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Last seen: Aug 23, 2026
yes I realised later! It gets eye watering in cold snaps doesn’t it?
Hi again @jaynieq I hope your daily consumption has gone down to the point where you can see that it will average out the horrible very cold days. ...
Can I check I’ve understood the arguments here? Large heat pumps are more efficient for some manufacturer’s ranges, I accept that. And if the contro...
Ofgem is consulting about their current work programme so perhaps we should tell them to change this system within their work plan. “Shaping a retai...
You can help things by putting the DHW on to a timed operation so it’s only topping up before you need it, not continuously, then your system can be u...
The exact waveform does matter too much it’s the average that matters. I can’t read the scale too well but both shapes look reasonable. There’s no ne...
I suspect it’s not reflective to audio waves and rough surface matting is available too. Patterned door mat perhaps ☺️
With a temperature difference on flow and return of 8C is the Aira able to operate comfortably with that? or are they using hydraulic separation I.e....
That is unfortunately what is happening in California since it has lots of sun. But DESNZ can’t learn from others’ mistakes it has to makes its own!
@jamespa nice analysis have you considered something like or neoprene?
Isn’t there a consultation on ofgem in process about now? And since I missed this gem I feel another letter to my MP coming on!
Our system is open no hydraulic separation. The volume is high (18 Large K2 and can’t be bothered to add it up) but the installer still added a 26L in...
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Degrees of Separation
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RE: How Accurate Is My DIY Heat Loss Calculation?
Any idea how efficient your gas boiler is? Is it a 50 y...
By Old_Scientist , 4 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 1 day ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 6 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 6 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
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