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HCas
@hcas
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Joined: Apr 8, 2024
Last seen: Dec 12, 2025
Profile Activity
Topics: 2 / Replies: 128
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Reply
RE: Vaillant Arotherm Settings for New Installation

@bontwoody Can you open all valves, and reduce flow temp further? Various units have run at low 30s or upper 20s in the past days.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Aira Heat Pump: Stylish Scandinavian Heating

@ivanopinion Thank you! Keen to hear more about the WC point. Quite strange that customers wouldn't be able to adjust that!

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: MelCloud Outage

@chivers Thanks! At least this isn't too frequent from what you said. Ours is up and running again since earlier today around 20:00

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: MelCloud Outage

Very annoying indeed... Has this happened before? How often?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My ASHP is not performing as well as I’d hoped: COP just over 2

@harriup Does this mean your Ecodan reports electricity consumption 15% higher than actual measurements? If we assume something similar happens wit...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Problems with Daikin 18 kW High Temp ASHP

@bramshot Interesting! Do you know what COP you get?I'd imagine you prioritise control over minimal cost then?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Problems with Daikin 18 kW High Temp ASHP

@bramshot Interesting work-around you created with Hive, smart!! It still remains an on/off control, but you've essentially reduced the number of on/o...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controller experiment - looking for volunteer

@editor Morning Mars! Indeed, somewhat similar to Homely. With regards to connecting to the heat pump, the goal is to make it very simple. This me...

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Topic
Controller experiment - looking for volunteer(s)
2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Replies: 4
Views: 1637
Reply
RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

@sunandair Yes good point on the temperature during the night and impact on the heat pump efficiency! I've seen similar effects in some simulations I'...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump Comparison

Very interesting question! Unfortunately, there is no clear answer that is true for all situations. It depends on thermal mass, insulation, comfort ne...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

Thanks SUNandAIR! 3 kWh on 10 or 15 kWh is substantial, and more than I expected to be honest. So I guess for you the setbacks are now the default? ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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