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Last seen: Mar 21, 2026
@robs and @cathoderay I can understand that you may well have anxiety about accuracy of data being so keen on data, but this isn’t a concern of min...
@technogeekk there are other strategies for saving money open to your kind of setup based on the kit and property you have listed. And I’m guessing yo...
So, as James suggests in a thread above. You can’t make a universal statement about a heat pump performance if it only applies to a specific system. T...
Are you sure About that, @robs because that’s what I was saying earlier. Here is a post I made
Hi @robs. Your summary of defrost is missing and/or misplacing the full defrost ELECTRICAL energy, mainly because the real defrost period is ...
I will reply to your other comments later but just to answer your first point….In your summary did you not say: “But the system...
Rob I posted this question in full knowledge of your energy flows summary with 11 minute data charts. I was asking for more information. The problem I...
Hi I’ve reposted the two contrasting defrosts from the above post and re labelled them so the contrasting defrost periods can be compared. They are de...
Hi @robs Can I ask you to explain what you see as the energy attributable to the defrost and defrost Recovery. To my mind there are some energy act...
@jamespa yes I see what you mean. I think what was on my mind is how to read the impact of the eventual drop in return temperature water. What I’ve n...
I see things have moved on, all of a sudden and Rob has introduced interesting variants of defrosts across various brands. im glad the topic of lag ...
Interesting, I have highlighted the possibility of hidden energy that may not be accounted for during recovery, as listed, including contained in th...
Latest Posts
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RE: Setback savings - fact or fiction?
Great. I will try to zoom in to work out the deltas be...
By JamesPa , 9 hours ago
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RE: Sizing an ASHP; Heat loss and kW
You can't measure heat loss with an app. But you can g...
By JamesPa , 11 hours ago
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I was directed to this app for my growatt system and no...
By David999 , 11 hours ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — I have a sort of residual interest in this pr...
By cathodeRay , 12 hours ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 15 hours ago
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I have a Contactum CU. Would the below RCBO (descriptio...
By Batpred , 16 hours ago
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
@chainreaction Agree with @broadsman , it seems many ...
By Batpred , 17 hours ago
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RE: Anyone concerned about GivEnergy?
@transparent Thank you and appreciate your timely reply...
By SUNNYSKIES , 17 hours ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 23 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 1 day ago
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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 , 2 days ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 2 days ago
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
By GrahamF , 2 days ago
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 2 days ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 2 days ago
