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Last seen: May 31, 2026
@heat-pump-newbie We have a Vent Axia Sentinel Kinetic Plus BH. Which I recommend, had it maybe 8 years, never gone wrong. It has a kitchen extra...
@derek-m For older heatpumps or fridges that don't have an inverter, starting up the compressor is quite stressful, the unit literally twists on th...
@cathoderay Often these days you can borrow a thermal camera, lots of organisations have them. Eg. Cambridge Carbon Footprint will lend one out fo...
Bear with me on this…. Most base things we measure are quantities, not rates… Miles, kg, apples, bananas. The rate for miles is then in miles per hou...
@chickenbig You can borrow a thermal camera from Cambridge Carbon Footprint, free:-). They offer training courses too, free:-). I’m in Cambridge,...
@heat-pump-newbie Yes, just as you say it’s terrible with metal surfaces. You can sometimes program in the emissivity, I think ‘mine’ defaults to ...
@editor I use my companies Flir camera - I think it's E40, or something like that. It was pricey (£5k), but that was ages ago, they're all much ch...
I remember listening to a keynote talk in a conference by Renault about 5 years ago, where they said the same thing - that the future of EV cars invol...
@Transparent I did see the Cenex report, and yes that is the trial we are on. For me the report lacked in engineering detail about CO2 saved due to...
We have a V2G wallbox, for our leaf, on a trial with Ovo. So far as I’m aware, there are just a few small scale trial V2G to date similar to ours, us...
We have 4kWp of (mcs) solar, and subsequently a V2G unit by Indra for which there is a G99 A1-1 form stating the overall export is <16A per phase, ...
Hi Alan Do you have an EPC, does that agree with the 45MWh/year heating + DHW? Has your electricity consumption been similar after the units wer...
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Degrees of Separation
Latest Posts
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I agree with your analysis from the physics standpoint....
By JamesPa , 18 minutes ago
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How can they stop anybody from signing up to a heat pum...
By L8Again , 46 minutes ago
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RE: Indevolt Batteries UK Support & Info Thread
@indevolt-tech When you say 'dedicated switched fused ...
By JamesPa , 2 hours ago
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RE: Electricity price predictions
I'm very much grounded in systems too, so I think we're...
By Majordennisbloodnok , 4 hours ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Unfortunately the answer is Yes you will need a new FTC...
By F1p , 23 hours ago
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RE: PV and battery long payback - sense check query
So if it helps I was recently quoted about 8 grand for ...
By EtchedPixels , 24 hours ago
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RE: HomeTherma Is Live: A New Home-Energy Platform Built Around the Homeowner
Signed up!
By bobflux , 1 day ago
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RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 2 days ago
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RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 3 days ago
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RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 3 days ago
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RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 3 days ago
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