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Last seen: Apr 25, 2026
This is a better article to understand the carbon cost of steel
Neat analysis! Thanks
Plastic is a wonderful material used in the right products. I believe that I’ve read that plastic buckets have saved countless lives in Africa and oth...
How green is off-peak electricity is a relevant aspect because we can all choose an option which will help the planet even if it can’t be justified on...
The best way to handle multiple thermistors/thermocouples! Thermostats indeed any temperature sensor is to do a “cluster test”. Basically you put them...
@lucia is it possible that your DHW is on for a constant time rather than to reach a set temperature?Otherwise it doesn’t make sense. On set-back as...
This seems excellent to me since I get so annoyed with current building regs of two panels on a south facing roof which could take 10. Or two on the n...
We have a 9.5kWh battery which we got in 2022 together with a further 2kW of PV. The payback time was ~7 years then, which we consider completely acce...
The timer is for if you are in expanded mode the wc is modified by switching off the heating if it’s too warm. You can have a set-back temp overnight ...
@transparent it has a virtually clear seal that can barely be seen by eye never mind on a photo. I’ve not proded it (calibrated biro test!) so I’m not...
This is the bracket supporting our 7kW Vaillant. It looks more substantial and is designed for an higher upper weight limit and has no noise we’ve hea...
Boost goes up to your normal set temperature so it depends on how cold it has got. We can see the electricity use profile so know roughly how long it ...
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Latest Posts
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RE: Seeking ideas / information / commiseration - Pure Drive
@jamespa Thanks - I'm OK with having part of the house,...
By Little Lights , 48 minutes ago
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RE: Home energy storage & battery register
AC coupled Pure Drive 10kW battery Solar PV Solis P...
By Little Lights , 2 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@swwils I guess the true test will be November/December...
By Mars , 2 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 , 2 hours ago
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Got myself in a pickle. I have two types of plugs, but ...
By David999 , 3 hours ago
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@jamespa Great, thanks - I've had a quick look at the a...
By Little Lights , 5 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 , 5 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 , 5 hours ago
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I am seeing an increasing number of occasions when my G...
By DavidAlgarve , 7 hours ago
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@transparent I have been a little reluctant to select "...
By DavidAlgarve , 7 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 , 12 hours ago
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RE: Anyone concerned about GivEnergy?
Fair enough. Its interesting that opentherm (for boil...
By JamesPa , 12 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 , 12 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 , 13 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 , 1 day 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 , 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 , 3 days ago


