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Last seen: Aug 16, 2026
@adamk check the temp sensor specification, +/-0.5C may be the accuracy of it.
@simonf no sensor is accurate unless calibrated, I ran the calibration cell in the test laboratory at Gaydon Proving Grounds for a few years; everythi...
@dr_dongle sounds like an adventure. Ive been in Automotive Electronics all my career, I just rewired my Audi to accept Heated Seats; if you didnt kno...
My Cosy6 heat output was 116kWh yesterday, giving an average of 4.8kW/h. Temperature here dipped to -5C last night, coldest so far. COP has dropped ...
@transparent The warm deck roof 150mm thick, eventually a second layer of wool insulation will go up with the ceiling boards The front extension...
Yes, the builder reminded me to allow a good air gap, have 50mm gap up to the top of roof pitch. always good to state the obvious incase some newbie...
As you have maximum floor insulation, there will be little heat coming into the loft area from below, and in summer there will be a large solar gain f...
Last night was a good test whether your ASHP was specified correctly to your house heat loss. I’m at 52 degrees North, Central England, OAT levelled...
Just had my annual service by Octopus. The engineer replaced the pcb in side the Cosy6 without me prompting him. I asked what the new PCB did, all h...
@transparent “the 15kWh battery being discharged at the maximum 100A (5kW) would therefore last 3-hours.” 15kW would only last 2h42m as discharge ...
@majordennisbloodnok I am considering increasing my battery from 5 to 10kW, I’ll ask the installer if when you do that the time take to charge both ba...
@majordennisbloodnok I have the growatt SPA3000TL, it’s not hybrid, spec says charge rate is 3kW and that’s what it does. It also discharges at 3kW ma...
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Degrees of Separation
Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay I started to record oil usage per month on ...
By ian33a , 2 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 5 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 10 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 1 day ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 3 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 4 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago
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