Last seen: Aug 15, 2025
I have to say it is increasingly clear to me that this freeze stat thing is just another pointless manufacturer gimmick that allows them to charge eve...
Harsh, but true!
It'll be very interesting to hear any feedback once you have it. One of the problems I have is the rooms are already small, adding extra internal thic...
See my rant here!
Another major bit of misinformation. Within reason, any building can have a heat pump. You just have to accept (as I did) that old leaky buildings wil...
But isn't that what defrost cycles are for, which are not the same thing as a freeze stat (which from what others have said, kicks in when the circula...
I am probably the only one, but I find all this stuff about freeze stats confusing. In normal but cold conditions, surely a heat pump will be running ...
Correct. This was a known compromise at the design stage: having a small old listed cottage, with low ceilings and in particular low window sill heigh...
Thanks for the clarification. I think my (S)COP is between 3.0 and 3.5. I have two ways of getting the COP: via the Midea app/LAN (midea_ac_lan), whic...
There is energy in (what the heat source uses) and energy out (what the heat source delivers to the house). My 'paradox' was that the energy in was ab...
Very possibly, but the key and only point I am trying to make is that installing a heat pump may leave you with no choice, if you want to stay reasona...
Correct (apart from "Over a set 24hr period the kWh INPUT must equal the kWh LOST regardless." which I suggest only applies in steady state conditions...
Latest Posts
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It's shocking isn't it and I really feel for @drei. I...
By JamesPa , 49 minutes ago
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RE: Ecodan & MelCloud scheduling
Yes, the 2 are separate. To add to the complex desig...
By HCas , 15 hours ago
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RE: Electricity price predictions
@diverted-energy so that’s where I think you are wrong....
By JulianC , 16 hours ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
I think there may be a little confusion in the wording ...
By Old_Scientist , 21 hours ago
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I should clarify that the FoxESS web interface is not l...
By Old_Scientist , 21 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
Previous was vented and I needed a shower pump and a ve...
By JamesPa , 22 hours ago
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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 days 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 , 2 days 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 , 2 days 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 , 2 days 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 , 3 days 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 , 3 days 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 , 3 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 , 4 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 , 4 days ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 5 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 , 6 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 , 7 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 , 1 week ago
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RE: Isolating the system for a planned power cut
A great many ground-mounted local substation transforme...
By Transparent , 1 week ago
