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Last seen: Nov 3, 2025
@editor currently in the process of working out my battery expansion for next year. I fully expect to be adding something like 20-30kwh to my storage ...
if there was a lot of damp in the lower walls and foundations the cracking could be caused by the drying out. How large are the cracks?
@andygo it doesn't matter what the installer does. As long as you have an up to date EPC you should be fine and they have all their side with MCS etc....
@andygo as I said, they will only look at the demand heating from the EPC. what you install and its efficiency is irrelevant. They will just add up th...
The RHI only uses the EPC figures. You can play around with them all you like but it will make no difference. The only way to change the RHI amount wo...
@hannah I have now spoken to Vinh (the author of the report). He had the following to say to me via email. I have provided the BOLD and Underline "T...
@hannah you can sign whatever you like - but I see no evidence source linking the age of the replacement in real life? Why 10 years? Also everything w...
@derek-m to get the RHI you need an SCOP of 2.7 or above - so that should be the baseline minimum
@hannah, the report is interesting and I must say I only skimmed through, however a few points jump out at me. With IR you still need DHW, so the...
@editor I would assume she works for Jigsaw infrared. Given both papers are hosted, by a firm selling infrared heating... a pinch of salt is required....
0.245 kg of CO2 per kWh or 2.5kg per litre burned.
@cally-m if it's vibrating in the unit it is probably an issue with the baring inside of the pump or the impeller. Something is unbalanced. I expect...
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Degrees of Separation
Latest Posts
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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 , 15 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
Sooooo, what did we do in the end? We approached three ...
By Penval , 15 hours 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 , 20 hours 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 , 22 hours 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 , 22 hours ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 23 hours 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 , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 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 , 2 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 , 3 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 , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 4 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 4 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 , 5 days ago
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