
Last seen: Sep 9, 2025
I haven't yet looked at the efficiency of the Growatt SPF5000ES inverters @chickenbig David Poz has made some observations related to this subject i...
I'd appreciate more detail regarding the PAS2035 energy assessors please @hamish-mcmichael. I've recently spoken with someone who is PAS2035 approved ...
A-hah! A new topic. I'll add some pointers back to the other relevant ones: This question has arisen from the discussion Anyone want to share costs ...
Well the ones I have here are certainly more efficient than that! The monitor in front of me is running on 19v which has been supplied from a DC-DC ...
Wow... thanks for that curve-ball @majordennisbloodnok I'm going to drastically simplify the discussion for a moment. Others will arrive here later ...
That story about Eclipse Power's installation of 49MW storage is a carbon copy of the situation I raised in a post here about North Tawton on 21st Apr...
Let's return to the possibilities for using ELV devices within the home:
The wiring between an inverter and a 48v (nominal) battery does operate within the parameters of Extra Low Voltage, but would not normally be referred...
Leaving aside the current problems in sourcing products from China at the moment, I think it might help if I also highlighted here what I've deduced f...
We're moving very fast into another area of discussion within the subject of ELV. I'll address what I've found out concerning connectors here. But ple...
In order to not 'crowd' this topic with ideas and information about the use of 'off-grid' storage batteries, I've started a separate thread about usin...
I discussed this very solution with my DNO in the initial year of the OpenLV Project to have monitored substations. Great minds etc.... 😎 DNOs too...
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RE: COP is not the only measure of efficiency
@toodles Your use case is indeed very different to mine...
By jamespetts , 7 minutes ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 32 minutes ago
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RE: Who’s Caved and Switched the Heating On Already?
Hell no, October as a matter of principle. If I had my ...
By Old_Scientist , 33 minutes ago
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RE: Renewables & Heat Pumps in the News
@mike-patrick Well, if Europe is stalling partly due to...
By Toodles , 41 minutes ago
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RE: Buffers, hot water and cooling
Seems a lot of work with hit or miss results and potent...
By dgclimatecontrol , 2 hours ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@dgclimatecontrol I have no intention of removing the...
By Morgan , 2 hours ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 2 hours ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 5 hours ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 5 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 6 hours ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
Good unit. And the 10 kW is the same as the 12 kW I ...
By HCas , 1 day ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 1 day ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 1 day ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 1 day ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 2 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 2 days ago
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RE: Midea ASHP – how to set weather compensation
@cathoderay OK let's wait and see, it sounds an interes...
By Tasos , 2 days ago
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RE: What is the Heat Geek Guarantee?
@judith, I’m with you on Heat Geek, but there really do...
By Mars , 2 days ago
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RE: Electricity price predictions
Community energy installations are a great idea, but th...
By Scalextrix , 3 days ago