
Last seen: Aug 27, 2025
Thanks for confirming that you have a 3-phase supply to the property. In that case it seems odd to me that the installer has specified the 17kW Gran...
Have you been reading the low-level advice which @cathoderay has been giving on the Topic about the Baxi ASHP? That level of instruction on how to ...
Because there isn't one on the MCS Approved list. This list can be bizarre and overly pedantic at times.For example, installations of rooftop PV pan...
Cathy, once you've followed the instructions from @cathoderay to get the WC curve set correctly,there comes a point where further investigation of Sys...
Isn't the size of emitters issue diminished if UFH is favoured rather than radiators. And wouldn't UFH be cheaper than adding a second heat-pump? ...
Hi Michelle, It's a pity you didn't mention that earlier. There was a visit by a renowned exponent of good building practice holding a walkabout s...
The detail on that issue matters. 1: The consumption readings in a Smart Meter are cumulative.Any 'missing' period is still reflected in the followi...
I have investigated billing errors for customers with Smart Meters for several years;I have submitted evidence to DESNZ and the Commons Select Committ...
Are you referring to the investigation which Ofgem launched in December 2023? Or do you have news of a more recent situation? I'm aware that Elexo...
@sunandair The Approved Documents which comprise the Building Regulations are not as 'officious' as they used to be.They are now in a form which the g...
I can see what you're wanting to achieve @jaket Some thoughts - 1: Adding a timer to only allow DHW heating when costs are lower might save money...
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RE: Ecodan & MelCloud scheduling
Yes, the 2 are separate. To add to the complex desig...
By HCas , 4 hours ago
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RE: Electricity price predictions
@diverted-energy so that’s where I think you are wrong....
By JulianC , 4 hours ago
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@drei has just published his full story here for anyone...
By Mars , 5 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 , 9 hours ago
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I should clarify that the FoxESS web interface is not l...
By Old_Scientist , 9 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 , 10 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 , 1 day 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 , 2 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 , 2 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 , 3 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 , 3 days ago
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@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 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 , 5 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 , 6 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