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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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Latest Posts
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
I think Heat Geek have done an amazing job on their bra...
By Tomtheheatingengineer , 3 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
I have just had 3 heat loss surveys, one by heat geek o...
By David , 4 hours ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
I think that's the key question. After all inverter uni...
By Prunus , 5 hours ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 6 hours ago
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RE: How should the Boiler Upgrade Scheme be reformed?
A unit which uses water to transfer the heat/chill from...
By Temperature_Gradient , 6 hours ago
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RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 7 hours ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 7 hours ago
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RE: Missing flow temperature in Heat Geek proposal
Good plan. If you can get half hourly meter readings a...
By JamesPa , 12 hours ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
@editor Most certainly. The heat pump was an ideal s...
By Abernyte , 12 hours ago
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Although regulations may well vary from country to coun...
By Majordennisbloodnok , 13 hours ago
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RE: Does anyone have experience of a smart water meter?
Yep I caught our slow leak from a £100 bill rise 8)
By EtchedPixels , 13 hours ago
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RE: Do You Need a Buffer Tank or Low Loss Header for Underfloor Heating in a Large Property?
@jamespa in some cases, failing the Turing test might b...
By GrahamF , 16 hours ago
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RE: Passiv Smart Thermostat - Help & Forum Support
@energystoragetech The heat capacity of some...
By JamesPa , 18 hours ago
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RE: tepeo ZEB UK Support & Info Thread
Sorry you are correct, I was remembering figures from t...
By JamesPa , 1 day ago
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