Last seen: Oct 27, 2025
Octopus removed our gas meter for free a couple of years ago - leaving a capped plastic pipe sticking out of the ground inside the old meter box. I k...
If you get windows replaced, then I think it's well worth getting low U value units in whatever the frames are. It's not simply 3G is better than 2G;...
As I understand it, if a slowly rising common mode DC is passed through the AC only type of RCDs then it will saturate the core in it, and then it can...
We have two car chargers with different plugs🙄 - a 32A one and a 10A one. The larger one is fed with 6mm2 cable from its own tiny CU (looks j...
I’ve seen our mains voltage very high on occasion, but I’ve never known anything happen due to it. We get 253V on a sunny day here - I looked in the ...
There’s no definitive magic deltaT for a heatpump, just pragmatic ‘generally optimum’. If you put more power into the water pump, the deltaT will redu...
That 2.5% cost increase every degC corresponds to my home-made graph pretty accurately. I was confused by the graph above at first, but then I unders...
Technically I could perhaps be called a heat pump designer, having designed and built the one gshp system that has heated our home for 3 years. It’s ...
Why do panels get damaged if not connected? When they are normally in the sun, they get 800W/m^2 evenly distributed, and they warm up everywhere. S...
In the solar panels. On a nice sunny day, a square metre of panels would get 1kW from the sun. Of this we might expect 200W of electical power if...
We had our gas meter removed too by Octopus, for free. It took the guy 20 minutes to do - he turned off the incoming gas lever in our cabinet, remove...
I notice on a pic on page 2 what looks like heatpump gubbins (buffer, tank, pump, pipes) in a cold ventilated loft? How much insulation is there in ...
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RE: Grant 13kW Aerona3 - issues getting zones to temp
Well thats good in a way. Eventually they will be forc...
By JamesPa , 6 minutes ago
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Daikin Altherma 3 / HomeAssistant
Any "HomeAssistant" Boffins out there? Can the freque...
By Ubert767 , 2 hours ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
Thanks, @jamespa. Of course, it’s irrelevant unless Hea...
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RE: Solar Power Output – Let’s Compare Generation Figures
2025 - now a record year of Solar PV Generation. Octobe...
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RE: Midea ASHP – how to set weather compensation
@pash44pump - AI may have its uses (and I sort of allow...
By cathodeRay , 5 hours ago
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RE: Help me keep the faith with my air source heat pump installation
If you have HA up and running watching the flow temp or...
By JamesPa , 5 hours ago
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RE: Mitsubishi Ecodan R290 10kW performance
Totally agree that any system is reliant on the ability...
By Sheriff Fatman , 5 hours ago
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British Gas Heat Pump Installation Complaint
In 2024, my wife and I thought that we would try to do ...
By BGNO , 6 hours ago
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Erm... no we can't! The issue first raised by the OP ...
By Transparent , 7 hours ago
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
@grahamf good set of questions. Can I suggest just one...
By JamesPa , 7 hours ago
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RE: Is it mad to think there should be a minimum SCOP for UK heat pump installs?
This wouldn't solve the problem @mars is trying to solv...
By JamesPa , 7 hours ago
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RE: Who has a V2G EV installation
I have PV, ASHP, UFH, Battery storage and no Gas (yaay ...
By AgentGeorge , 9 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Thx, but Sven did the hardware development. My role (as...
By Mosibi , 19 hours ago
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RE: PV Panels on roof in Conservation Area
@majordennisbloodnok Fnaargh, I was thinking about try...
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RE: Electricity price predictions
@jamespa Ah, you mean MPs that have not pro...
By Batpred , 21 hours ago
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RE: Buying large amp bidirectional RCD and RCBO
Exactly @transparent , this type of RCBOs are not easil...
By Batpred , 22 hours ago
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RE: Very Much Awake – Renewing the Heating Industry One Step at a Time
I feel that that attitude shared by Aadil from Heat Gee...
By Toodles , 1 day ago
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
and we have some of the strongest tidal flows anywhere ...
By Old_Scientist , 1 day ago
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RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems
This looks OK. Overall you have roughly the right amoun...
By Old_Scientist , 1 day ago

