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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 12, 2025
Profile Activity
Topics: 17 / Replies: 2837
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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 ...

11 months 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...

11 months 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...

11 months 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 ...

11 months 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.

11 months 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 ...

11 months 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...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Tariff model for ASHPs
11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 5
Views: 1093
Reply
RE: Battery storage solution with ASHP

@gary @toodles @majordennisbloodnok Thanks for the comments. Im working up a simple excel model to test various tariffs based on load from the m...

11 months ago
Forum
Energy Storage
Reply
RE: Battery storage solution with ASHP

Yes, Im sceptical about the longevity of some of the more extreme current tarrifs and any info about likely future tarrifs would at least allow a fain...

11 months ago
Forum
Energy Storage
Reply
RE: Battery storage solution with ASHP

@toodles , @gary Thanks. Im developing a simple excel model that I can plug various tariffs into. I suspect that the Ovo 15p for heat pump consum...

11 months ago
Forum
Energy Storage
Reply
RE: Battery storage solution with ASHP

Im going through a similar process, working out a sensible battery setup with ASHP, electric car and 4kWp of PV. I still cant get the finances to sta...

11 months ago
Forum
Energy Storage
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