Last seen: Aug 5, 2025
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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RE: Ecodan - Legionella Operation Time and Target Temperature
Just reading through this thread and thought I'd add my...
By Old_Scientist , 5 minutes ago
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Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
Well, Mrs F and I have got ourselves on Greg's pre-orde...
By AllyFish , 29 minutes ago
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RE: Why do we need pressurised systems?
A good question @toodles. My old open thermal store and...
By AllyFish , 1 hour ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@dgclimatecontrol It needs recovering because, as I exp...
By DavidAlgarve , 1 hour ago
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RE: 300 Liter Tank - Do I have to heat it all?
Cross references for @martingale Background discussi...
By Transparent , 15 hours ago
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RE: ASHP heat output monitoring
Thanks. It may be just Vaillant, not Grant, I just had ...
By cathodeRay , 16 hours ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
@terry1812 Oh Good! Pleased to help if I can! Regards, ...
By Toodles , 1 day ago
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It's unclear to me how the Smart Control project work b...
By Transparent , 1 day ago
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RE: Have Consumers Been Lied to About the Efficiency of Heat Pumps Made in China?
@pavel, this isn't about discrediting Chinese products....
By Mars , 1 day ago
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RE: Solar Power Output – Let’s Compare Generation Figures
We had an excellent four months (11/3 to 15/7) generati...
By JulianC , 4 days ago
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RE: Is this just haze or something more?
I think the present somewhat cooler hazy days show the ...
By Judith , 4 days ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
All noted and accepted and as I say I am sorry that you...
By JamesPa , 4 days ago
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I think it is very much me that is sitting outside the ...
By Grantmethestrength , 4 days ago
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RE: Who's your electricity provider and what's your tariff?
Aggregators have been recognised for many years, and it...
By Transparent , 5 days ago
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RE: Help me keep the faith with my air source heat pump installation
Great news I edited my previous post (probably af...
By JamesPa , 5 days ago
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RE: Double or Triple Glazed Windows?
@toodles Glad to hear things are progressing well for y...
By TRBob , 5 days ago
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How to waste energy (and time) playing with AI.
A friend of mine who subscribes to an AI service was ex...
By Toodles , 6 days ago
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
@topher you’re more than welcome to, yes. I’ll send you...
By Mars , 7 days ago