Last seen: Nov 14, 2025
@paul436 - thanks, that would appear to confirm what i thought.
Not sure, but I think that may be the inline filter by the heat pump is blocked. Mine has a quarter turn valve to close of the pipework, and then you ...
@jamespa - this all sounds do-able, and I agree it is worth a try. To cover your various points: The heating was always on (with or without setback,...
I do already have a lot of data. Since late March 2023, I have been collecting data at minute intervals for all of the variables you mention, apart fr...
Thank you, it is. Your second paragraph also covers something I had been thinking about as well, the situation where a true but small inter-sample dif...
I wasn't looking for correlation, just gross eyeball differences between SB and no SB running. As I said, I can't think of any other way of presenting...
At least the ceiling got plastered, not me! Make of this quick and dirty analysis what you will. Actually, it wasn't that quick, because it involved...
@jamespa - thanks, will get back to this later, I am about to get stuck in to some ceiling repairs!
It does vary. Here is the chart again: On this chart it is more often 2-3 degrees. You can also the the warming caused by the heat pump turning of...
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'...
Latest Posts
-
RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
That's certainly what it feels like. It did seem when I...
By MairiA , 15 minutes ago
-
RE: Grant 13kW Aerona3 - issues getting zones to temp
Latest situation:Installer attended, couldn't get it wo...
By Crimson , 42 minutes ago
-
RE: Electricity price predictions
I guess that isnt too much of a surprise that there is ...
By JamesPa , 51 minutes ago
-
we have a 7kW Valliant which has been running quietly a...
By Judith , 2 hours ago
-
RE: Ecodan ASHP Low COP and Unstable Compressor Frequency
Thanks for the reply and the welcome ! Locat...
By lukewarmbath , 2 hours ago
-
RE: Bosch CS5800i 5kW - Experience So Far
@ectoplasmosis Buderus is a subsidiary of the Bosch Gro...
By Steelbadger , 2 hours ago
-
RE: Renewables & Heat Pumps in the News
Always keep a boiler replacement quote open, "just in c...
By Batpred , 3 hours ago
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
Sorry, only just seen this I don't know why. I was spe...
By AndrewJ , 3 hours ago
-
RE: Confusion over Octopus Tariffs
@agentgeorge I can’t recall when and the details but Co...
By Toodles , 3 hours ago
-
RE: New Fogstar 15.5kWh upright solution
I can't get any of those URLs to work...... even if I r...
By Transparent , 3 hours ago
-
RE: Who's your electricity provider and what's your tariff?
@technogeek Yep, the same here. Toodles.
By Toodles , 4 hours ago
-
RE: Maximising Home Automation: Integrating Octopus Energy & More
Thank you and I agree most people can stay clear of net...
By Batpred , 5 hours ago
-
RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
@jamespa Yes that post.
By dgclimatecontrol , 5 hours ago
-
RE: Faulty Clivet heat pump out of the box
@steveimpey glad you got it sorted and agreed- being ig...
By benson , 7 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
@agentgeorge it has got 2, the other bleed screw is the...
By AdamK , 18 hours ago
-
I too felt the podcast was useful but think it could do...
By AndrewJ , 22 hours ago
-
Putting a 30 cm. radio controlled wall clock on Freegle...
By Toodles , 23 hours ago
-
RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
@nickhorne Unfortunately not. We take the "normal" IOG ...
By HCas , 2 days ago
