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Last seen: Aug 13, 2026
@jamespa, thank you both @iaack so far I haven’t calculated this latent heat of fusion. Just the raising of the 180L of water temperature from 25C to ...
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...
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Latest Posts
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RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
All very true. Personally I also put a fair amount of w...
By cathodeRay , 1 hour ago
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RE: tepeo ZEB UK Support & Info Thread
OK so ZEB is basically a variant on a storage heater, b...
By JamesPa , 17 hours ago
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RE: PV and battery long payback - sense check query
@energystoragetech it's highly improbable that @davidb ...
By Transparent , 23 hours ago
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RE: Heat Geek installations: share your experiences
@editor I suspect that the Heat Geek online quote is a ...
By AndrewJ , 23 hours ago
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RE: Adding additional Solar Panels to a DC coupled battery system
Ah, yes. Thanks for clarifying.
By Transparent , 24 hours ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
@trebor12345 I have been meaning to get home assista...
By Batpred , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
SunSynk hybrid inverters also have the capability to as...
By Transparent , 2 days ago
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RE: Is This Initial Free Quote From Octopus Trusted Partner Reasonable?
If you've got a sash window or a door you can remove th...
By EtchedPixels , 2 days ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
Roughly how most air/air is done except that step 3 doe...
By EtchedPixels , 2 days ago
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RE: Nook batteries from Octopus
@batpred If your energy use is low enough that just get...
By EtchedPixels , 2 days ago
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RE: Missing flow temperature in Heat Geek proposal
I suspect 4 yrs ago, their approach had not got to this...
By Batpred , 2 days ago
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RE: battery storage without solar
Also don't forget that in you may not be able to use th...
By JamesPa , 2 days ago
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RE: Tesla Powerwall (2) Calibration Cycles
One practical safeguard is to separate the calibration ...
By EnergyStorageTech , 2 days ago
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RE: Getting closer to a finished Haier system
Apart from sealing the external Primary Pro joints and ...
By Singlespeed , 3 days ago
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