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Last seen: Nov 3, 2025
@julianc they said it would be up to 10 days. From what I've seen it'll be quicker
@julianc because of the Green Homes Grant the documents need to be reviewed. I had to submit paid invoices to show how much I paid towards the system ...
@morgan pretty poor. Although with the GHG having ended, I doubt they are in a rush
Next step - RHI application has been placed. Awaiting the process
As an FYI we have a 12kw system. Today its been using around 2kw to heat our hot water, so somewhere in the region of 500%-600% efficient 2kw in 12kw ...
Solic now replaced - all working and diverting now. A bit of extra free energy for the tank
Just left it for the time being. I'll probably get rid next year after we've had the winter. It's all disconnected and just a lump on the wall for the...
Boiler cupboard (boiler doesn't work anymore!) - quite messy with old and new pipework. Anything unlagged is old (I assume?!)
Guys came back today to finish off the lagging and tidy up a few areas. Changed out the expansion tank from 18l to 25l. Not really a lot else to see e...
@gordonville don't even think about a heat pump yet. Sort out your insulation, first, second and third.
@julianc H2 is much more convenient for the consumer. Stores far more energy per litre, quick to refuel and retains the existing infrastructure of pet...
This was yesterday - the results of AC, a hot tub and 14kw of batteries. We can keep the heat at bay and we don't pay for it. Honestly if you have sol...
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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 , 3 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 , 23 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



