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Last seen: Jan 5, 2026
I'm similar to you, 4 bed, 6.1 solar, 6.4 battery. I went with Octopus with 8kw heat pump. £2250 after grant. I've looked into increasing battery...
January with 6.1kWp system was 213kWh, double that of December. Jan 30th best of 21.3kWh Jan 1st worst of 0.9kWh West Midlands South facing
@sunandair Like you say it varies dependant on OAT, but room temperature over the last week it averages 1 around 1.5 Deg drop. This is till 4am w...
@sunandair Yes the -2 takes it off the LWT, and I have the Daikin 8kw Using offset, obviously keeps the heat pump running as opposed to stop/star...
@sunandair I've just recently started using pure weather compensation which is what you seen to be looking for. It's building the same weather c...
108 kW/h solar produced for the whole of December. 10 days of January so far and up to 62 kW/h. The negative in January is it's been almost const...
ASHP Daikin Altherma 3-8kw House loss? 5431 @ -3.4 Control mode: pure weather compensation Volumiser yes - don't know size No Zoning op...
@toodles Just register again, I waited ages for my mini so registered again and got it about a week later. My 8kw Daikin bottomed out at about 2...
@davesoa Thanks. I went direct to the installer, maybe that was the difference? Did you go through the heat geek website?
@davesoa I was led to believe the survey was non refundable but would be taken off the cost if you went on to have it fitted with them? I eventuall...
@cathoderay Thanks. Yes I use a windows laptop, bought a raspberry pi 4 to install Home Assistant recently which is another learning curve. Th...
Back to the monitoring, I've just ordered the kit for the ESPAltherma hook up. I've no idea into any computer programming but I'm a willing learn...
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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 , 41 minutes 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 , 4 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 , 9 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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