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Last seen: Apr 25, 2026
Good question. I was moved by the obvious need to just stop burning stuff and polluting as much as we were. For many years I have run several air qua...
How does that square with them using a 40 ltr buffer? I thought that buffers and LLH's were the villains of the piece? Their marketing is undoubtably ...
The company are extremely tight lipped about what is inside the case. Their PR is to manufacture an "Aira branded product", so where have a company th...
Which seems at odds with this article: By switching to one of its heat pumps, which are currently built by German manufacturer Vaillant, Aira claims...
Yes other than Mitsubishi use a 35mm LLH
The default setup on a Mitisubishi Ecodan solar thermal ported pre plumbed cylinder has a LLH. My installer, who was one of the highly experienced "b...
Is there also a danger in the terminology that is being used ie low loss header, buffer and volumiser. Not all LLH's act as buffers, correctly specifi...
This is the sort of English up with which I shall not put!
My bath is attached to the building by a hot and cold water pipe and a drain and is considered part of the Building. My heat pump is attached by a hot...
A heat pump is just as attached to the building as the bath in their logic.
Policy Expert Buildings insurance has the definition of "Building" in the policy as "....Buildings also includes the permanent fixtures and fittings i...
Duly educated, thankyou!
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RE: Anyone concerned about GivEnergy?
An incredibly enlightening piece on the subject by @maj...
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Home automation and the cloud; is there a better way?
You’ve just had a brand new system installed (heat pump...
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RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
We've started to document everything, and part 2 of the...
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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'...
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Its good kit the Midea and significantly cheaper, you w...
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RE: Indevolt Batteries UK Support & Info Thread
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 19 hours ago
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RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 20 hours ago
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There are just too many unknowns for me to comment on p...
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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 , 23 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 , 1 day ago
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RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
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RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
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RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
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RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
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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...
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RE: My Grant R290 9kW Heat Pump Installation
Again, really don't know how accurate this is! &nb...
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RE: Hot water tank lose heat rapidly on random days
@jamespa Hopefully their reasons are well intended! ...
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RE: Ecoflow UK Support & Info Thread
As mentioned above, we’ve got our full review of the Ec...
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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



