notice this (66 is rather hot) with my legionella cyc...
By JamesPa , 2 days ago
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
@transparent I thought you would spot that wind turbine...
By Batpred , 2 days ago
