Last seen: Dec 6, 2025
@transparent the eFiXX team posted s youtube video earlier this year on this subject. "We set out to do what no one should: try to destroy a lithium ...
@batpred my understanding is the current limit for hydrogen within the natural gas network in GB is 0.1% by volume, as set out under the Gas Safety (M...
@batpred This is part of the aims of the regulation (5) This Regulation aims to facilitate the penetration of renewable gas and low-...
@jeff You seem to have a grasp of all things regulatory, so what's you view....should we be keeping an eye on what our European neighbours are doing a...
@trebor12345 Yes, expect defrost cycles to initiate at evaporator temperatures between -20 and -35 degC depending on refrigerant gas, plant design and...
For an air-source heat pump the minimum evaporating temperature depends on the compressor design and the manufacturer’s operating envelope. Typical...
@crimson This youtube might be of help The narrator's voice sounds kind of familiar 😂
You might want to consider the following common faults: Air in the System/Pipes (Air lock): This is the most common problem. Trapped air prevents wa...
@paultheheating How do you currently recoup the oil cost from the tenant and who pays the electricity bills? My understanding is the BUS grant is du...
@jeff The cost of an electric motor is pretty insignificant compared with cost of electricity it consumes in its operational lifetime. The cost of ins...
@jamespa I think you are right about a hotel type hot water feed. Hot water seems to return, see the secondary return shown in this section of dia...
@paullacey From the diagrams I assess you have 2 heat pumps plumbed in "tandem" but controlled in "cascade". What the second heat pump can do is the s...
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RE: Water Hammer After Heat Pump Install
I have a LG heat pump. Installed in 2020. After insta...
By Tim441 , 27 minutes ago
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RE: Mitsu PUHZ-SW120YHA + EHSC-VM20Uk - Performance
Fwiw my house is more stable, for most of the season, w...
By JamesPa , 58 minutes ago
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RE: Who's your electricity provider and what's your tariff?
@majordennisbloodnok This may be a better thread to ...
By Batpred , 18 hours ago
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RE: Help needed with Grant Aerona 3 issues
Noted. Its a pity you didnt capture the flow rate and ...
By JamesPa , 23 hours ago
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RE: Best Heat Pump Brand in the UK
Last Call to Vote & Win! Haven't voted for your Hea...
By Mars , 23 hours ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
Interesting question. To be frank, since I have no inte...
By Majordennisbloodnok , 1 day ago
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RE: Changing from 4-port buffer to volumizer
@andy1618 see the very sage advice from @editor above. ...
By JamesPa , 2 days ago
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RE: New Fogstar 15.5kWh upright solution
The video shows the JK balancer, but the connection of ...
By Batpred , 2 days ago
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RE: Ecodan unable to hit legionella target temp - what's the consensus?
@9jwr9 Hi, yes this is the issue with every (stand alon...
By ASHP-BOBBA , 2 days ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk FWIW I managed unintentionally to 'coax' mine in...
By JamesPa , 2 days ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
You are in essence right. Adia only works with selecte...
By JamesPa , 2 days ago
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No, you haven’t missed out, @batpred. This thread’ll st...
By Majordennisbloodnok , 2 days ago
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RE: Tesla Powerwall – More of a ‘Luxury’ Than an ROI Winner!
Also, though they weren’t prepared to match the price t...
By Toodles , 2 days ago
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RE: How long will your energy contract last?
My INTELLI-FIX-12M-25-08-29 has less than 12 months to ...
By Batpred , 2 days ago
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RE: GivEnergy 2025 forthcoming batteries and inverters
Then, perhaps @toodles , you should've made a submissio...
By Transparent , 2 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I am wondering if anyone with an EV could find the 7p/k...
By Batpred , 2 days ago
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Possibly, but it would also reduce DeltaT across the em...
By JamesPa , 2 days ago
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RE: ASHP sizing - value of Heat Transfer Coefficient
@cathoderay It was reminiscent of the BBC Open Universi...
By Toodles , 2 days ago
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