
Last seen: Jul 23, 2025
What’s your UFH construction? This is a suggestion based on what appears to be a restriction of heat transfer capacity of the UFH fabric, particula...
@toodles this sounds really good. Who knows, this might wake up the installer/manufacturer world to its proper responsibilities. Open : Honest : Custo...
I seem to have most of that list but some extra work on existing thermal mass is needed. If I manage to get some energy data sorted I may come back wi...
Is there any update on the estimated 5% energy saving on a night time setback? Open query: do night time setbacks tend to happen during the coldest ...
You appear to have a low deltaT on both charts. It looks like a DT of 2.5C on one chart and DT2 on the other. This could be the HP modulating down and...
Yes it would be nice but I can’t report on COP from the MELCloud app which is all I’ve got. But I think the IAT was written in the post as Room Temp...
Hi @derek-m and @hotheat So just for fun... during the day I switched to fixed flow rate to see where our cycling would start at Ambient 10C. It’s j...
In theory energy used shouldn’t be the same since longer operation should be more efficient and less wear on the compressor. What would be really wort...
@hotheat The answer to your question would almost certainly be provided if you had access to the energy data which is missing. If you had the opportun...
@hotheat hi, I’ve worked out your T50 heating capacity of your radiators and added the extra rad you’ve had fitted. You have approx 25.3 kWh T50 ca...
Hi @hotheat, it’s been nearly a year since you started asking questions like the one above. I’ve seen your recent posts and looking at your system you...
@editor Just some notes and Ideas.... Maybe a bit of easy maths can be interesting to the wider public, as well as educational. example A: Whe...
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RE: Rodents! A word of warning for heat pump owners
@tim441 Or as they didn’t quite say in the space travel...
By Toodles , 2 hours ago
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RE: Mitsu Wireless Controller and MelCloud
Update: I have found that the contractor had changed on...
By DavidAlgarve , 14 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor Hi Mars, We have just installed a Grant Aerona...
By GrahamF , 15 hours ago
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RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
By Old_Scientist , 18 hours ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I estimated our usage on the following basis. The mos...
By Old_Scientist , 19 hours ago
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RE: Why so many sigenergi installer recommendations?
It’s a really simple answer, GivEnergy. Installers ...
By SAEnergy , 23 hours ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 2 days ago
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RE: Ecodan & MelCloud scheduling
I put the above question to Mitsu UK at the sme time as...
By DavidAlgarve , 2 days ago
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Thanks for the heat geek info. I've fitted my own heat ...
By bontwoody , 3 days ago
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RE: Does anyone have experience of a smart water meter?
Just to give a sense of scale, I've used the CCW water ...
By Majordennisbloodnok , 3 days ago
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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 , 4 days 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 , 5 days ago
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RE: Isolating the system for a planned power cut
A great many ground-mounted local substation transforme...
By Transparent , 5 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 , 6 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...
By robinlawrie , 6 days ago
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RE: Anyone still weathering it out with Agile?
I went to Agile when I had solar installed July last ye...
By NJT , 7 days ago
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RE: Say hello and introduce yourself
Whilst you're busy installing services (pipes and wires...
By Transparent , 1 week ago
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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 , 1 week ago
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@moman0311 welcome to the forums. I've received your em...
By Mars , 1 week ago
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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 , 1 week ago