Last seen: Jul 23, 2025
I do of course by and large agree, much (but definitely not all, by a long shot) is relevant, because it turns out that to answer the original questio...
I agree, and every now and then I as the thread starter try to remind folks what this thread is actually meant to be about (eg an hour or so ago I wro...
@ The string 'defrost' does not appear to exist in the Midea Engineering Data manual. I have plotted the 'norm' power outputs over the range of OATs...
At the moment, it seems to me there is not enough second thoughts going on, and instead there is a lot of noise repeating stuff we already know - in s...
As I thought, but that is the least accessible place, and invasive approaches are not an option.
DT might actually be the harder one, depending on how and where you measure it (and bearing in mind I have a PHE). The flow rate has two things that m...
If this is correct, then this is compressorgate! Seriously, though, I thought the engineering data was supposed to include the effects of defrost cycl...
Yes, on the left hand side it peaks at just under 8kWh (which is 8kW over that hour, unless I've totally lost the plot). Clearly this is much closer t...
This chart shows the heat pump not quite meeting demand on the left hand side where the OAT is around zero, leaving the IAT below design IAT (19 degre...
@jamespa - very interesting. The degree of correlation in your second chart is impressive. I think I get the idea, the fabric of the house acts like a...
Delighted to be of assistance. Please note I still charge consultations fees in guineas, never could get my head round that decimal voodoo.
@derek-m - only the madman judges his own sense of humour. You really do need to take those meds.
Latest Posts
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RE: Who's your electricity provider and what's your tariff?
@old_scientist Cosy is a really good tariff for heat pu...
By ChandyKris , 3 hours 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 , 4 hours 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 , 5 hours ago
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RE: Is your heat pump insured?
To make things clear, lots of insurance companies cover...
By Lucia , 5 hours ago
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RE: Boxt Heat Pump Installation Experience
@adrian any updates since installation? How is it perfo...
By Ashfp , 10 hours ago
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Benefits of an extra horizontal loop for GSHP
Hello everyone, We're in the process of installin...
By thewiseoldbird , 1 day ago
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RE: Say hello and introduce yourself
Hi @seatonian - Yes, I know Seaton, and I have the Nat...
By Transparent , 2 days ago
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RE: Buffers, hot water and cooling
The principal reason that heat pumps have minimum flow ...
By JamesPa , 2 days ago
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@seatonian got your email. Will connect you with a reco...
By Mars , 2 days ago
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RE: No-code, plug-and-play monitoring for your heat pump
I think I have found “The One!” Waveshare ESP32-S3-POE-...
By Grantmethestrength , 3 days ago
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@downfield and @toddles, this isn’t in the settings cur...
By Mars , 4 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 , 4 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 , 4 days ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
By Mars , 5 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 , 6 days 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 , 7 days 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
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Don't do much digging around.That's best left to the pr...
By Transparent , 1 week ago
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Hi all, I was wondering if anyone had an idea of how th...
By Wh0am3ye , 1 week ago
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RE: EBAC re-entering the ASHP market in 2023
@toodles confirm i have Ebac 5kw ASAP + homely and it w...
By marcinwloch69@gmail.com , 1 week ago
