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Last seen: Nov 11, 2026
Indeed. If the primaries are not big enough to carry the heat into the property, heat loss due to poor insulation is the last of your worries as there...
Sorry, not sure I can help. I only use Daily schedules which only apply to DHW. We use a programmable third party room thermostat to control heating O...
How big is your proposed solar array? I have 7.2kWp array and a 5kW export limit, and it's not overly limiting with a bit of careful battery managem...
I'll go with the standard grey open cell foam insulation you see indoors (as it's protected from UV), with the normal 45deg cut corners. Surely they c...
For our usage, I estimate I may save around £12 during the winter months for Fixed Cosy vs the Cosy Oct 2025 pricing, so not enough of a saving to cov...
You are correct that the Samsung docs recommend a minimum system volume of 50L, but note the key word there is minimum. In reality, the system volume ...
Interesting, but IOF is so much better for us in summer, I will need to calculate if the saving would offset the £25 early exit fee to switch in sprin...
Our region has increased to 14.794p which is a 14.6% increase, notified in a letter from Octopus that states "Energy prices will rise 1-2% for most ho...
Agreed, and I'm in no way trying to defend poor system design or the use of buffers, just trying to rationalise why some installers choose to use buff...
3: For retrofits, installers have no clue what existing pipework they are working with, what flow restrictions they may encounter and what head pressu...
MCS SCOP 3.84 (design LWT of 47C) Actual real world SCOP 3.75 (running LWTs of 32-35C) So despite running significantly lower LWTs, real world SCO...
I think you need to be sure you are comparing like for like. It is true that you can buy a Fogstar 16kWh battery for around £1750 whilst a comparabl...
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Latest Posts
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Should I change my cylinder when changing from a gas boiler to a heat pump.
I have 178 L Gledhill unvented cylinder which was fitte...
By David , 7 hours ago
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 8 hours ago
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@batpred The Daikin temperature probe protrudes from th...
By Toodles , 12 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 14 hours ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
They don't have to try. Our entire system is d...
By EtchedPixels , 14 hours ago
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RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
By JamesPa , 14 hours ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
By Chilli304 , 18 hours ago
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Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 19 hours ago
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RE: Buffer tank on a 2 x 14kw Ecodan system
Pretty much as I had guessed in my crude scaling from m...
By JamesPa , 22 hours ago
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RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 2 days ago
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RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
By SusannaSaunders , 3 days ago
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Six books in three years and I think I’ve now covered j...
By Mars , 3 days ago
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