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Last seen: Jul 23, 2026
That's stupidly cheap off peak, and will halve your motoring costs. Hard to imagine given what's happening and the current costs of electricity (I kno...
One can only hope. We were in that position back when Putin invaded Ukraine, but I fear that as long as bills just continue rising, many a person ma...
Why? Factor in 85% efficiency for that oil boiler and you're looking at more like 14p/kWh. Therefore, a heat pump with a COP of 4 (easily achievab...
Unfortunately this tale of woe perfectly illustrates why removing the link to gas prices in the UK system won't result in cheaper electricity prices a...
Same here - I record the price of oil on the 1st of each month in my spreadsheet and work out what my break even price for electricity would be given ...
All very reasonable. During 2 winter's of usage, I only recall 1 defrost cycle occurring during the DHW cycle, probably a result of always trying to r...
@jamespa Sorry, I've checked and am unable to find a system schematic showing a volumiser in any of my Samsung documentation (I thought it did). The...
Whilst I generally agree with the above, it can be manufacturer specific. For example, my Samsung heat pump will take heat from whichever cycle is a...
@morgan A friend of ours told us they placed an order with Boiler Juice just before the conflict and Boiler Juice cancelled the order a couple days la...
Indeed. My point was that if you design for a flow temp of 50C at -3C based on a 10kW heat loss, and in reality the heat loss is more like 7kW then yo...
@petch just wondering how your averaged heat loss survey data compares to actual usage data. Is your existing boiler gas, and if so do you have access...
@petch Yes, if the flow and return pipes immediately split into 22mm runs for upstairs and downstairs, then each branch should theoretically be able t...
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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 , 4 hours ago
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Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
By bobflux , 4 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 , 3 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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