Last seen: Sep 20, 2025
Can you clarify whether this was composed after or before my post at 10.05. I have the impression before, but I could be wrong. Essentially my 10.05...
@cathoderay @derek-m I think I am making some progress untangling the data above provided by @cathoderay. The raw data showed a tolerable, but no...
@cathoderay Not an answer just some more analysis to ponder. Here is a table, taken directly from the minute by minute data, of heating energy (from...
Thats almost certainly a part of it. What I also suspect is that the previous 24hrs matters a lot, and so far as I can tell from the graphs the OAT w...
It would be interesting to answer this. Can you post the two graphs you are comparing and also the previous 24hrs on each case?
Definitely worth a read but not earth shattering. It hints at some minor tweaks to pd rights, but no revolution. Interestingly it repeatedly states ...
Best consumption will almost always be obtained by tuning the WC to match the load (ie not on/off except as a temperature limiter when eg solar gain t...
Thats a result then! At 32C WC doesn't actually make that much difference, about 10% or less, whereas its more like 20% at 45C. So fixed flow...
Thinking about this a bit more, for a house like yours (which, based on your figures, has a high thermal mass and is thus essentially an energy integr...
As you say heat loss calculators are a tool we have and when you can't make a measurement you have no choice but to resort to a model. I thin...
Interesting graph. The early cycles look like they might be minimum output cycling, but after 9pm (and particularly at midnight) its gets a bit more ...
I was faintly conscious that you had come to the conclusion that it was in fact undersized, but not sure on what basis. I wouldn't trust the Freedom ...
Latest Posts
-
RE: Repiping and Reconfiguring our Heat Pump System Including Removing the Buffer Tank
@rhh1 Adding a second pump is not a problem, some units...
By Brendon Uys , 31 minutes ago
-
RE: Who's your electricity provider and what's your tariff?
@agentgeorge Come the Ist of October, the Cosy cheapest...
By Toodles , 45 minutes ago
-
RE: Boxt Heat Pump Installation Experience
@ashfp Mine does have a buffer tank. That was my experi...
By Andrew J H , 12 hours ago
-
RE: Testing new controls/monitoring for Midea Clone ASHP
@benson Possibly but when I looked on heat pump moni...
By Papahuhu , 16 hours ago
-
RE: Which temperature sensor for a Steibel buffer and Ecodan?
@ashp-bobba might be able to help as an Ecodan expert.
By Mars , 1 day ago
-
RE: Help me keep the faith with my air source heat pump installation
I'm sure you are right, I was just trying to understand...
By JamesPa , 1 day ago
-
RE: Preparing for 2nd winter in new build house.
Yuch! So that's basically just an on/off control. I...
By Transparent , 2 days ago
-
How to Zone with a Single Room with UFH
Hi all, I am currently looking at a project ...
By Renewables345 , 2 days ago
-
Good day everyone. I'm new here and have a few question...
By Edin67 , 2 days ago
-
RE: Say hello and introduce yourself
@transparent Morning. Just put a lengthy post on the AS...
By sbm74 , 2 days ago
-
RE: MCS certificate SCOP vs real-world performance
That may be contributing to lower than expected SCOP. ...
By JamesPa , 3 days ago
-
-
RE: Mitsu PAR-WT60R Wireless Controller - options
How it does it's job is something of a mystery although...
By Abernyte , 3 days ago
-
RE: Powerwall 3 or Myenergi or something else?
Yes I was thinking of outdoor, IP65 batteries with buil...
By Temperature_Gradient , 3 days ago
-
@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 3 days ago
-
RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 5 days ago
-
@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 5 days ago
-
RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 5 days ago
-
RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
It is interesting to see what our new Grant Aerona 290 ...
By GrahamF , 5 days ago
