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Last seen: May 17, 2026
@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?
@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 ...
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Harvest Thermal - ASHP with a smart thermal battery
I thought people here might find this interesting, even...
By springswood , 32 minutes ago
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RE: Heat pump installation quotations
@batpred The only draughty place is in the living ro...
By sttpd1917 , 52 minutes ago
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Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 1 hour ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 1 hour ago
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RE: Help me keep the faith with my air source heat pump installation
I didn't know about those, they look like good pieces o...
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@mkz, that's very helpful. Even if Urban Plumber are no...
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
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My first question is why bother with the auto balancin...
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 7 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
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RE: Electricity price predictions
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