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Last seen: Jan 28, 2026
New learning. Concept of a heat dump is a good one to get longer cycles and side benefit of heat from towel rads upstairs throughout the day. Howeve...
Thanks Toodles! I'll sort this now, as I can see my office temp is climbing (currently 21.3C) and suspect that's because the upper floor is warming ...
Thanks @iancalderbank, I can give that a go, perhaps all upstairs rooms bar my office as a first attempt. Just a note - if TRVs were all down to 1/2 ...
(apologies for post blitzing yet again - posting as find things etc) Architect responded, heat calc was last one sent over however architect pointed...
This AM I’ve had to put the ASHP on the weather curve as it’s simply too warm upstairs with the ASHP running at 42C fixed (seems to be get 1.5V-2C low...
Thanks Derek, I’ll see if can find an hour to do this tomorrow. With the cycling it might be hard to get this however, perhaps recordings every 10 min...
On another note (realise I’m post blitzing but trying to comprehend as much as possible). if currently today I’ve run the system with no weather...
Thanks again for all this. I’ve relayed it to architect and also queried things in the Calc doc as some rooms structure dates etc are wrong and a numb...
This was the battle I had I think in June last year, they were just useless and I asked if we could get other plumbers but was reassured (incorrectly ...
hi Derek, I think the issue was what they suggested in these calcs couldn’t fit and they started going on about adding 2 tall rads with shorter ones (...
hi Derek those are the ones installed. So essentially they were talking about D20 when really should have been talking about D15? And weren’t referrin...
Hi Derek, I have the to hand, but not posting here as has address details, happy to DM you directly if useful? I believe the calcs were done based o...
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RE: Anyone concerned about GivEnergy?
Is there actually any example of something that doesn't...
By JamesPa , 44 minutes ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
@temperature_gradient I've had air-to-air for just over...
By Anne Smith , 3 hours ago
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RE: Home automation and the cloud; is there a better way?
+1 It's not just cloud though. Many devices have repl...
By bobflux , 3 hours ago
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RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
We've started to document everything, and part 2 of the...
By Mars , 9 hours ago
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RE: Summer usage. Why is my Vaillant Aerotherm using so much energy on "heating"?
So the red bars are 'DHW' and the yellow bars 'heating'...
By JamesPa , 10 hours ago
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Its good kit the Midea and significantly cheaper, you w...
By ASHP-BOBBA , 14 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Have you tried cutting the grid feed to see what actual...
By JamesPa , 14 hours ago
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Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 14 hours ago
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 14 hours ago
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 1 day ago
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RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 1 day ago
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There are just too many unknowns for me to comment on p...
By Transparent , 1 day ago
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RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
By ChandyKris , 1 day ago
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RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
By JamesPa , 1 day ago
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RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 1 day ago
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RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
By Old_Scientist , 1 day ago
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RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
By marcexec , 2 days ago
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RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
By JamesPa , 2 days ago
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RE: High air source heat pump running costs – Vaillant AroTherm Plus
Quite right. I was using a rough guesstimate of doublin...
By Majordennisbloodnok , 3 days ago
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RE: My Grant R290 9kW Heat Pump Installation
Again, really don't know how accurate this is! &nb...
By petch , 3 days ago
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
@toodles The whole scheme is a shocking waste of money....
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
Yes, and these guys would probably be my preferred inst...
By Batpred , 3 days ago
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RE: Hot water tank lose heat rapidly on random days
@jamespa Hopefully their reasons are well intended! ...
By Bash , 3 days ago
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RE: Ecoflow UK Support & Info Thread
As mentioned above, we’ve got our full review of the Ec...
By Mars , 3 days ago


