Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: May 14, 2026
Great. I dont think it yet gives us the answer, but it maybe tells us the direction of travel. I think the x axis on the plot should however be 24 h...
2010litres is indeed likely to be about 8kW, although you need to add perhaps 20% for 18C vs 20C which is the normal design temperature, still nowher...
Indeed it is, albeit modified a bit to take into account human factors as best we can. The fact you can live with it is great, but in terms of the sc...
OK so the plots I am interested in comparing are and Before we take this any further a 2.5C 24hr average IAT difference is l...
That was my understanding also.
That would be abnormal but I cant see from your charts that its doing that. The first chart looks like roughly hourly cycles, the second a single cyc...
If the system loses more through the radiators the house will get warmer. Is that what you want? If you do want this then you will need to increase ...
Oh I remember this from when I set mine up 2 years ago, same problem, big mystery. Solved eventually by changing the time zone on the app to someth...
@cathoderay these look excellent (and interesting), I will crunch some numbers in the next day or so unless some beats me to it.
Heat geek have already stated that the pro is in fact cheaper!
I think the first graph is the same as one you posted earlier? Subtracting one regression line from the other at any given OAT then dividing by the v...
@batpred ask them to itemise the basic instal pack!
Latest Posts
-
RE: Estimating true heat loss from twelve months of consumption data
Hi @ian33a you could do your own heat loss calculation ...
By Judith , 2 hours ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
@djh ah, I have never seen this before, interesting ide...
By ASHP-BOBBA , 2 hours ago
-
RE: Anyone concerned about GivEnergy?
@sunnyskies I agree with Downfield trying to ask the GE...
By Judith , 3 hours ago
-
RE: Setback savings - fact or fiction?
@jamespa — this version may be marginally better: &nb...
By cathodeRay , 5 hours ago
-
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 5 hours ago
-
Current metrics - DHW target set to 47c
By TaffontheTaff , 10 hours ago
-
RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 12 hours ago
-
RE: Samsung gen 7 HP 12kw - auto control issue and water law
Suggest you have a trial with Havenwise app. I have th...
By Broadsman , 14 hours ago
-
RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 17 hours ago
-
RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 17 hours ago
-
RE: Grant Aeona 3 R32 cycling with weather compensation.
That would be abnormal but I cant see from your charts ...
By JamesPa , 17 hours ago
-
RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 1 day ago
-
Heat geek have already stated that the pro is in fact c...
By JamesPa , 1 day ago
-
RE: The Myth of the MCS Performance Guarantee
@editor I know. As if MCS wasn't bad enough, it's now e...
By Deltona , 1 day ago
