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Last seen: Nov 3, 2025
@pumpo-sorcerer I think you might have 250mm of loft insulation? 2.5m is very very well insulated!!
@morgan @info - for me, I will run my ASHP to do hot water and pre-charge the house with heating during those hours. Also I have a 14kwh battery which...
I am in the process of switching to Octopus Go - 5p for 4 hours a night and 15p for the rest of the day. This just highlights for me the need for sola...
@julianc I guess my PV battery does the dynamic bit for me. The solic only kicks on once the batteries are totally full
@julianc why wouldn't you use the ASHP in the day to heat up the tank? It's going to be far more efficient than the immersion? Mines currently on cons...
I managed to sneak in the FiT for my solar PV just before it ended and I've squeezed both the green homes grant and the RHI from the ASHP. Overall b...
@jeff no way he pays his apprentice that. That's around £60 an hour. Maybe for odd jobs, but for a full-time job, £500 a day is expensive
@editor that's probably right. I think the plumber spent 4 days on the job here with this and that. His cost was £1k a day, so him and his lacky were ...
@jeff seems to me like the GHG is just being replaced with a grant £4k less and the RHI is being scrapped. My cost profile would totally change and pr...
@julianc It will be yes. £10,000 for the whole system £5,000 GHG £6,132 RHI (plus inflation) £11,132 total from the government for the system
As a note - RHI approved. £219 a quarter for the next 7 years, inflation linked at CPI - more than covers my costs
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Degrees of Separation
Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@batpred They offered both, I went with Pro. As an amat...
By baroquebank , 2 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 22 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 2 days ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 2 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 2 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 2 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 3 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 3 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 4 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 4 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 5 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 5 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 6 days ago



