Last seen: Apr 24, 2025
@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...
Here’s an example of a mid certified meter- if you have a spare slot in your consumer unit, it’s 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...
@transparent We have a 100A fuse now, and 25mm^2 tails. It was originally a 60A fuse. I think the cable into our property was installed during ho...
Latest Posts
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RE: Commencing on an ASHP Installation Process
I should perhaps have mentioned this in my post, as I'd...
By Sheriff Fatman , 8 hours ago
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RE: Mitsubishi cycling while on chilled water output
@jamespa you are so much faster than me, happy to see g...
By ASHP-BOBBA , 8 hours ago
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@jamespa Thanks for the advice - very helpful. I had al...
By abam48 , 18 hours ago
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RE: Weather compensated secondary circuits with Biomass
Hi @andycoo we do an LK 110 standalone weather compensa...
By Sune , 19 hours ago
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RE: Adding battery storage to SolarEdge PV system
@chandykris No need to apologise at all! I forgot to ad...
By Toodles , 2 days ago
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RE: Say hello and introduce yourself
Yes please do Suggesting a loss in the region...
By JamesPa , 2 days ago
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RE: Surface mount or bury primaries for heat pump installation?
Can we have some links to those you're considering plea...
By Transparent , 2 days ago
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As I have reported elsewhere we turned on the cooling o...
By downfield , 3 days ago
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@hughf, I think we’ll organise an RHH session at Instal...
By Mars , 3 days ago
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@el3b Hi, sorry to hear that, it is advisable to instal...
By ASHP-BOBBA , 3 days ago
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RE: Difficult positioning of air source heat pump
@rikiarn Out of intrigue, the thread reads as though Ai...
By Sheriff Fatman , 4 days ago
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RE: Mitsubishi Ecodan Fails to Heat Water despite temperature drop
@m1kegibson If you are able to access the service me...
By HarriUp , 4 days ago
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RE: When will heat pumps and install prices come down?
... which of course is impossible because the world mov...
By JamesPa , 4 days ago
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RE: Battery storage to run Heat Pump.
I would be surprised if the battery chemistry is going ...
By Transparent , 5 days ago
