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Last seen: Aug 16, 2026
@transparent So my thinking was that the new inverter needed to be 3.68 kW to satisfy the DNO, but I guess if the SunSynk can be limited to whatever t...
@transparent so two of these might do :-)/p> Actually I was looking at a wind turbine before an extra battery but discounted it after looking at the...
@transparent OK, so am I actually going to need 3 inverters to achieve the charging of the battery from both arrays? Do you have any suggestions about...
@bretiix Some heatpumps (eg Samsung) can control the pump speed automatically via something called pulse width modulation. Im not sure if any other ma...
@transparent Yet another thing I forgot to mention 😁. The new panels are split 50:50 on East and West roofs Im away from home at the mome...
@transparent So doing a bit of further research, Ive come up with these options: 1. Add extra module to Huawei system, cost £2200, result 10 kWh 2...
@transparent LOL kV...Sorry Im reverting back to radiography mode! I do know the difference ...honest 🙂 No one has ever suggested that possibili...
@transparent OK, thats clear. I didnt pay a lot of attention to the details but I knew it was to prevent export from both the panels and the battery a...
@transparent Im not clear of the actual connections, I just know that the DNO would allow the batteries connected like this and not AC coupled as usua...
No suggestions for this? If we talk generally about LiFePO4 batteries and I wanted to get the most capacity I could without compromising the batteri...
@transparent Thanks for looking at all this, hope the floor went well. I neglected to mention that my battery is DC coupled, I hope that doesnt change...
@raiph Actually the 2 water law thing does make sense as the UFH would need different flow temps to the radiators and if there is no mixer valve then ...
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Degrees of Separation
Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Hi, sorry that I have been absent for a while. I'd like...
By baroquebank , 1 hour ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 5 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 1 day ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 1 day ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 1 day ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 1 day ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 3 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 3 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 4 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 5 days ago
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