Last seen: Aug 10, 2025
The above beautifully detailed reply by Ray shows the issue of units used. Air changes per hour ACH are easy to visualise and hence a larger room volu...
If you want to get into engineering /architectural details the there are a couple of good blogs from guys, one with a solid wall cottage
Personally I wouldn’t touch BG with a barge pole, based on 2 family experiences with them when they went into solar. On your own heat loss estimate ...
Or is refusal to burn wood when the market price is above the strike price (and the system needs power presumably) simply gaming the system to maximis...
I’ve been educating myself on electricity supply issues and the above research briefing is a balanced summary. Newspapers and statements from companie...
@derek-m and others i think I’m getting there, so can I try this out…..? There are too many dTs in this game. Derek rightly corrected me on averag...
We’ve just had ufh in our (not yet finished) extension but the rest of the house has radiators (and will stay that way). We really had to insist that ...
Naive input here: I understand that LLH are supposed to act as impedance transformers (when set up right), giving the option of a higher delta T acr...
I’m not that stupid, but I’m having trouble getting my head around this, science, engineering, physics, control engineering and programme management t...
Aaaaah! your situation is more complicated than I realised!
@toodles I asked the plumber who was installing this yesterday (we’re only going to use the electric version in the summer when the water isn’t bei...
Hi Rachel, what a great piece of work and inspiring too. Since I have no coding skills I was planning to rely on a tariff such as Cosy and battery s...
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RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
By Old_Scientist , 3 hours ago
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@majordennisbloodnok The drying out of air shouldn't ha...
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RE: Does anyone have experience of a smart water meter?
Thanks, @technogeek. So far as I can make out, whilst...
By Majordennisbloodnok , 23 hours ago
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RE: Mitsubishi PAR-WT60R-E Wireless Controller installation
@morgan They have been paired once but it was thought b...
By DavidAlgarve , 1 day ago
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RE: Isolating the system for a planned power cut
A great many ground-mounted local substation transforme...
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@bontwoody From what I’ve learned the hard way: 1) T...
By DREI , 2 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Having bit the bullet and paid £250 for a service, our ...
By Old_Scientist , 2 days ago
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New heat pump heating system underperforming in Italy... Advice needed!
hi all, first post! I've just renovated a house in sout...
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RE: Anyone still weathering it out with Agile?
I went to Agile when I had solar installed July last ye...
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RE: Mitsu Wireless Controller and MelCloud
Well it has now become obvious that the installation of...
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RE: Say hello and introduce yourself
Whilst you're busy installing services (pipes and wires...
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@editor I know it was formally announced at Ish the oth...
By PatrickVito , 5 days ago
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@moman0311 welcome to the forums. I've received your em...
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RE: Thermostat for Ideal Logic Air with 3 zone support
No harm at all in plumbing it as 3 zones, I would have ...
By JamesPa , 6 days ago
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RE: ASHP heat output monitoring
@carlo I see there is a discussion in Facebook user gro...
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
MCS have set a potential trap in the new version of MCS...
By JamesPa , 1 week ago
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RE: Who has a V2G EV installation
General comment on battery care... I guess if ev is on ...
By Tim441 , 1 week ago
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@old_scientist like for like comparisons are almost imp...
By Tim441 , 1 week ago
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RE: Who's your electricity provider and what's your tariff?
@old_scientist There is an option in the Tesla app that...
By Toodles , 1 week ago
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RE: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
@old_scientist me too. Just installed my new heat pump ...
By Eliuccio , 1 week ago