Last seen: Aug 29, 2025
@scrchngwsl - very interesting, and thanks for writing it up in so much detail. A couple of thoughts: (a) at the end of the day, there is really onl...
Absolutely! One is complex and obscure, full of endless indents meaningless to man, the other is simple and transparent. That is the whole point!
Pretty much par for the course, though my installer was better, he not only suggested the volumiser in the first place when I mentioned the short cycl...
I have the SDM120 without the M suffix. M is for modbus... I could get it changed over but it would need a qualified electrician (I don't think DIY ...
Yes, I agree, it is an interesting thread, and further confirms the smoke and mirrors we are up against. This is important information! Context m...
FWIW, I have calculated the weekly and overall discrepancies between my Class 1/Class B external heat pump only kWh meter (I think I am right in sayin...
An intriguing idea. But might it add additional complexity without any real benefit? Put another way, is there any harm associated with having a volum...
It might account for about a 10% difference (specific heat 4.2 vs 3.8), but it all depends on how Samsung (and Midea and all the others) do their calc...
But Samsung appear to claim (boast) COPs of 4 point something (with LWT at 35 degrees) and we must assume that is a downhill with a following wind COP...
@william1066 - are those COPs credible? I ask, because if they are not, then the underlying data is suspect. The 700W input isn't that remarkable, giv...
I wonder what peoples' views are on using a volumiser to reduce cycling. The idea as I understand it is that by increasing the circulating volume (whi...
More Home Assistant sh!te - why you really need Home Assistant like you need a hole in the head. After being nagged, I manually updated the HA core/OS...
Latest Posts
-
RE: Midea ASHP – how to set weather compensation
Something isn't right here, you don't design ufh to wor...
By JamesPa , 2 hours ago
-
RE: Electricity price predictions
the post code lottery is only one thing that is very wr...
By Judith , 2 hours ago
-
RE: How Do I Know When the Hot Water Has Run Out?
@grahamf Personally I would consider bypassing one of t...
By JamesPa , 5 hours ago
-
RE: What crazy nonsense are inverter limits and why are they imposed?
No I'm not mining anything @drei but I am doing R&...
By Transparent , 6 hours ago
-
RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
Yes, the 'global warming potential' GWP of R32 is quote...
By Temperature_Gradient , 6 hours ago
-
RE: Rodents! A word of warning for heat pump owners
Wasps caused frequent tripping of my lighting circuit a...
By JamesPa , 6 hours ago
-
This is one of my biggest bugbears these days, how AI d...
By cathodeRay , 7 hours ago
-
RE: Ecodan & MelCloud scheduling
Yes, the 2 are separate. To add to the complex desig...
By HCas , 2 days ago
-
I should clarify that the FoxESS web interface is not l...
By Old_Scientist , 2 days ago
-
RE: Mitsu Wireless Controller and MelCloud
@robs Hi Rob, At the end of a note to Mitsu UK, thank...
By DavidAlgarve , 3 days ago
-
RE: Why so many sigenergi installer recommendations?
@adamk Tesla is a great option, it’s also one we instal...
By SAEnergy , 3 days ago
-
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 , 4 days ago
-
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 , 4 days ago
-
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 , 4 days ago
-
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 , 5 days ago
-
RE: Sanity check please. Battery storage and inverter sizing.
There are MCS guidelines about how close to the edge/ri...
By Old_Scientist , 5 days ago
-
RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I estimated our usage on the following basis. The mos...
By Old_Scientist , 5 days ago
-
@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 6 days ago
-
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 , 1 week ago
-
RE: Powerwall 3 or Myenergi or something else?
We have a Tesla Powerwall 3, recently installed, so I m...
By Old_Scientist , 1 week ago
