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Last seen: Apr 25, 2026
Sadly I think it is mad. If the BUS is not granted for too low a system SCOP (I forget the exact system interface definitions and numbers) then who pa...
The air changes per hour in the leakage values is the most guessed parameter. Assessors have guidelines based on the house build date. If you have an ...
@mike-patrick Michael De Podestahas had extensive ‘fun’ with EPCs. He eventually got the basic mistake of rating an Ashp as ‘poor electric heating’ ch...
Back again to the Spanish blackout this was in the Economist last week Which says need for a change of operating procedure. Relatedly (but less...
@jamespa but is MCS capable of knowing the difference between a good, indifferent or bad installation? They seem to first check the paperwork is prese...
Since the combination of fitting plus scaffolding makes a big proportion of the price it doesn’t look as if it matters much. I’m surprised that mono-c...
We use the Vaillant app and it does everything we need. Weather compensation and now the parameters can be adjusted on the app too. There are 3 modes,...
“Anyway, we know that the assumption the heat pump will be running continuously is based on the fact a cylinder is assumed to be always part of the so...
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Latest Posts
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RE: Summer usage. Why is my Vaillant Aerotherm using so much energy on "heating"?
So the red bars are 'DHW' and the yellow bars 'heating'...
By JamesPa , 20 minutes ago
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RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
Every manufacture has a guide and service list...
By ASHP-BOBBA , 1 hour ago
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Its good kit the Midea and significantly cheaper, you w...
By ASHP-BOBBA , 4 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Have you tried cutting the grid feed to see what actual...
By JamesPa , 4 hours ago
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Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 4 hours ago
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 4 hours ago
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 14 hours ago
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RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 15 hours ago
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There are just too many unknowns for me to comment on p...
By Transparent , 17 hours ago
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RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
By ChandyKris , 18 hours ago
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RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
By JamesPa , 19 hours ago
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RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 22 hours ago
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RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
By Old_Scientist , 1 day ago
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RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
By marcexec , 2 days ago
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RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
By JamesPa , 2 days ago
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RE: High air source heat pump running costs – Vaillant AroTherm Plus
Quite right. I was using a rough guesstimate of doublin...
By Majordennisbloodnok , 2 days ago
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RE: My Grant R290 9kW Heat Pump Installation
Again, really don't know how accurate this is! &nb...
By petch , 2 days ago
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
@toodles The whole scheme is a shocking waste of money....
By Papahuhu , 3 days ago
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RE: Anyone concerned about GivEnergy?
Many thanks for your, and the subsequent, answers tk qu...
By KevH , 3 days ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
Yes, and these guys would probably be my preferred inst...
By Batpred , 3 days ago
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RE: Hot water tank lose heat rapidly on random days
@jamespa Hopefully their reasons are well intended! ...
By Bash , 3 days ago
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RE: Ecoflow UK Support & Info Thread
As mentioned above, we’ve got our full review of the Ec...
By Mars , 3 days ago
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RE: Say hello and introduce yourself
@sonosppp welcome to the forums. I see you've posted in...
By Mars , 4 days ago
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RE: Guidance with installing a new heating system
@bobflux Great, thanks for the advice. The pipe has an ...
By Hamilton , 4 days ago
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RE: Daikin Altherma 3 LT compressor longevity question
@optimistic-optimiser I have has a Daikin for a few yea...
By madsid , 5 days ago


