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Judith
@judith
Member
Prominent Member
Joined: Nov 28, 2023
Last seen: Apr 25, 2026
Profile Activity
Topics: 4 / Replies: 515
AllTopicsReplies
Reply
RE: Avoid the Heat Pump Villain: Why Low-Loss Headers and Buffers Can Sabotage Your Heat Pump's Efficiency

@iantelescope Heat-punk is good for seeing the effect of radiator size, flow temperature and general house heat loss. You put in all house dimensions ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In the Bleak Midwinter... Midea heat pump performance, poor COP and windchill in action

I look forward to seeing the results of your script. I fiddle with our WC curve increasing/decreasing between 0.55 and 0.75 according to the extent ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Share Your Experiences with Heat Pump Manufacturer Support

Vaillant were very willing but the guy who came said he didn’t know much about software. So multiple re-installs switch on and offs later everything t...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Moving to single zone

I’m sure I’ve read somewhere that Samsung pumps don’t like going down to temperatures in the 20s so the 32C at the upper outside temperature end might...

1 year ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Moving to single zone

To make your system more efficient you need to increase both your zones’ thermostats to above the temperature you want them at (see Heatgeek for more ...

1 year ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Fitting HP pipes in advance?

In my personal experience of all things engineering no matter how carefully you try to think of everything that the future installation might need you...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant ASHP Weather Compensation with Octopus Cosy

Your Sensocomfort is the thermostat and it does work as one in partnership with the WC curve. In expanded mode it switches off once the room is above ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In the Bleak Midwinter... Midea heat pump performance, poor COP and windchill in action

Can you manually and temporarily raise the slope and or offset of your WC curve? On the Vaillant it would be by increasing the WC parameter but on the...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Power cuts, batteries and heat pumps

We’ve got a single 9.5kWh GivEnergy battery and it has been OK software-wise. Others have had real problems with the control side, in particular when ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: In the Bleak Midwinter...

We only hit -3C and 65kWh electricity in 24hrs, a couple of days ago. We were using the wood burner too since we’ve got loads of scrap wood to burn,...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Government announces removal of planning permission rules for ASHPs

I’m hoping that in practice the two heat pump rule will allow one air to water HP and one air to air. This will allow fitting a smaller air to water...

1 year ago
Forum
Government Schemes, Regulations, Training, Planning & Organisations
Reply
RE: Keeping External CYG Skyline Batteries Warm

There’s no prizes for design on our thermal cover. It’s 70mm phenolic taped in place, covered by tarpaulin to keep rain off the insulation. The batter...

1 year ago
Forum
Energy Storage
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