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JohnR
@johnr
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Estimable Member
Joined: Nov 25, 2024
Last seen: Apr 8, 2025
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Topics: 0 / Replies: 106
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RE: Who's your electricity provider and what's your tariff?

Your logic is sound. I've got similar battery capacity (2 x Powerwalls) which have only hit empty once so far this autumn/winter with my 7kW Vaillant ...

8 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: The UK’s Heating Nightmare: Why Many Systems Fail Homeowners

As someone who is considering buying an EV within a few years, I would much prefer to invest in one which supports V2H and V2G given that the vehicle ...

8 months ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: In the Bleak Midwinter... Midea heat pump performance, poor COP and windchill in action

A thought, FWIW. Where is the OAT sensor located and does your system configuration allow you to set an offset? I've noticed that the OAT sensor (loca...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Baffled by heat pump size/ choice!

Try reducing the DHW hysteresis setting and schedule the DHW to come on just before and during periods when the hot water is likely to be used. The hy...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Baffled by heat pump size/ choice!

Given the very slow response of UFH, I'm surprised that it's noticeable if the heating goes off or an hour or so. And a new build, if insulated to cur...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Excessive performance/system issues with GSHP

Is the buffer tank in the house? If so, any heat loss should be contributing to the domestic heating and, for the summer half the heat should be makin...

9 months ago
Forum
Grounds Source Heat Pump (GSHPs)
Reply
RE: Baffled by heat pump size/ choice!

I've just checked in my Vaillant app and see that I can set my Arotherm to heat the hot water up to 70C which is higher than you are envisaging. The d...

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

In the Vaillant app go to Settings (the cog wheel icon) > Control > Heating > Weekly planner and put in a temperature below the setback value...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Massive Electricity Cost for Running My Air Source Heat Pump

Here's a good example of how to build a hot water cylinder shed starting with a well-insulated base.

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Massive Electricity Cost for Running My Air Source Heat Pump

I have to wonder about the temperature inside that shed. Earlier you noted that it's a pressed steel shed. Did the installer add a generous layer of i...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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