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JamesPa
@jamespa
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Joined: Apr 3, 2023
Last seen: Jan 13, 2026
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Topics: 20 / Replies: 3929
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RE: 10kw heat pump run in 24*7 data?

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 10kw heat pump run in 24*7 data?

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve

How about white or any RAL colour at extra charge? Just kidding! TRV heads are available in black, white, chrome, possibly anthracite. That probab...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade

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 ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A2A vs A2W: Which Heat Pump Would You Pick?

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Replacing my 18 month old ASHP

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 10kw heat pump run in 24*7 data?

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 10kw heat pump run in 24*7 data?

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 ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Octopus Cosy Heat Pump Owners & Discussion Thread

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old ASHP

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 ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 10kw heat pump run in 24*7 data?

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...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Getting the best out of a heat pump - is Homely a possible answer?

Absolutely. Dont use it! Seriously Nest, like other smart thermostats (other than Homeley, Havenwise, Adia), are wholly unsuitable for heat pump co...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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