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Last seen: Sep 19, 2026
This screenshot from the John Cantnor video on cycling shows why it's highly likely that an someone significantly oversized heat pump is less efficien...
Fair enough. With R290 heat pumps, which seems to be the direction if travel for reasons of gwp, this is possible natively at a cop of >1. We j...
EPC no longer necessary Here is the link to the part of the regulation that previously specified such a requirement and in addition some insulation...
The regulations also include this paragraph: 4) For the purposes of [the paragraph requiring 100% coverage ] “hot water” means hot water which i...
Whilst the eco arguments for PV and heat pumps and, to a lesser extent EVs, are pretty clear, the eco argument for a battery is much less so, at least...
Bus and eco4 are totally different schemes. There is no EPC rating requirement for bus Eco4 has, I believe, both an EPC requirement and a means t...
Check the detailed specs. 7kW Vaillant is actually 8kW + at your operating conditions so unlikely to be a better size match than the 8kW Samsung. Th...
I wish I had the large slab that you have. Unfortunately my floors are either suspended wooden or uninsulated concrete. My house heat capacity i...
It's interesting that you make this point, suggesting you think (I'm not disagreeing btw) that the gaps between heat pump capacities in the range of a...
@johnmo well done for looking that up! I don't think I ever managed to find the detailed Samsung specs, but it's been a while since I looked! If th...
Funny how simpler is often better. I have settled on running my heating 24*7 at same temp no setback, bedrooms slightly cooler than living rooms (by ...
@johnnyb very much in tune with the thoughts above and would advise against oversizing. The problem may be if you want the BUS grant as that require...
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Degrees of Separation
Latest Posts
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RE: Next steps on my ASHP journey: Radiators and Pipework
You've spent ages deliberating over flow rates being po...
By Singlespeed , 2 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
If they can't don't give up. Heat pumps are, in reali...
By JamesPa , 13 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I wouldn't be too concerned about the design ...
By Rob of York , 13 hours ago
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RE: Missing flow temperature in Heat Geek proposal
Yes that's what would happen by turning down the lsv to...
By JamesPa , 14 hours ago
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RE: Grant R290 DHW Cycle Interuption
It looks like some sort of short pre-run. The question...
By JamesPa , 16 hours ago
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RE: Cascade System or larger single unit
@renewables345 I would say if it a new build it’s no mo...
By Aventus Eco , 16 hours ago
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RE: Why are ASHP installs so expensive?
Posted by: @batpred There´s another aspect that coul...
By Rob of York , 21 hours ago
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RE: Say hello and introduce yourself
@gz00, welcome to the forums. There’s a huge amount of ...
By Mars , 1 day ago
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RE: Home energy storage & battery register
1 fox ess lv5200 batteries, plus 2 more waiting to be i...
By Jimcub , 1 day ago
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RE: Heat Pump deployment statistics: June 2026
@l8again Unfortunately the government is, I suspect,...
By JamesPa , 1 day ago
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My feed of random industrial auctions turned up this au...
By Prunus , 2 days ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 3 days 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 , 3 days 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 , 4 days ago
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