
Last seen: Jul 23, 2025
@trebor12345 it should be possible to work out the (nominal) input from the data provided since it has COP and output data. The chart would suggest ...
Hi, This set of comments all appear to be set in theory rather than making specific answers. for instance when you say “lower flow temperature and ...
Aren't you potentially confusing two things here. OP could of course increase rad size/ volume and reduce ft but that won't change the minimum output...
@jamespa not sure what you mean… is that a theoretical comment or a comment from experience.?
First thought is that cycling is a designed in process. And Mitsubishi appears to to have a 20 minute minimum run time for normal operation with 3 to ...
Great discussion @heatgeek and @robs. Nice and simple language and clarity of a complex topic. For me it’s all about the specifics with no, or limited...
“Don’t bother with solar DHW auto cool-down in March….” They said. ”It’ll never get too hot ‘caus the sun is too low…..!?” oops - another few da...
@editor… this sounds like a huge undertaking with a great service. best of luck with this new venture.
Hi @richard24738 we weren’t happy with our FTC Controller being installed in our cylinder cupboard. The ftc controller is supplied with a single ...
Possibly 40c vs 30c flow has something to do with it…. Inevitably temp is what melts quicker. But what the graphs seem to show is both our Flow temps ...
Good call on the need for a beer.. that’s exactly what I did. As you say, your system appears to have plenty of emitter capacity for your HP size...
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RE: Mitsu Wireless Controller and MelCloud
@robs Hi Rob, At the end of a note to Mitsu UK, thank...
By DavidAlgarve , 2 hours ago
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Yes - I had my eye on a Tesla charger just N of Norwich...
By downfield , 3 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@jamespa our tanks dated back to at least 1999 when we ...
By GrahamF , 3 hours ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
What limit are you speaking of. So far I was aware dno...
By JamesPa , 12 hours ago
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RE: Why so many sigenergi installer recommendations?
@adamk Tesla is a great option, it’s also one we instal...
By SAEnergy , 13 hours ago
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RE: Rodents! A word of warning for heat pump owners
Hradline in Telegraph: Brace for plague of rats after s...
By Tim441 , 18 hours ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
As a potential heat pump customer, it would be good to ...
By Temperature_Gradient , 21 hours ago
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RE: Octopus replacing the fixed 15p/kWh export rate with a market tracking one
@trbob I have just extracted the details for Agile Expo...
By Toodles , 1 day ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
The Ultimate Guide to Heat Pumps is less than a month a...
By Mars , 1 day 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 , 2 days 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 , 2 days 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 , 2 days ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 3 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 , 3 days ago
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Thanks for the heat geek info. I've fitted my own heat ...
By bontwoody , 4 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 , 4 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 , 5 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 , 6 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 , 6 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 , 1 week ago