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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Nov 15, 2025
Profile Activity
Topics: 18 / Replies: 3379
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RE: Installing a heat pump in a Grade II listed property

True (which is one reason I advocate it for pump sizing), but it doesn't support extrapolation to other scenarios (ie houses) unless you have enough e...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Agile: average import cost vs other tariffs?

The conclusion is right but just to correct the units - you have a 10kWh battery and it charges at about 2.1kW. Think of kW like speed and kWh like ...

1 year ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Agile: average import cost vs other tariffs?

You could well be right. I didn't look into it that far because I fail Octopus Intelligent Go at the first hurdle. Although I have an EV its only co...

1 year ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Installing a heat pump in a Grade II listed property

I don't think so and hope not. I grant that heating, while fundamentally simple, is actually rather complex. However there is, in principle, a vast ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Installing a heat pump in a Grade II listed property

All agreed, with the possible comment that theoretical models are (currently) invariably based on well adjusted/designed heat pump systems, and we kno...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Tarrif model for ASHPs

Thanks for this its always good to have some real numbers. In terms of judging payback I don't personally put ASHP and batteries in the same category...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Agile: average import cost vs other tariffs?

In case it helps I recently posted a tarrif model in this thread/p> You may be able to adapt the assumptions to your case (which isn't so different ...

1 year ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: A bit of a straw poll about device connectivity

Its an important part of running a heat pump for many, and other renewable technologies, so I think it merits coverage.

1 year ago
Forum
Your Home
Reply
RE: Ecodan - Auto Adapt

Can the wire be extended. If its just a thermistor, which is fairly likely, it will have a pretty high resistance so extending it with some ordinary ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Tarrif model for ASHPs

@abernyte I would dearly love someone to show me I'm wrong. ToU tarrifs are a faff (which is why I made 'lazy' assumptions) and a battery would do aw...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Tariff model for ASHPs
1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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