
Last seen: Aug 15, 2025
It was probably me, but I think it also applies to many if not most heat pumps, because the immediate environment, specifically the air temperature, i...
Sorry, I hope it is all there, but I didn't explain it well. Starting with your IAT/OAT delta t values (19/10 to 16/10 for 6 hours etc), instead of ...
The AUC calculations I did were for the whole week, with hourly intervals. I think the idea that daily setbacks put the whole in a 'different place'...
Another thought has occurred to me. Maybe the monolithic house, once it is up to temperature, is such a huge heat (energy) store that you can turn off...
I deliberately used the regression equation from test week, so they should be representative. The average IAT did change over the period, but only sli...
I do quite a lot of sailing, which is why I am interested in forecast accuracy, particularly for wind speed and direction, but also for visibility, he...
I agree, but I think there are sufficient caveats. In particular, my post that reported my findings ended with a statement that my findings were not d...
This is an important point, the effects of poor (and for that matter mediocre and good) design and adjustment are effectively unknown unknowns. While ...
@showi - thank you, that is very kind of you! We are, like Sisyphus, condemned to roll this ball forever! I will get back to you tomorrow.
There has indeed been a lot of discussion about whether setbacks save money and/or compromise comfort, including this mega-thread. The answer is not s...
Part 3: Hardware Installation After a barely excusable delay, I return to an account of how I set up my wired modbus connection to my heat pump, whi...
Living in a listed building, I attach a lot of importance to aesthetics, but I also have another constraint, limited wall space. Not only are the room...
- 26 Forums
- 2,148 Topics
- 47 K Posts
- 44 Online
- 5,666 Members
Join Us!
Podcast Picks
Latest Posts
-
RE: Electricity price predictions
Unfortunate that OFGEM increased prices again from Octo...
By Scalextrix , 1 hour ago
-
@editor Thanks Mars, much appreciated.
By DREI , 3 hours ago
-
RE: Ecodan & MelCloud scheduling
Yes, the 2 are separate. To add to the complex desig...
By HCas , 21 hours ago
-
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 , 1 day ago
-
I should clarify that the FoxESS web interface is not l...
By Old_Scientist , 1 day ago
-
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 , 1 day ago
-
RE: Mitsu Wireless Controller and MelCloud
@robs Hi Rob, At the end of a note to Mitsu UK, thank...
By DavidAlgarve , 2 days ago
-
RE: Why so many sigenergi installer recommendations?
@adamk Tesla is a great option, it’s also one we instal...
By SAEnergy , 2 days ago
-
RE: Rodents! A word of warning for heat pump owners
Hradline in Telegraph: Brace for plague of rats after s...
By Tim441 , 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 , 3 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 , 3 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 , 3 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 , 4 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 , 4 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 , 4 days ago
-
@editor Something changed in this last 12 months, they ...
By ASHP-BOBBA , 5 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 , 6 days ago
-
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
-
RE: Mitsubishi PAR-WT60R-E Wireless Controller installation
@morgan They have been paired once but it was thought b...
By DavidAlgarve , 1 week ago
-
RE: Isolating the system for a planned power cut
A great many ground-mounted local substation transforme...
By Transparent , 1 week ago