Last seen: Sep 10, 2025
About 70kWh in the last 24 hours, OAT hovering between 2 and 4 degrees. Ouch...! To put things in perspective, I have plotted weekly and full monthl...
I have asked this before, borrowing from Hopalong as he is known hereabouts, what are the five most terrifying words in the English language? Leave it...
@mosibi - I rather suspect the different style of plotting may be masking the fact that your plot does in fact show a similar, but perhaps marginally ...
I posted this a few days ago on another thread, and shows the different set vs actual flow temp (LWT) behaviour depending on the OAT. The plots are do...
@jaynieq - good to hear that you were able to understand my rather long winded explanations and have started to act on them. Your installer sounds f...
@benson - very useful and interesting. What I think you are seeing is the Midea tendency to cycle all the time. I would be interesting to add the Flow...
I think I am right in saying you have a Midea clone, possibly a Clivet? If so it might be useful if you can post a chart of your heat pump's behaviour...
@jamespa - thanks. Clearly your knowledge of Vaillant heat pumps is a major advantage here. I am sure @jaynieq will answer your questions before too l...
@jamespa - is this something you might be able to help with?
Just seen this when I posted my reply above. See above - ask your installer to set it up (or we may be able to get a Vaillant owner on the forum to gu...
Latest Posts
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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 , 6 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 , 7 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 , 7 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 , 7 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 , 8 hours ago
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RE: Buffers, hot water and cooling
@jamespa Your reasonably close! Especially with warmer ...
By dgclimatecontrol , 10 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 , 17 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 , 1 day 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 , 2 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
