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Last seen: Mar 16, 2026
55m2 is a very small heated area, a 5kW unit would provide 90W/m2, which is at the higher end of the 65-85W/m2 'typical installed heating load' for a ...
AFAIK, SMETS2 2nd generation smart meters are able to share data between suppliers. Each energy supply company will partner with a 3rd party smart met...
It was straight forward for me. External metre box, my then supplier OVO installed the smart meter. I was pleasantly surprised that, even though it wa...
Pop a tablet mate 😉
@mike-patrick I have the same Grant Aerona 10kW unit. You can used the controller to access some real-time data, but it's approximate and rounded. Tha...
Oh dear, that's a worry. The Grant engineer doesn't know how the Chofu/Grant ASHP works. It has a fixed speed/head curve pump, flow rate is constant r...
@jeff thank you. The above might just as well be carved on the tombstone of the Government BUS scheme when they quietly scrap it later this year./p> ...
@sunandair Derek is bang on. More flow on the secondary side than the primary means cooler return water from your radiators mixes with primary heated ...
It's worth noting that the destructive failure tests in the video were on battery cells not encased in any housing or enclosure.
@dak51 interesting. Sadly the talk of BritishVolt's planned EV battery manufacturing plant at Blyth now has a very hollow ring. I have a 6.5kWh Grow...
OK, first full monthly billing period with Cosy Octopus, and, combined with a 6.5kWh battery charged at cheap rate periods, it has saved me 25% compar...
Grant make the assumption that higher leaving water temperatures have a higher delta T between flow and return, compared to lower temperatures. For th...
Latest Posts
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
To be fair to Octopus customers, it would be better if ...
By AndrewJ , 4 hours ago
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RE: Seeking ideas / information / commiseration - Pure Drive
Most of the times whole house backup can't work without...
By bobflux , 4 hours ago
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RE: Home energy storage & battery register
AC coupled Pure Drive 10kW battery Solar PV Solis P...
By Little Lights , 7 hours ago
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RE: Rate the quality of your heat pump design and installation
@claireisamazing, that’s got to be one of the most posi...
By Mars , 7 hours ago
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Got myself in a pickle. I have two types of plugs, but ...
By David999 , 7 hours ago
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@jamespa Great, thanks - I've had a quick look at the a...
By Little Lights , 9 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: ispookie666 Manufacturer: Vaillant Mo...
By ispookie666 , 10 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
I'm fairly new to the forum and have not voted. Back...
By ispookie666 , 10 hours ago
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I am seeing an increasing number of occasions when my G...
By DavidAlgarve , 11 hours ago
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@transparent I have been a little reluctant to select "...
By DavidAlgarve , 11 hours ago
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RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
@editor Thanks Mars. I look forward to the subsequent ...
By DavidB , 16 hours ago
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RE: Anyone concerned about GivEnergy?
Fair enough. Its interesting that opentherm (for boil...
By JamesPa , 17 hours ago
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RE: Brand and installer questions for ASHP
A tank solely in the return (upstream of where the retu...
By JamesPa , 17 hours ago
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RE: UK DIY Battery: SEPLOS 48V 200Ah x2 + Sunsynk 8K – Safe Installation for Garage Conversion
thank you to all who have already replied. I have been...
By madsid , 18 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 , 1 day 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 , 2 days 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 , 2 days ago
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Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 2 days ago
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 2 days ago
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 2 days ago
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RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 2 days 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 , 2 days 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 , 3 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 , 3 days ago
