Last seen: Jul 20, 2025
Havenwise is (or at least was when I spoke with them about 6 months ago) an online only service, no hardware required (other than an internet connecti...
I apologise that I must correct the above. Clause 5 of the regulations still requires a valid EPC. Clause 6 which previously specified that the epc ...
I have seen it argued that 'fabric first' is favoured by the fossil industries as a great way to delay material action. The carbon dioxide savings ...
I wouldn't be so sure about that. Heat pump designers will optimise for max scop at rated output by playing games with the operating point on the cur...
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...
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Latest Posts
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RE: Buffers, hot water and cooling
It is very unlikely to break, but of course it just mig...
By JamesPa , 15 hours ago
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@downfield and @toddles, this isn’t in the settings cur...
By Mars , 16 hours ago
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RE: Homely launched for Grant Aerona ASHP control
I haven't bought the Aerona Smart Controller (£700!) bu...
By Prunus , 20 hours ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
For the record, Grant supply ethylene glycol for their ...
By Prunus , 20 hours ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
By Mars , 1 day ago
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RE: Wood burner with ASHP - direct air?
@sune is ideal to answer this, but I think he's on vaca...
By Mars , 2 days ago
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RE: Say hello and introduce yourself
Hi @topher - you might be interested to see this very r...
By Transparent , 2 days ago
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RE: No-code, plug-and-play monitoring for your heat pump
We've got a svenar heat pump controller en route and lo...
By benson , 3 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Ebac 5kw - Monobloc R32. Developed and made in UK - Mit...
By marcinwloch69@gmail.com , 3 days ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Just another thought - it might be worth thinking about...
By JamesPa , 3 days ago
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RE: BUS Grant: removal of all other fossil fuel heat sources
@rikiarn - just have a think as to how much it will cos...
By Transparent , 4 days ago
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Don't do much digging around.That's best left to the pr...
By Transparent , 4 days ago
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Hi all, I was wondering if anyone had an idea of how th...
By Wh0am3ye , 4 days ago
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RE: EBAC re-entering the ASHP market in 2023
@toodles confirm i have Ebac 5kw ASAP + homely and it w...
By marcinwloch69@gmail.com , 4 days ago
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RE: Compute heat loss from energy used
@jamespa Ebac must be similar to Mitsubishi as they buy...
By marcinwloch69@gmail.com , 4 days ago
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@pie_eater I have been thinking of adding cooling to my...
By TechnoGeek , 6 days ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
Agree, but you may have a hard time convincing them, as...
By JamesPa , 1 week ago
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RE: Seal the Deal: Don't Let Your Heat Pump Leak Energy
Hi - fyi - there's a dead image link in the 'Optimal In...
By seatonian , 1 week ago
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RE: Ripped Off: How UK Homeowners Are Paying Gas Prices for Wind Energy
@chandykris Horses and beggars…. 😉 Toodles.
By Toodles , 1 week ago
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RE: Cleaning up after gas meter removed
@agentgeorge Likewise in the loft space; we have 300mm ...
By Toodles , 1 week ago