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Last seen: Apr 25, 2026
@jamespa not found the hysteresis to be a problem yet. The house warms up a lot in the sunshine so it’s only back to our desired temperature by later ...
Ours is 1000 starts in 3200 hours running time over 6months. So twice the rate of James, but again nothing I will worry over. Nice discussion from M...
@jamespa use expanded mode! It’s ideal for that, and I’ve just moved back to it.
@gary thanks for that link. A very useful analysis and I’m pleased to read the author’s view corresponds to my quick glance on it being some batches. ...
@eliuccio there are some very high level arguments in this thread which will be challenging at first read. Since you want to make a decision perhaps t...
Nice data set Gary. Tesla clearly had a quality issue with the PW in 2019-20, in that many are showing much reduced capacity even with few cycles. We...
Our Vaillant at present (outside temp 18C and the heat pump is off since internal temperature is above the set point) has a target temperature for wat...
they do allow a volumiser to be used, so the obvious question is could a 4 port buffer be configured as a volumiser and stay in warranty?
@pooneil Hi and welcome. I have to say you are thinking like a gas boiler and heat pumps don’t work well being treated that way. It’s best that you ...
Our solar hot water is now 2C above the set temperature the pump got it to at 1pm. Thats the upside. But solar PV, nominal 6kW was generating 5.6 at n...
Great progress so far, keep going you’ll get there! Your Welsh cottage part will have a very long thermal time constant, as you probably already reali...
Mixer showers need virtually identical hot and cold pressures (or at least our new one did) or you need a high flow to mix properly. Our mains varies ...
Latest Posts
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RE: Anyone concerned about GivEnergy?
Yes and no. Native controllers generally do a good jo...
By Majordennisbloodnok , 39 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 , 6 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 repla...
By bobflux , 6 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 , 11 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 , 13 hours ago
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Its good kit the Midea and significantly cheaper, you w...
By ASHP-BOBBA , 16 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 , 16 hours ago
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Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 16 hours ago
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 16 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 , 2 days 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....
By Papahuhu , 3 days ago
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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 , 4 days ago
