Last seen: Aug 28, 2025
Hi Jo. I've been on Cosy a few weeks now and, like you, have been wondering about this. I've got 10kWh worth of batteries so that is really helping me...
Thanks @iancalderbank. Yep, the calc is, er, somewhat sensitive as you say but as an approximation it's OK for now. I'll look into the metering you de...
Hi @iancalderbank, and sorry for the delay. Turns out there are more important things to do than fettle the heat pump 😂. The primary side pumps are ...
Hi @iancalderbank, and thanks for that. I'll have a look at my pump situation when I've got a bit of time later. Just to answer your point about the...
Hi @iancalderbank. I've done some (crude) monitoring today with the system stable, looking at heat being generated and measuring secondary side flow a...
Thankyou @toodles, I am feeling quite pleased with myself I must admit. 50mm Kingspan all round but they are still fixed to a cold stone wall sucking ...
Hello @alanb. Wee heated lean-to enclosure now built and in operation. I've a wireless thermometer that's telling me it's 2.1°C inside (it's about -...
@iancalderbank Thanks, that's really helpful!
@iancalderbank Joule Samsung have just told me it's not possible to alter the 'slave' to remain on whilst the master goes into defrost. I thought thou...
@iancalderbank Yep, they both have separate controllers (currently linked) but can be reconfigured to run individually, controlled from a single run s...
Thanks @iancalderbank. You're not wrong about the hard work. We clearly don't need 24kW but have made some improvements to the house since the system ...
Thanks @iancalderbank, that's helpful and good shout re the bigger pump. I'll look into that. I might need to start lifting a few floorboards as well!...
Latest Posts
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
Is that heat loss, or maximum output of the ASHP? Unde...
By Scalextrix , 1 hour ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan Fully agree with you. It shouldn't be the homeo...
By HCas , 3 hours ago
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RE: Solar Thermal DHW and ASHP
@judith That makes sense to me! If I was in @alex_n '...
By HCas , 4 hours ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
Good unit. And the 10 kW is the same as the 12 kW I ...
By HCas , 4 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 7 hours ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 9 hours ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 13 hours ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 24 hours ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 1 day ago
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RE: Midea ASHP – how to set weather compensation
@cathoderay OK let's wait and see, it sounds an interes...
By Tasos , 1 day ago
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RE: What is the Heat Geek Guarantee?
@judith, I’m with you on Heat Geek, but there really do...
By Mars , 1 day ago
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RE: Electricity price predictions
Community energy installations are a great idea, but th...
By Scalextrix , 2 days ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Ooh, heat pumps in neon blue wrap 🤣 🤣 &...
By Old_Scientist , 2 days ago
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@profzarkov Good to know in case it ever happens to me...
By bontwoody , 3 days ago
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RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?
I mean, is this surprising? The local installers in my ...
By Alex , 3 days ago
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@old_scientist sorry, I should have made it clear that ...
By GrahamF , 3 days ago
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RE: Boiling Mad: Exposing Radiatorgate
Hi @Rob, I’d be more than happy to contribute. I have ...
By DREI , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@andris a great year - very happy with our system
By Profzarkov , 3 days ago
