Last seen: Aug 4, 2025
@transparent It looks like you have got a bad deal from your contractor, driller etc. Firstly, I presume you have an extraction licence from the env...
@phowardstutterheim Most components inside the units are from other manufacturers other than valiant. As long as they are similar and an alterative pr...
@cathoderay "Isn't this another example of most of the heat pump industry not really knowing what it is doing? I wonder how many installation don't ha...
@william1066 I do not usually use the ESBE valves. This is the one I usually use and they are available for next day delivery. The valves you...
There sounds like there are some tall stories being told by Valiant, or others. The supply side of the heat pump consists of a pump, a stainless steel...
In reality, without monitoring equipment installed, it is very difficult to determine the actual, accurate performance of any heating system regardles...
@hydros How is the system being controlled? You mentioned a set temperature, where is that being set? What control do you have on the radiators and ...
@iancalderbank PM me and I will see if I can help.
The heat exchanger failure is a manufacturing fault, nothing to do with operation. If you have a buffer tank or system separation, that is causing y...
@iancalderbank I am not sure if the new Samsung will allow the setting of the Delta T (gather you can install a PWM pump on it), I install the Panaso...
@webcmg Then I am sorry to say, you have an exceptionally badly designed system. I would complain to the installers competent persons scheme and MCS.
In my view, AI should work for you to make your life easier, more comfortable and cheaper. As soon as it starts dictating to me, it goes in the bin.
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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 , 10 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 , 10 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 , 10 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 , 11 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 , 13 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 , 20 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