Last seen: Nov 10, 2025
I apologies for my reaction. I was initially shocked that anyone would do this and then shocked that anyone makes it into a product. I still am TBH...
Am I correct in interpreting the photo as showing the volumisers outside and uninsulated. If so that's dreadful, to the point that this needs to be f...
Of course I know that. I am making the implicit assumption that the objective is that this equals the loss from the house. If it doesn't then the ...
I completely understand and agree with most of that. The only point I would clarify is your statement 'So there are other reasons for getting capacit...
Welcome to the forum and feel free to ask questions. Can you tell us more about the 'volumisers' including ideally a system diagram and a photo. Wh...
OK Thats actually quite a lot to go on. My first observation is that the heat pump has way too much capacity for your house. You didnt give the flo...
Im dont recall saying " if you want air to air heating, use fan coils, not radiators." but if I did then apologies! The deviation of the 'ideal' WC ...
Welcome to the forum and please feel free to ask any question you wish. There are plenty of people here who are willing to help if they can. Tha...
@sunandair @robs Makes a lot of sense to me. I wonder how much adding a second fixed output compressor adds to cost, I would guess very little.
That is not a volumiser that's an expansion vessel. You need one in each pressurised heated system, so one for the central heating (red) and one for ...
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RE: When to use Octopus Intelligent Go tariff with my heat pump and battery
@treewizard Very interesting, thanks - although I hav...
By GrahamF , 3 hours ago
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RE: My DIY Heat Pump installation
…and I’m assuming the “more” option on the right of the...
By Majordennisbloodnok , 4 hours ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
Yup, totally understand, @gmuzz. However, fitting Ope...
By Majordennisbloodnok , 4 hours ago
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RE: Who's your electricity provider and what's your tariff?
So I’m still with E.ON Next, and I received a pretty sn...
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RE: Heat Loss v Outside Air Temperature
I think this can be dealt with without the need for OAT...
By JamesPa , 5 hours ago
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RE: First time wall mounting an ASHP
what you need to do is everything you can to remove the...
By ASHP-BOBBA , 6 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Aira 12kW - @gmuzz
By Gmuzz , 6 hours ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
ASHP switched off per specialists guidance. Seems the b...
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RE: Faulty Clivet heat pump out of the box
@steveimpey that is disappointing. I am inclined to agr...
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@andrewj Bear with me, this is my first post on this fo...
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RE: Are We Sleepwalking Into Another Race to the Bottom?
Is the ZD is a bit of a marketing ploy? has the it bee...
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For anyone interested in levelling up their understandi...
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RE: Solar panels on side of house to heat water
Thankyou for the brain dump, all very worthy items. W...
By paultheheating , 14 hours ago
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Ecodan HW temp setting set itself to 40C
This morning I noticed that the HW was lukewarm and MEL...
By downfield , 16 hours ago
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RE: Is Your House Warmer Upstairs Than Downstairs?
I suspect its mainly that you get the views. Upstairs...
By JamesPa , 16 hours ago
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RE: Mitsubishi Ecodan FTC7 Legionella date set
The next run date/time is determined by the settings co...
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@treewizard is this not the electrical pulse that keeps...
By ASHP-BOBBA , 1 day 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 , 2 days 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 , 2 days ago
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If the Vaillant is a 7kw unit I’d avoid. Quiet outside ...
By AdamK , 2 days ago


