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Last seen: Jul 23, 2026
Having used ToU tariffs for a couple years now, I fear I'm in the minority of people who would respond favourably to financial incentives. My wife and...
@uknick No Open Energy Monitoring here I'm afraid. I do have a MID electricity meter fitted that records ASHP electrical usage (a bit like those used ...
I'm torn on this. The issue I see is that when one performs a retrofit (heat pump installation onto existing heating system), the installer often has ...
Out of interest, I've just had a look back at my radiators spreadsheet, and at a flow temp of 35C (which is as high as we are ever going to run), my l...
My heat pump is maybe 3 times oversized on paper being a 12kW unit and my heat loss to date has been around 4kW, although we do not heat the house to ...
Following on from @jamespa excellent answer(s), it really all starts with the heat loss figure. If you know the heat loss for the property (and even b...
@papahuhu Yes, a net metering tariff where import and export are the same price seems a bit of a paradox where import prices are rising at the same ti...
@Toodles Agreed. Perhaps I'm too much of a perfectionist, always trying to squeeze that last couple percent performance out of the system. However, th...
Yes, I'm guessing it was kind of easy (less costly) for them to delay until 1st March as I imagine most people are not exporting any significant amoun...
Me too. Another reason to consider IOF in summer, now effectively paying double SEG rates for export? I've not seen anything (yet) about IOF rates cha...
@upnorthandpersonal thank you for sharing details of your home - I thoroughly enjoyed reading your blog posts about your off grid home. Very impressiv...
Indeed, but HMRC subsequently rejected their claim and ruled that all income from Ripple was taxable as they failed the first test listed above: 1. ...
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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 , 5 hours ago
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Heat of vaporization of water is 2.25 MJ/kg (0.625 kWh/...
By bobflux , 6 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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