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Last seen: Aug 23, 2026
@toodles Yes, kind of. If we hadn't plugged in the EV, we would have just used the solar we generate.
Not sure if the free hour of electricity will run every weekend. But, I added extra charge on the car, some extra hot water, baking etc done. If like ...
@papahuhu Only couple of bedrooms and potentially one downstairs living room. The other downstairs open plan living dining kitchen has far too much gl...
@tim441 Our annual usage is about 3000 kWh for the heat pump, 1300 kWh for the EV and about 3500 for other household. I tend not to discharge from the...
@tim441 That's so true about doing things differently with more knowledge. But, I am glad I discovered this community before we installed our ASHP. Lo...
@tim441 Two reasons, the panels are South West facing. Plus, lots of clipping due to the 3.6 kW inverter. Our DNO approved only 6 kW export, and given...
What a month it has been for solar! We saw our best ever generation with excess of 700 kWh, even higher than last June. Sunny wise, probably June was ...
@peterackstraw What's the calculated heat loss for your property? Ours is a relatively new build with a heat loss of about 6 kW for approx 200 sqm hou...
@trebor12345 20% does sound excessive. Gemini suggests daily standby consumption of around 500 Wh to 800 Wh for a Powerwall, so yours seems to be much...
@trebor12345 I don't have a Tesla, but my Growatt inverter consumes about 30 wH on standby mode. So, over 5 hours it loses about 1%. In winter, this w...
Thanks @old_scientist, that's good to know. Our battery often stays above 90% during the summer months unless we run the dishwasher late in the evenin...
@old_scientist Same here, we don't touch the grid after 5:30 am, but glad to help the grid when it needs and get compensated for the same. And this sa...
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Latest Posts
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RE: How Accurate Is My DIY Heat Loss Calculation?
Any idea how efficient your gas boiler is? Is it a 50 y...
By Old_Scientist , 2 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 14 hours ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 1 day ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
There is scope for product development here. I for one...
By JamesPa , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 6 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 6 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 6 days ago



