
Last seen: Jul 23, 2025
What’s your UFH construction? This is a suggestion based on what appears to be a restriction of heat transfer capacity of the UFH fabric, particula...
@toodles this sounds really good. Who knows, this might wake up the installer/manufacturer world to its proper responsibilities. Open : Honest : Custo...
I seem to have most of that list but some extra work on existing thermal mass is needed. If I manage to get some energy data sorted I may come back wi...
Is there any update on the estimated 5% energy saving on a night time setback? Open query: do night time setbacks tend to happen during the coldest ...
You appear to have a low deltaT on both charts. It looks like a DT of 2.5C on one chart and DT2 on the other. This could be the HP modulating down and...
Yes it would be nice but I can’t report on COP from the MELCloud app which is all I’ve got. But I think the IAT was written in the post as Room Temp...
Hi @derek-m and @hotheat So just for fun... during the day I switched to fixed flow rate to see where our cycling would start at Ambient 10C. It’s j...
In theory energy used shouldn’t be the same since longer operation should be more efficient and less wear on the compressor. What would be really wort...
@hotheat The answer to your question would almost certainly be provided if you had access to the energy data which is missing. If you had the opportun...
@hotheat hi, I’ve worked out your T50 heating capacity of your radiators and added the extra rad you’ve had fitted. You have approx 25.3 kWh T50 ca...
Hi @hotheat, it’s been nearly a year since you started asking questions like the one above. I’ve seen your recent posts and looking at your system you...
@editor Just some notes and Ideas.... Maybe a bit of easy maths can be interesting to the wider public, as well as educational. example A: Whe...
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Latest Posts
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RE: Benefits of an extra horizontal loop for GSHP
It will improve performance, but by how much depends on...
By Brendon Uys , 2 hours ago
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Is this just haze or something more?
We clocked this article back in July from the BBC about...
By Mars , 3 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
Said I would pop back with a update. Only Mr Jesus h...
By Burtis , 16 hours ago
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RE: No-code, plug-and-play monitoring for your heat pump
@cathoderay i will have to take a look at that, tbh as ...
By Grantmethestrength , 16 hours ago
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RE: Buffers, hot water and cooling
Thats presumably heat pump DT, what about radiator DT a...
By JamesPa , 17 hours ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Exactly the same here. We now have 13.5kWh ...
By Old_Scientist , 1 day ago
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Compressor and Evaporator Stratification
I have had a few issues with my Hitachi spilt heatpump ...
By trebor12345 , 1 day ago
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RE: Wood burner with ASHP - direct air?
This depends on the size of your wood burner and size/t...
By Lucia , 2 days ago
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RE: Difficult positioning of air source heat pump
@rikiarn It's a not a buffer it's a volumiser which is ...
By Lucia , 2 days ago
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RE: Is your heat pump insured?
To make things clear, lots of insurance companies cover...
By Lucia , 2 days ago
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RE: Boxt Heat Pump Installation Experience
@adrian any updates since installation? How is it perfo...
By Ashfp , 2 days ago
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RE: Say hello and introduce yourself
Hi @seatonian - Yes, I know Seaton, and I have the Nat...
By Transparent , 3 days ago
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@seatonian got your email. Will connect you with a reco...
By Mars , 4 days ago
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@downfield and @toddles, this isn’t in the settings cur...
By Mars , 6 days ago
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RE: Homely launched for Grant Aerona ASHP control
I haven't bought the Aerona Smart Controller (£700!) bu...
By Prunus , 6 days ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
For the record, Grant supply ethylene glycol for their ...
By Prunus , 6 days ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
By Mars , 6 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Ebac 5kw - Monobloc R32. Developed and made in UK - Mit...
By marcinwloch69@gmail.com , 1 week ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Just another thought - it might be worth thinking about...
By JamesPa , 1 week ago
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RE: BUS Grant: removal of all other fossil fuel heat sources
@rikiarn - just have a think as to how much it will cos...
By Transparent , 1 week ago