Last seen: Oct 6, 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!...
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RE: Grant Aerona Short Cycling
@damonc, thanks for confirming that detail, really help...
By Steam Powered , 13 minutes ago
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RE: What a Bad Heat Pump Installation Looks Like
Quite possible no grant involved so none. Putting it ...
By JamesPa , 55 minutes ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
Thanks @gmuzz @mikeh They still mention on the app t...
By ChandyKris , 2 hours ago
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RE: Experience with Mitsu Par 50/60 Wireless Controller
The 27°C request doesn't boost the weather compensation...
By Sheriff Fatman , 18 hours ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
Oh and it was installed by Stevie Wonder!
By Grantmethestrength , 20 hours ago
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There seems to be plenty of evidence to support this. ...
By JamesPa , 1 day ago
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RE: One Year Review: Grant 13kW ASHP - A Catalogue of Errors
@solenoid it sounds like you are making progress. No n...
By JamesPa , 1 day ago
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RE: LiFePO4 lithium battery fires and explosions
@iaack — thanks, a useful video. They do make it clear...
By cathodeRay , 1 day ago
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RE: How good is the app support for your heat pump?
I think you are right about the ebus stick. It's cert...
By JamesPa , 2 days ago
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RE: My DIY Heat Pump installation
@majordennisbloodnok Element-ary my Dear Major.
By Toodles , 2 days ago
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RE: Replacing my 18 month old Hitachi Yutaki ASHP
Yes, you can work out a lot from a plot of FT. Interes...
By JamesPa , 2 days ago
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Welcome to the forums @isaac. What you’re describing is...
By Mars , 2 days ago
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Win an Eve Smart Home Bundle worth over £350!
Win an Eve Smart Home Bundle worth over £350! ...
By Mars , 2 days ago
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RE: Is your heat pump insured?
I chose Tesco in the end. Unambiguously cover HP, PV an...
By Davesoa , 2 days ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk You can get an idea of if your flow and return...
By SimonF , 2 days ago
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This Solis inverter being rated 8kw and (I expect, as I...
By Batpred , 3 days ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
I have one fancoil in an otherwise all radiator system....
By JamesPa , 3 days ago
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RE: Electricity price predictions
That's understandable...but I was referring to our 'oth...
By Transparent , 3 days ago


