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Last seen: May 31, 2026
[quote data-userid="5190" data-postid="19305" A volumiser in the primary, together with a good insulation of the PHX to reduce delta T to around 1C m...
@cathoderay With regard to the cycling:Exactly what controls do you have? I understand you have a manufacturers weather compensation system, and T...
A few ideas to consider: The ashp is outside - no doubt it's measuring produced power at the unit, so will include any pipe losses that the oil boil...
"Natural" gas is effectively an unlimited supply of highly flammable material - and so is super dangerous! Our R290 gshp is outside (tick!) and use...
The heat exchanger material conductivity is actually a compromise. Through the material, the thin way, we want high conductivity. Along the material...
@gutoffowc Plastic heat exchangers are usually used inside MVHR units. For an air:air heatexchanger, there's not that much heat transfer needed ac...
@iancalderbank I'd love to see MID certified meters installed under MCS, and then a guaranteed SCOP performance from it! I appreciate the meters c...
The blog on this forum compares installed SCOP to manufacturers datasheets, giving overall average of 2.7:
I think that the price ratio of Electicity to Gas is largely responsible for the UK's reluctance to embrace heatpumps. I understand that it will come...
@gutoffowc It sounds like it needs more than recalibrating. Perhaps the original installers? We have a vent axia sentinel kinetic BH plus, it ha...
Hereās an example of a mid certified meter- if you have a spare slot in your consumer unit, itās an easy install for a sparky, split core so just clip...
The compressor is brazed to copper pipes - brazing is basically much higher temperature soldering, joining copper pipes together with a dissimilar met...
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That sounds a dangerous combination. Whichever gas is...
By Transparent , 10 hours ago
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RE: Say hello and introduce yourself
@etchedpixels Ours is a little more involved as one roo...
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You (or installer or other qualified party who...
By EtchedPixels , 13 hours ago
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RE: Design Of Cascade System Replacing Undersized ASHP
@temperature_gradient thanks but my focus is just getti...
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RE: Home energy storage & battery register
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RE: GivEnergy inverter tripping due to over-voltage?
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RE: How do I set up Tesla Powerwall export for saving sessions since AI Takeover?
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RE: Summer heat is becoming the new winter cold in the UK. What are you doing about it?
Some pics of my heat solutionsā¦ Bought the shut...
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RE: Moving growatt axe batteries
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RE: Anyone have experience with Daikin Multi+ for air to air & hot water?
Maybe, just maybe, if you are prepared to leave the doo...
By JamesPa , 2 days ago
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RE: How to heat a bathroom when using an air to air heat pump?
You can air/air a bathroom with a suitable ceiling or o...
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RE: Plug and play solar. Thoughts?
They've been extensively tested by folks like the Germa...
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RE: Electricity price predictions
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RE: vaillant arotherm plus - Failure - DHW
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