Last seen: Jul 9, 2025
As per Robs comment @robs this is a R290 model which will operate down to 2kwh output…. ironically R290s are being hailed by some as the high te...
james you appear to be sighting an example which I have never said. I have never asserted this statement so I don’t see why you are saying it. Abov...
@jamespa apologies James I’m on a train so dashing between platforms
@heatgeek I wouldn't normally comment on such a varied emitter scheme. I think I’m just trying to establish a few principles of HP operation in a simp...
My first thoughts are that the process is more dynamic than your model suggests. Your idea that demand is determined by the house isn’t quite how I se...
hi @jamespa Thanks for your reply. Thinking I can see a pretty good analogy and I will post it in the morning. 👍
Yes I think That’s quoted quite a lot if I’m getting your ratio of 3 correctly. The problem is, like all rule of thumb approximations is that that man...
My original post was as follows….
Thanks for the nod James Hopefully my hand drawn “spreadsheets” are working now…. and the more detailed spreadsheet….. I hope the numbers are ...
Thanks for the official documentation info @transparent . I hadn’t read the most recent offering…. Is it me or does it really avoid tying anything dow...
not sure I agree… most of the sizing issues can be done at the design stage as a calc exercise. And as you and I have discussed previously… the design...
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RE: Buffers, hot water and cooling
@prunus, @jamespa is correct, but removing the buffer ...
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@downfield and @toddles, this isn’t in the settings cur...
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RE: Antifreeze top up for my heat pump - is this a rip off?
For the record, Grant supply ethylene glycol for their ...
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
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RE: Say hello and introduce yourself
Hi @topher - you might be interested to see this very r...
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Ebac 5kw - Monobloc R32. Developed and made in UK - Mit...
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RE: BUS Grant: removal of all other fossil fuel heat sources
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By Transparent , 5 days ago
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Don't do much digging around.That's best left to the pr...
By Transparent , 5 days ago
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Hi all, I was wondering if anyone had an idea of how th...
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RE: EBAC re-entering the ASHP market in 2023
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RE: Compute heat loss from energy used
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By marcinwloch69@gmail.com , 5 days ago
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@pie_eater I have been thinking of adding cooling to my...
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RE: Cleaning up after gas meter removed
@agentgeorge Likewise in the loft space; we have 300mm ...
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