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Last seen: May 17, 2026
I'm really struggling to imagine that the house you describe with the insulation you describe is 10-11kW unless you the design temperature where you a...
Prior to installing an ashp I had I diverter. However I disconnected it once the ashp was installed. Cheaper by far to heat dhw at 8p per kWh and a ...
Welcome to the forum and you are thinking in the right way, ie about reducing the complexity and number of controls. The first questionto answer is ...
This depends on the system design so cant be certain without further details but UFH often has a max FT of ~35. Before we dive too deeply can I ask,...
Possibly the thermostat is connected in a way that means, with only one contact, it operates the same as Method B. But yes its confusing.
@cmartinbwmba Method A I cant quite translate for certain but it seems priority mode and non priority mode refer to heating and cooling....
sounds possible but of course wind only blows from one direction and its not from the inside of the house! I think that might be the drift of the comm...
Sorry to hear that but not surprised. I am pretty sure this is a rebadged product which Ideal wont understand in depth, which is a pity because their...
Further to the post above I have now worked out (I think) 2 port buffers. The conclusion is, just like 4 port buffers - avoid. Here is the explanat...
The question is, what is 'the latest method of calculation'? Here are two relevant extracts from MIS3005-D which point to the answer to that question...
How is the figure measured, specifically is it a measure of it passive infiltration or an artificial measure with a pressure that is greater than woul...
Latest Posts
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RE: Advice on Vaillant Sensocomfort
@jamespa Thanks, that’s useful. It also seems the ...
By Batpred , 3 hours ago
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RE: Debugging my legionella immersion heater
I notice this (66 is rather hot) with my legionella cyc...
By JamesPa , 8 hours ago
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
@transparent I thought you would spot that wind turbine...
By Batpred , 9 hours ago
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UK warm homes plan - how can it be delivered?
@editor Sobering thoughts on your article on the workfo...
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RE: Setback savings - fact or fiction?
You are right to be intrigued by it IMHO. SOFAIK it is...
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@swwils there is no logic to oversizing a heat pump. It...
By AgentGeorge , 19 hours ago
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RE: Vaillant Sensocomfort Time
Thank youy for the pointer. I think I have managed to ...
By ispookie666 , 1 day ago
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RE: Forum updates, announcements & issues
I have been doing a lot of work on the site lately and ...
By Mars , 1 day ago
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@majordennisbloodnok good advice, thanks for that.
By David999 , 2 days ago
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RE: My Grant R290 9kW Heat Pump Installation
I am following this thread with great interest and than...
By TaffontheTaff , 2 days ago
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RE: Sizing an ASHP; Heat loss and kW
You can't measure heat loss with a website. But you ca...
By JamesPa , 2 days ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — I have a sort of residual interest in this pr...
By cathodeRay , 2 days ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 3 days ago
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I have a Contactum CU. Would the below RCBO (descriptio...
By Batpred , 3 days ago
