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Last seen: Oct 2, 2026
@andrewj your right, the loft insulation will keep more heat in the bedrooms, its one of the areas Octopus and me disagreed on. I have kingspan in the...
@andrewj The heat pump survey should identify the heat loss of the building. As your house is overheating, this points to the survey being wrong and...
@jamespa maybe we can suggest this to Mars to discuss with heat pump manufacturers
@jamespa The flow temp of my system is set at 36C on the Cosy Hub, the temp gauges on my UFH manifold show a flow of 37C and return of 27C, effective ...
@andrewj have you tried setting it at 2 and 1 and recording what temperature the room gets to. I did that in all my upstairs rooms with radiators an...
@andrewj why is the TRV not working? With it set at 1 the room temp wont get above 18C, setting 3 is 21C i have my spare rooms set at 2 to focus the...
@toodles if @andrewj needs to turn the lock valve to almost shut, doesn’t that point to the radiator being way over sized? The diameter of the flow ...
@ecoste i was reading the installation manual for my Cosy6 stored in manuals.lib last night. It warns not to set flow temp below 36C as it affects per...
@swwils OTA can only occur if the code is held in electrically alterable rear only memory, EAROM. Often a processor has code baked into it, which is w...
@kevh the engineer told me he had a box full of old pcbs that get sent back to NI for processing; likely he means new firmware coded onto the pcb
@papahuhu absolutely correct, if you change 2 parameters, you cant prove which one made the difference. If you close a window and put the heater from ...
@kevh cant notice any difference, I have a better COP at lower temperatures, can speculate they did something to the efficiency curve?
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Latest Posts
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
... And that's being generous! I'll tell you a littl...
By SusannaSaunders , 6 hours ago
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RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 7 hours ago
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RE: Electricity price predictions
great session Reminds me why some politicians can be ha...
By Batpred , 7 hours ago
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RE: Boiler Upgrade Scheme funding reduced by circa £750 million in 2026 budget
Absolutely agree. The massive Hager CU my vaillant requ...
By Batpred , 7 hours ago
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RE: Why don't people choose heat pumps?
With a heatpump tariff, it should be cheaper to operate...
By Batpred , 8 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
absolutely agree. even if many providers see that extra...
By Batpred , 8 hours ago
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RE: Octopussy cosy 6 experience
People who have a Cosy appear generally to be happy wit...
By JamesPa , 11 hours ago
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I thought the cr*p came first and the biofuel came afte...
By Majordennisbloodnok , 15 hours ago
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RE: Aerotherm and weather compensation
@jamespa I replied yesterday with detailed readings whi...
By DavidB , 2 days ago
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RE: Marvel Heating liquidation
@editor This is an important point. each winter, you...
By davidnolan22 , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Very nice. we’ve been super soggy here, but rather m...
By Papahuhu , 3 days ago
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RE: DIY powerflushing tutorial
Interesting! I toyed with the idea too. But I installed...
By bobflux , 4 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews Agree with the others on sequence: loft first...
By mk1234 , 4 days ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
Heating been on for 4 weeks now, continuous. It's 6C o...
By trebor12345 , 5 days ago

