Last seen: Oct 25, 2025
Thanks, this is what I was thinking about, so as long as heat energy can transfer back through the PHE into the primary circuit during defrost, then t...
@jamespa I don't understand any point in an air test, if that fails, then the pipes are then broken, and the system cannot be refilled without digging...
@jamespa I hope I'm wrong but I suspect you will get an error code if it gets too low. Vented systems are so much simpler, it would be nice if heat ...
Yup, I see no reason to artificially pressurize low temperature heating technology, but as far as I can see that's the method most Heat Pumps follow. ...
@jamespa nothing to do with the needed pressure. Current pipework is likely 60 years old, buried in concrete and as such in an unknown condition. C...
It seems to be saying that by separating the systems, then glycol usage can be reduced. I've heard about maintenance issues with anti-freeze valves,...
Thanks, so yeah yours is quite oversized, we are the opposite, we need to keep the huse warmer than the standard.
@judith where it does start to make a differnce is installation cost and noise. Thanks for your reply.
@carpenterstation sounds like what I'm afraid of, hopefully you can get it sorted. Thanks for your feedback.
@bontwoody thanks, do you have any tips for a real world data approach. It does feel a little risky basing my estimate on a single day, unfortunatel...
Useful information thanks, we have a cupboard where all that can go, seems pretty small.
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
Precisely my view and why I use the term 'sense check'....
By JamesPa , 2 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@judith This is very interesting. I've located and prin...
By Mike Patrick , 3 hours ago
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RE: Daikin Octopus installation update - I saw my first defrost. 😍😂
@radwhisperer Thanks but that is definitely not a mixer...
By Jancold , 6 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
OK thats cheap, the commercial price seems to be £400 p...
By JamesPa , 11 hours ago
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RE: Solar inverters - where does the energy go when clipping?
I think I must query the sources on which Greenmatch ha...
By Transparent , 14 hours ago
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RE: Replacing knackered oil boiler with Samsung ASHP - Perthshire
This is how I run my Samsung 12kW ASHP with a 3rd party...
By Old_Scientist , 15 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@cathoderay thanks- yes will keep an eye out for the de...
By benson , 1 day ago
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RE: Renewables & Heat Pumps in the News
Hoping so as well! I am no specialist. The language use...
By Batpred , 1 day ago
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Do you need the DHW tank as high as 50°C @egp01 ? Ha...
By Transparent , 1 day ago
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
@old_scientist Just to say that during our retrofit, we...
By Toodles , 1 day ago
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RE: Daikin Altherma 3M ASHP and British Gas Hive Home
We have a Daikin EDLA08 8kW monobloc (DHW is handled se...
By Toodles , 1 day ago
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@old_scientist @jamespa So this was last nights DHW r...
By bontwoody , 1 day ago
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@springswood we install these nationwide and I have the...
By dgclimatecontrol , 1 day ago
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RE: DESNZ doing a survey which asks the right questions!
Fair comment. I have a feeling that ratings more gen...
By JamesPa , 2 days ago
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Thanks! My consumer unit collection is ready with the W...
By Batpred , 2 days ago
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RE: Designing my house system with a mix of air to air and air to water
@jamespa Cheers James, it's great reading. In quite a f...
By pipebaron , 2 days ago
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RE: PV Panels on roof in Conservation Area
If there is any way you can determine daily oil consump...
By JamesPa , 2 days ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
attached is prelagged in case indicates anything. &nb...
By Crimson , 2 days ago


