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Last seen: Aug 25, 2026
@Mars Suggest you check your email urgently.
Flying greenhouses...we had to resort to a Shetland Polycrub. At least it is still on terra firma!
My Chopper1 maul has been officially retired! It is an exceptional splitting maul for rounds. Don't see them much but it served me well for 30 years.
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!
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Degrees of Separation
Latest Posts
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RE: How Accurate Is My DIY Heat Loss Calculation?
@editor Thanks Mars, I have been enjoying playing with ...
By kilgorexv , 2 hours ago
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New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
I am feeling baffled and worried:We are having a an Aro...
By GutoFfowc , 5 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 8 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 8 hours ago
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RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 9 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 1 day ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 6 days ago
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