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Last seen: Mar 21, 2026
I don’t think you can compare the two systems. Ours is entirely radiator system while yours appears to be under floor heating possibly with volumiser ...
Excellent graphics and description Rob…. But to my mind there are amounts of energy that need replacing in this defrost event which aren’t portrayed i...
@cathoderay yes there is an indication of quite a bit of recovery energy being used. Do you have any way of quantifying numerically the energy being u...
That’s an interesting stat. I’m thinking that the 0.1 KWh might be the energy used during the flow reversal process….? I’m also thinking that the real...
@toodles yes it was a bit excessive getting 2 defrosts in one hour. I think it must have been the changing climate while it was still cold. We normall...
When we operate a setback we are reliant on the insulation in our house to ensure we only lose about 1.5C to 2C room temperature this also means the i...
Hi @toodles…. Comfort is, of course an essential need of any heating schedule. We operate a setback which aims to give us 19.5C by 9am and 21 usually ...
@cathoderay interesting house…. Before I retired listed buildings was my thing. i wish you every success.
@cathoderay regarding Catchup I agree… this is the opinion I’ve had since early last year. Heat loss will obviously be a different scenario for differ...
Thanks for your comments @old_scientist. It sounds like you’ve managed to get the room temperatures you want albeit by manually adjusting the flow tem...
Here is an update of the setback we operate on our system. We have created a simple schedule which copes with different night time outside temperatu...
Here is an update of the setback we operate on our system. We have created a simple schedule which copes with different night time outside temperatu...
Latest Posts
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RE: Setback savings - fact or fiction?
Nonetheless, useful commentary in that it tells us 'sma...
By cathodeRay , 1 hour 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 , 12 hours ago
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I was directed to this app for my growatt system and no...
By David999 , 13 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 , 14 hours ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 17 hours ago
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I have a Contactum CU. Would the below RCBO (descriptio...
By Batpred , 17 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 , 18 hours ago
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RE: Anyone concerned about GivEnergy?
@transparent Thank you and appreciate your timely reply...
By SUNNYSKIES , 19 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 , 1 day 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
