Last seen: May 29, 2025
@uk_pete_2000 I think we have some misunderstandings here. You previously indicated that you have a passive house (<10W/m2 or ~5kW peak loss) but i...
@uk_pete_2000 I have perused your data again. As far as I can see there is no way that you can efficiently use such a large HP to directly heat your e...
@uk_pete_2000 Sorry, I forgot to say that in my second case of 12 hour heating period, a double size HP would be required i.e. 10kW to deliver double ...
@jamespa I have been quietly following all of this in amazement at some of the statements, especially about over-sized HP’s being more efficient. The ...
@sicky This one is not too bad if you have all the correct data. It is just tedious getting the data and filling it all in as there is a lot of detail...
@editor Copy of information from my first post FYI. This tool is very comprehensive but not for the faint-hearted. "To calculate the heat loss a...
@jamespa I am reposting this due to my revisions being gobbled up by this site. I have tried to remove the confusion and ambiguity caused by my previo...
@jamespa Invoking Occam’s razor in this context does not help. In engineering, there are right answers and wrong answers, not alternative facts. Neve...
I am new to this forum. I am amazed at the breadth of discussion on this topic but have not absorbed everything. There are interesting snippets and so...
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RE: Humidity, or lack thereof... is my heat pump making rooms drier?
That’s my pleasure, @andrewj. The only challenge now is...
By Majordennisbloodnok , 6 hours ago
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RE: Electricity price predictions
@toodles @skd Then there is not going to be much from t...
By ChandyKris , 7 hours ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
@batpred I reckon Andy might know a thing or 2 about...
By Bash , 7 hours ago
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RE: What determines the SOC of a battery?
@batpred Ironically you didn't have anything good to...
By Bash , 8 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Here’s a current graph showing a bit more info. The set...
By benson , 8 hours ago
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RE: Setback savings - fact or fiction?
True there is a variation but importantly it's understa...
By RobS , 8 hours ago
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Below is a better quality image. Does that contain all ...
By trebor12345 , 9 hours ago
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Sorry to bounce your thread. To put to bed some concern...
By L8Again , 9 hours ago
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@painter26 — they (the analogue gauges) are subtly diff...
By cathodeRay , 9 hours ago
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Our Experience installing a heat pump into a Grade 2 Listed stone house
First want to thank everybody who has contributed to th...
By Travellingwave , 13 hours ago
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RE: Struggling to get CoP above 3 with 6 kw Ecodan ASHP
Welcome to the forums.I assume that you're getting the ...
By Sheriff Fatman , 16 hours ago
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RE: Say hello and introduce yourself
@editor @kev1964-irl This discussion might be best had ...
By GC61 , 17 hours ago
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RE: Oversized 10.5kW Grant Aerona Heat Pump on Microbore Pipes and Undersized Rads
@uknick TBH if I were taking the floor up ...
By JamesPa , 1 day ago
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RE: Getting ready for export with a BESS
I would have not got it if it was that tight
By Batpred , 1 day ago
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump
@judith thanks Judith. Confirmation appreciated. The ...
By DavidB , 2 days ago
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RE: Recommended home battery inverters + regulatory matters - help requested
That makes sense. I thought better to comment in this t...
By Batpred , 2 days ago
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Bosch CS5800i 7kW replacing Greenstar Junior 28i
My heat pump journey began a couple of years ago when I...
By Slartibartfast , 2 days ago
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RE: How to control DHW with Honeywell EvoHome on Trianco ActiveAir 5 kW ASHP
The last photo is defrost for sure (or cooling, but pre...
By JamesPa , 2 days ago
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RE: Plug and play solar. Thoughts?
Essentially, this just needed legislation. In Germany t...
By Batpred , 2 days ago
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RE: A Smarter Smart Controller from Homely?
@toodles Intentional opening of any warranty “can of wo...
By Papahuhu , 2 days ago
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RE: Safety update; RCBOs supplying inverters or storage batteries
Thanks @transparent Thankyou for your advic...
By Bash , 2 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: Odd_LionManufacturer: SamsungModel: Samsu...
By Odd_Lion , 2 days ago
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RE: Configuring third party dongle for Ecodan local control
Well, it was mentioned before in the early pos...
By F1p , 2 days ago


