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Batpred
Batpred
@batpred
Member
Noble Member
Joined: Jan 3, 2025
Last seen: Jul 15, 2026
Topics: 11 / Replies: 1071
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RE: Heat pump installation quotations

I ran a quick check using This is what it says: Based on 14,313 kWh gas annually, the implied heat loss range is 4.8-7.2 kW. Your estimate of 9 k...

4 weeks ago
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RE: Helium heat pumps

Absolutely no issues, I find it very useful. It seems I helped to derail the thread from the Helium future.. Not at all, thank you for the e...

4 weeks ago
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RE: Helium heat pumps

@majordennisbloodnok @jamespa I stand corrected, A2A need defrost cycles just like A2W! 🙂 But on the relative efficiency, given that the...

4 weeks ago
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RE: Helium heat pumps

@majordennisbloodnok I just noticed that A2A manufacturers tend to quote higher efficiencies than A2W. In practice the fact they inherently have no...

1 month ago
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RE: Several AC coupled batteries

That is a good point, a manufacturers can stop trading, more often the distributor or installer. It is certainly useful to be able to extend the life ...

1 month ago
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RE: Helium heat pumps

@majordennisbloodnok Absolutely and with efficiency being even better with a2a heatpumps, where there’s a will there’s a way..

1 month ago
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RE: BUS uplift to 9k for off grid installs. I can't establish if new builds are specifically excluded.

@jamespa Absolutely, and that just comes back to bite us through increased defense spending!

1 month ago
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RE: Several AC coupled batteries

@ian33a I never thought I could claim for damage to an energy storage system through household insurance? If that’s what you mean? Personally, I ...

1 month ago
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RE: BUS uplift to 9k for off grid installs. I can't establish if new builds are specifically excluded.

Just wondering how the running cost of an oil boiler compare with a heat pump? As it would seem that there is a sort of standing charge and then the c...

1 month ago
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RE: Several AC coupled batteries

@ian33a I agree, even if it was not particularly unsafe. The main risk in my build was following outdated leaflets and damaging any electronics.

1 month ago
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RE: Several AC coupled batteries

@etchedpixels Absolutely, I built mine as I assumed it was as simple as Fogstar made it look like. But even then, instructions were not fully up to da...

1 month ago
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