Last seen: Sep 13, 2025
hmmmm - sadly the Mitsi's are more expensive (£2,700 the pair) and wider (by 300mm the pair). The Mitsi R32s are a little cheaper, do they have the sa...
So this is from Grant - can't fault them for speed of response to an email about 2 x 10kW: When using two R32 Aerona³ heat pumps connected in a casc...
ah that's interesting @jamespa - so could one 10kW (say) supply the HW and the UFH at 35 degs and the other supply the CH at (say) 45 degs? Then presu...
thanks guys - I hear you on the not rushing and plainly we need to sort this heat loss, which is crucial (obvs) but also a bit like nailing jelly to t...
thanks @toodles and @jamespa (again) - I shall have that convo when I find an installer (the chap I was going to use isn't experienced enough and has ...
Hi @jamespa, thanks again for all your thoughts, very useful. Yes I'm afraid time is now of the essence (and yes you're correct we have new ASHP-ready...
Hi @jamespa and a nod to @grahamf for his excellent old/large house explanations. I am still going around in a vortex of different suggestions without...
awesome @jamespa - great advice - keep it simple. And yes the cylinder IS unvented and I agree, can't bear to just chuck away. The PHE call is geniu...
Thanks @iaack and @jamespa for your further thoughts. Your advice has been invaluable. I have a well respected installer ready to install the 12kW V...
@jamespa thanks. For a fossil fuel comparison we spent approx £2,500 (av. 71p per litre) - £2,800 (av. 85p per litre) per year on oil (2023 and 2022 f...
Wow @jamespa thanks so much for this - I am lucky enough (in our very hot summers!) to live in Somerset in an 1840s vicarage made of blue lias stone (...
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RE: Is Your House Warmer Upstairs Than Downstairs?
@jamespa I followed your advice and the room temperat...
By GrahamF , 5 hours ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
This is what the specialist thought but looked...
By Crimson , 6 hours ago
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RE: Faulty Clivet heat pump out of the box
Thanks for giving this post a bump @benson. I'm going t...
By Mars , 7 hours ago
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@treewizard is this not the electrical pulse that keeps...
By ASHP-BOBBA , 7 hours ago
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RE: Samsung Gen6 and Havenwise ........
I am no expert on this but on your gen 6 controller onc...
By Alfapat , 18 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk these are called roll top rads, they were still ...
By AgentGeorge , 19 hours ago
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If the Vaillant is a 7kw unit I’d avoid. Quiet outside ...
By AdamK , 19 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
It has it's uses and there is no way I could have set t...
By benson , 1 day ago
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RE: Oil Boiler & Heat Pump Hybrid System
Thanks for the suggestion, but farmhouse is grade 2 lis...
By paultheheating , 2 days ago
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RE: My DIY Heat Pump installation
This is very kind. However software is not really my ...
By Polar bear , 2 days ago
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RE: Request for feedback on where we're at with our quest to get an ASHP or ideas.
thanks, heatpunk looks great, being able to do the calc...
By giryan , 2 days ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
It has been just over a year since we changed over to a...
By npru , 2 days ago
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RE: Finding a Thermostatic Shower Valve That Works with Heat Pump Systems
@morgan I should just have written ‘Mea Culpa’ shouldn’...
By Toodles , 3 days ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
'We learn from history that we do not learn from histor...
By Lawrence Leask FInstR , 3 days ago
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Mitsubishi Ecodan FTC7 Legionella date set
I can set the number of days between Legionella cycles ...
By DRB01 , 3 days ago
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RE: When to use Octopus Intelligent Go tariff with my heat pump and battery
@treewizard Yes, I like the extra facilities that NetZe...
By Toodles , 3 days ago
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RE: My Octopus Cosy 6 Heat Pump Journey: From Quote to Completion
@editor thanks for highlighting my name. Yes I did get ...
By Chansug , 3 days ago
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RE: balancing radiators with a mixture of different size pipework and a few undersize rads.
@editor Thanks for your input Mars. No I think the comm...
By baxtDave , 3 days ago
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RE: Rate the quality of your heat pump design and installation
We’re looking to expand our list of recommended list of...
By Mars , 3 days ago


