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Last seen: Nov 9, 2026
@deltona Yes older houses are problematic like that, but the standard air change assumption figure is know to be on the very high side and often leads...
@deltona No worries. The air change issue is a well know error and easy enough to correct for. Sounds like a plan to fit pipework etc with a heatpum...
I think it should be possible. If you are thinking of battery storage at any time, I have looked at these from Sigenergy, which allow charging from a ...
An external heat exchanger would need a pump which would be likely to disturb stratification. Cylinders with multiple coils (eg ones with a solar coi...
That sounds like an interesting idea. Coil sizes would be a potential issue, perhaps an external heat exchanger could be used instead.
Update: The flow temperature has now stabilized at 60C as required, unlike the 55C constant flow temperature yesterday. Im going to leave it a while a...
Hi @mickamills . Welcome to the forum. It sounds like you have made a good start on optimising you heat pump and yes it could well be oversized. D...
@deltona happy to help as much as I can if you decide to investgate the diy route. You might look at heatpunk to do a heat loss survey and check it ag...
@deltona A diy install isnt as scary as it sounds. Its not rocket science and there is a lot if good info out there. Check out glyn hudsons videos on ...
Hi. Welcome to the forum. So from your house desciption the initial COP figures seem reasonable. I might question if the heat pump is a bit in the b...
@deltona Rings just about every alarm bell going. Walk away and congratulate yourself on doing due diligence.
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Degrees of Separation
Latest Posts
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RE: Plug and play solar. Thoughts?
@singlespeed, what are your initial thoughts?
By Mars , 31 minutes ago
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@batpred The Daikin temperature probe protrudes from th...
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
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They don't have to try. Our entire system is d...
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RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
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