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Last seen: Jan 14, 2025
cynical answer no I wouldn't expect a "typical" ASHP installer to have done a system drawing, and certainly not one that you've said has been "poor". ...
hi danny you mention pumpS , does that mean you have more than one? If yes, do you have a system diagram or an understanding of which pump is circul...
@rich a UPM 25-85 130 is fairly beefy, it may well be enough to run the whole thing. I run a 210m2 house on a single UPM 25-95 130.
@cathoderay your cylinder mfr quotes 2kwh/24h = 83 watts. (FYI Mine's a 300L advance appliances, 69 watts, B rated) the maths is easy, umpteen onlin...
@rich seems to me like you should be able to do what you have drawn, yes the LLH is ruining your COP based on those temps you've measured. the fact...
this shouldn't be the case. If its modern, it has to be well insulated or they can't sell it. Mine has only dropped 1C over 8 hrs. Have you insulated ...
I have a 16, which is the 12 without the de-rating. I wouldn't worry about noise as a primary decision criteria. It chugs away somewhat when its sub z...
@dropbear there's an element of confusion in your write up. you talk about the 300L cylinder being preheated to 65 and then heat with something else t...
@transparent ditto, exact same behaviour , on almost all page loads from this forum today and yesterday. at first I thought I might be having an ISP i...
getting wordpress / site not responding errors quite often - every few days. Too many users, site overloaded?
mine too. didn't think it was quite cold / humid enough but clearly it is. defrost after 4hrs running. the pink highlight is about 0953, when perfor...
@cyrusir if you use an ESP as the modbus master, the ESP is the only thing that has to be wired to the MIM module. the comms from the ESP to your HA ...
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RE: Anyone concerned about GivEnergy?
Yes and no. Native controllers generally do a good jo...
By Majordennisbloodnok , 2 hours 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 , 7 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 , 7 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 , 13 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 , 14 hours ago
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Its good kit the Midea and significantly cheaper, you w...
By ASHP-BOBBA , 17 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 , 17 hours ago
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Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 17 hours ago
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 17 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 , 2 days 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



