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Last seen: Sep 17, 2026
@bontwoody I'm following your endeavours with interest, as I have an outbuilding with east/west roof, and room for two panels on each aspect in landsc...
Do you really see days where the average temperature is -6.1C over the whole day? You may see a minimum temperature of -6.1C, but I doubt the average ...
@papahuhu I prefer to look at it simplistically. We drive around 8k miles per year, so at 4 miles/kWh that's around 2000kWh of electricity added to ...
I've not given it much/any thought. I did look at the prices, and if I were switching back to Cosy now I'd stay on the variable. Not worth signing on ...
Yes, looks like very slight increases in the unit rate (presumably the headline 4% increases are offset by the removal of VAT), and a reduction to the...
D'oh - of course. I shouldn't post before my brain is fully awake!
85kWh of gas usage, divided by 24 gives 3.54kW and adjusted for 85% boiler efficiency gives a heat loss of 4.16kWh. Allowing for DHW and cooking bring...
Any idea how efficient your gas boiler is? Is it a 50 year old Baxi Burmuda back boiler from the 1960's that's probably around 50% efficient, or a mod...
Have you considered keeping your FF boiler and supplementing it with an A2A heat pump (that can also provide cooling in summer). You could run it over...
Flush and fill all complete. Octopus kindly gave us an hour of free electricity today, so after heating the DHW to 57C (ASHP and immersion on full w...
Samsung (and another OEM) recently announced ASHPs that can do both A2A (for heating and cooling) and A2W for (heating and DHW) in one outdoor unit. I...
Would something like the extremely popular Midea portable split unit work for you: I know a few people who have purchased such devices this year ...
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Latest Posts
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RE: Heat Pump deployment statistics: June 2026
To my eyes, sat behind all of this is a basic policy ma...
By Temperature_Gradient , 4 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 8 hours ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 8 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 11 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Have you looked at the Nibe website? They list their ap...
By Lizzie , 12 hours ago
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RE: Why are ASHP installs so expensive?
A not unreasonable position and it wouldn’t be mandator...
By AndrewJ , 12 hours ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 2 days ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 2 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 2 days ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 3 days ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 3 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 3 days ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 3 days ago
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