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Last seen: Apr 25, 2026
@lucia you can’t improve the emitters to get more wattage out of a heat pump. All you can do is put an electric fire on! or wear more clothes and l...
@lucia don’t whatever you do go with a 4kW Daikin, our annual gas bill of 18000kWh means we need a 6.7kW ashp your 16000 means you need a 5.5kW (ish) ...
Air in the system?
I plumped for brand reputation but that doesn’t really fully encompass it. All of the above might have. For me mitsubishi or Vaillant yes daikin...
@johnmo max flow temp of 32C! Do you have huge radiators or very little heat loss? You can’t be describing ufh since it’s responding too quickly.
Going back to the original post and Octopus are partnering with heat geek and today’s plumbers were chatting about this at lunchtime as to how it wil...
Each installer/designer can have their own idiocies one wouldnt count our cavity wall insulation because we couldn’t prove it was still working aft...
@lucia another thought is flow temp. I played around with our house on heat punk to address this question. If I adjust our radiators to those needed f...
@lucia I’ve been having a think about your choice. Which magazine says the ovo tarrif is the best followed by octopus agile then octopus cosy. I th...
Here’s a good demonstration of the variation with buffer or 4 port that @heacol is referring to. Possibly better posted in the very long llh thread. ...
Our planning application is submitted and noise may not be addressed because we ended up within MCS on everything except it can be seen from the road....
@lucia @gunboat totally agree avoid the 9kW at all costs and in proportion the 4kW is the same. Bear in mind that the 4 doesn’t output 4 at -2C so if ...
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Latest Posts
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RE: Electricity price predictions
@toodles Yes Octopus customer services was very upfr...
By Papahuhu , 7 minutes ago
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These are a bit hard to read but the information is in ...
By bobflux , 2 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
Ah, not so useful then For sure, hopefully before ...
By JamesPa , 2 hours ago
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Thanks @editor I appreciate that things go wrong, bu...
By venkman , 3 hours ago
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RE: Seeking ideas / information / commiseration - Pure Drive
@little-lights If I understand you correctly your syste...
By JamesPa , 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 , 16 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 , 17 hours ago
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Got myself in a pickle. I have two types of plugs, but ...
By David999 , 17 hours ago
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@jamespa Great, thanks - I've had a quick look at the a...
By Little Lights , 19 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 , 19 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 , 20 hours ago
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I am seeing an increasing number of occasions when my G...
By DavidAlgarve , 21 hours ago
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@transparent I have been a little reluctant to select "...
By DavidAlgarve , 21 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 , 1 day ago
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RE: Anyone concerned about GivEnergy?
Fair enough. Its interesting that opentherm (for boil...
By JamesPa , 1 day 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 , 1 day 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 , 1 day 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 , 2 days 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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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 , 3 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 , 3 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


