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Last seen: Jul 23, 2026
@editor When reviewing batteries, it is essential to run them over a full winter to review their charging ability when it's sub-zero outside, especial...
If you do go for a PW3, I'd recommend ditching your current solar inverter and getting the installers to connect your existing solar array into the PW...
By way of comparison, the Tesla PW3 + Gateway offers full home backup and 13.5kW of fully usable battery capacity. It also has a flexible 11.04kW inve...
Their reviews are variable at best: I'd be dubious given the amount of time they have been around given their current track record. Tesla are a s...
Our house is not dissimilar to yours on paper. We had a heat loss calculation of around 7.4kW and previously used around 1600-1800L of oil per year, s...
Thank you for correcting my units, but you may want to check your own as you seem to be 3 orders of magnitude out.
@editor Thanks. For reference, here is the statutory instrument laid before parliament, for those who like to read such things: &nb...
My 160L Joule cylinder is rated at 79W, which I presume means 79W/h, so 1.896kW per day. I have no idea what temperature (delta) this is at, but obvio...
My neighbour has his water cylinder (plant room) in a timber built lean-to shed on the side of the house, due to inside space limitations. The shed wa...
It is simply not practical to set the flow temp to 20C for a desired room temp of 20C. The radiators (emitters) cannot emit heat into the room if th...
Agreed, it's totally dependent on the emitters being able to dissipate the heat being produced. Imagine a very large concrete floor with large underfl...
I feel your frustration and anger. I try to lessen those feelings of anxiety by looking at how much we would now be paying for oil had we not ripped...
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Degrees of Separation
Latest Posts
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RE: Missing flow temperature in Heat Geek proposal
@jamespa Thanks, will do.
By sttpd1917 , 2 hours ago
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Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
By bobflux , 2 hours ago
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RE: Air to air bus grant installer anywhere
society and politics require things to be made more com...
By Batpred , 1 day ago
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RE: Advice on my Heat Pump Journey: Old Stone Built Detached Cottage
I would also look at an air/air install if you've got t...
By EtchedPixels , 1 day ago
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RE: Existing Solar Panel installation - structural roof calculation check
What will also happen is that they see that there is so...
By EtchedPixels , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
@indevolt-tech can you please assist @blizzardgreen.
By Mars , 1 day ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
It's a great looking piece of kit and the 5kw is very q...
By avenir , 2 days ago
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RE: Vaillant Arotherm Pro vs new Plus
So with the dedicated Hager CU, flipping the big red bu...
By Batpred , 4 days ago
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Well I usually do it by feel, which is a slight problem...
By Transparent , 4 days ago
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@jeff I am well aware of the riskiness of such investme...
By Toodles , 4 days ago
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Fully understood and entirely reasonable! On the home ...
By JamesPa , 5 days ago
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RE: Electricity price predictions
So I am really having difficulty trying to work out wha...
By bontwoody , 5 days ago
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Ok Well almost certainly it could be used instead of ...
By JamesPa , 5 days ago
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RE: Samsung heat pump - data cable issue
Samsung reference it as "RS485 - COMM" in my manual. ...
By Old_Scientist , 5 days ago
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