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Last seen: Mar 7, 2026
@pie_eater Here:
@judith Will do as soon as I can. 😁
@pie_eater I'm just offering my 2 cents to say I agree with the comments - your installer sounds a wee bit er... flakey. MCS guidelines are exactly ...
@derek-m So I can't just compare the delta T @ 30 for both rads? Oh. my. days... I think I need to go to college for this. Back to playing with Heat ...
@jamespa I'm using the Delta T watts for both - proposed K22s and my existing K11s. Is that not right? 🙈 One designed for 50º flow temp the ...
I have just discovered that BOTH my installer's heat loss proposals for 4 kw Daikins (based on imaginary heat loss and imaginary fully insulated walls...
This is such a good analogy - it has really helped me to see the problem. I didn't realise that higher inside temps meant more heat loss. I don't kn...
@jancold Me too! 😁
@heacol thank you Brendon - that's helpful. BG want a buffer tank Octopus want a volumiser. To be fair, I didn't push back on the buffer with BG ...
@derek-m Thank you. If you get time please either have a look at the images I put in a post roughly a page back. Or see below: I got a link from Op...
@gunboatdiplomat I was being a muppet, sorry. 🤦🏻♀️ The Heat Geek guesstimate is double the Octopus quote for a...
@derek-m Thank you - that's great imagery - I have that kind of a visual brain so it appeals. I will play with it this weekend and have a go at tryi...
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 , 2 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 , 3 hours ago
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I was directed to this app for my growatt system and no...
By David999 , 4 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 , 5 hours ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 8 hours ago
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I have a Contactum CU. Would the below RCBO (descriptio...
By Batpred , 9 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 , 9 hours ago
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RE: Anyone concerned about GivEnergy?
@transparent Thank you and appreciate your timely reply...
By SUNNYSKIES , 10 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 , 16 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 18 hours 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 , 1 day ago
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Current metrics - DHW target set to 47c
By TaffontheTaff , 1 day 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
