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Last seen: Apr 8, 2025
My house was given an EPC rating of B, which I felt was generous, because the process doesn't take account of some of the thermal deficiencies such as...
My system has one of the Telford Tempest cylinders with a 50 litre buffer tank in the bottom. It seems to work very efficiently (claimed COP of about ...
Is that the flow temperature (which the heat pump decides) or the target room temperature (which is an input for deciding the flow temperature)? For e...
Is a heat pump using a few kW continuously considered to be a more onerous design condition than an electric shower which could use 9kW but for only a...
This is an awkward problem which provides a taste of the challenges arising from the objective of decarbonising home heating (IMO all new-build nomes ...
I had the 7kW Arotherm+ installed a few months ago. It was what the only local installer who made a credible quote offered and my research had reveale...
Where is you distribution board? In the I would have expected, based on my installation, that proximity of battery to your distribution board to be mo...
FWIW, here's my cylinder after the pipework was finished and before the pipe insulation was added. The 3-port valve is very accessible. It's possible ...
I think it's this cylinder(I've got one).
Something I'll flag up here is that heat pumps need diverter actuator heads and not the more common mid-position devices. I'm aware of the differenc...
The surge management problem is an interesting challenge. One million batteries all starting to charge at 5kW is a 5GW load. IIRC, the Dinorwig pumped...
Anyone can sign up to the Octopus Go tariff (I've been on it for several years and have yet to get an EV). The Intelligent Go tariffhowever, gives mor...
Latest Posts
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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 , 22 minutes ago
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RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
Every manufacture has a guide and service list...
By ASHP-BOBBA , 1 hour ago
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Its good kit the Midea and significantly cheaper, you w...
By ASHP-BOBBA , 4 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 , 4 hours ago
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Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 4 hours ago
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 4 hours ago
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 14 hours ago
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RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 15 hours ago
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There are just too many unknowns for me to comment on p...
By Transparent , 17 hours 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 , 18 hours ago
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RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
By JamesPa , 20 hours 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 , 22 hours 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 , 2 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 , 2 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: Anyone concerned about GivEnergy?
Many thanks for your, and the subsequent, answers tk qu...
By KevH , 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 , 3 days ago
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RE: Say hello and introduce yourself
@sonosppp welcome to the forums. I see you've posted in...
By Mars , 4 days ago
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RE: Guidance with installing a new heating system
@bobflux Great, thanks for the advice. The pipe has an ...
By Hamilton , 4 days ago
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RE: Daikin Altherma 3 LT compressor longevity question
@optimistic-optimiser I have has a Daikin for a few yea...
By madsid , 5 days ago
