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Last seen: Nov 3, 2025
@julianc consumed, or purchased from the grid? Two very different things
I didn't bother with micro and went with string. There is no shading on the roof and the price of micro Vs the percentage gain didn't make it worth it...
@novemberromeo I posted a tool to do heat loss calculations on the forum. I'd say have a go and do your own so you can compare. It's very easy to do
I've just checked and so far this month we've bought used 285kw; this includes battery charge at a cheap rate, but we would be buying that energy anyw...
The effect of Go and batteries - all of that use was 5p/kw. The rest of the day was batteries and solar. Big difference between what I see an...
@info it's targeted at EV owners. Realistically they have no way to tell if you have an EV or not.
@editor no we had to get one fitted. They used the rate we agreed when we applied. Not what it was when the meter was fitted. Took a couple of months
@derek-m it's much smaller than our A2W. However it's in our main living space. I could easily time it to run for 4 hours at the low tariff point, so ...
I am now looking at this Pi based system -/p> I will probably use the emonPI system and I can also use the same Pi system to control my battery char...
@jeff guess i'll just wait for my first monthly bill
@jeff I cant actually see when it ends. They stated 12 months, but I have nothing giving an end date. However hopefully all these issues will be clear...
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Degrees of Separation
Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Not a problem; that’s why I left it as it was. The pers...
By Majordennisbloodnok , 4 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 13 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 2 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 2 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 2 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 days 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 , 3 days 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 , 4 days 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 , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 5 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 , 5 days ago
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