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Last seen: Apr 25, 2026
Forum Handle: JudithManufacturer: VaillantModel: Aro THERM Plus 7kW (achieves 8.3kW)Type: ASHPArrangement: MonoArea of Country: South CoastHome Type: ...
We investigated this when we had our wood burner installed. We only use it for very cold/for fun/power cuts, not routinely. Our stove is less than 5...
Carbon capture and store is (rightly or wrongly) a key part of the UK’s net-zero strategy to allow gas generation for peak time usage. It sounds very ...
Oh dear! How close is their behaviour to fraud? Over the line in my personal judgement. I’d be down to Citizens Advice for chapter and verse if it w...
The answer if you’re doing a major renovation is a MVHR, mechanical ventilation with heat recovery. No need for trickle vents, cooker extracts can be ...
@irmartini You’ve got a huge amount of personal work to do clearly If you can add even more insulation in your trench then that will help the heat ...
What sort of system did you end up with, what manufacturer heat pump and what are its settings? There are many contributors on here who will be very...
There is a factor which is glaring to me which is average heat loss with IAT of 18.5 (ish) versus std calculation temp of 21 for living areas. So 7kW ...
For the OP we found heating the house with the gas boiler with manual WCand our limit of lower water leaving temperature of 60C (since DHW could not b...
That sort of heat loss isn’t in any calculation I know and therefore there will be no improvement to show. BUT as a result the std survey won’t find i...
I strongly recommend a door pressure test. We had one done for ~£300 and it showed our air leakage was less than one air change per hour. Since we hav...
Our newly fitted shower system was regularly running to cold if paused. The excellent plumber fitting the ashp solved it by fitting a pressure control...
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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



