
Last seen: Sep 10, 2025
@jamespa Definitely the former! The Homely summary indicates approx. COP of ~4.6 - 4.8 so 50 kWh or so of heat is keeping us cosy each day. As to the ...
With my limited vision, I may be missing the finer details of your graphs but the ‘timings’ look very ‘mechanical’ as though despite your needs, the p...
@jamespa We have a floor area of 97 sq. metres and are fairly well insulated but… we keep our whole semi det. 4 bed at 22.5 with a slight setback from...
@lucia Martin Lewis (of Money Saving Expert fame) has made this very same point about the low waged and unemployed portion of the population and their...
@jamespetts I would dare say that at least 75% of heat pump owners would be extremely pleased to have so low a consumption and the comfort level you r...
@cathoderay Yes, it is a plotly plot and I suppose the 30 minute intervals are to reduce data load on their server or maybe it is also down to Daikin,...
@bontwoody My eyesight is not good enough to follow the pipework to those two valves so I cannot tell which from what however… another thing I cannot ...
Could it be that the valve has stuck open so that the higher temperature water intended for the DHW circuit is also flowing through the UFH manifold? ...
@jamespa Out of curiosity, I asked Homely for a graph of outside temperature and heat pump on/off times this morning but I see no particular consisten...
@cathoderay But surely, when the heat pump fan has been running for a few seconds, it should be reflecting the true OAT? I suppose the ambient tempera...
@lucia I lived in Yeovil in Somerset until until 1973 and up until then, I think we benefitted from the Gulf Stream but I think the influence of its’ ...
@editor Last year, the coldest days in this neck of the woods (south east England) fell in late November and early December when we experienced -7 and...
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RE: Midea ASHP – how to set weather compensation
I think it is a bug in the code, it comes on even when ...
By cathodeRay , 9 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@ashp-bobba wish you lived closer to Wiltshire! My inst...
By pash44pump , 9 hours ago
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RE: COP is not the only measure of efficiency
@jamespetts Interesting post, thanks. Here are my thou...
By GrahamF , 9 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
@editor So… who’s given in and turned the heating on al...
By Lucia , 10 hours ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 11 hours ago
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RE: Buffers, hot water and cooling
@jamespa Your reasonably close! Especially with warmer ...
By dgclimatecontrol , 12 hours ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 19 hours ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 1 day ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 1 day ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 1 day ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 2 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 2 days ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 2 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 3 days ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 3 days ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 3 days ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 3 days ago