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Last seen: Oct 12, 2024
A second reference,page 29, recommends a maximum speed of 1 m/s. Graham Hendra's book "50 things heating professionals need to know about Heatpumps" s...
It is a rule of thumb to keep water flow within reasonable limits (not making too much noise or eroding the pipe). I am struggling to find references ...
It seems a bit strange that the customer has to supply these. Surely the installer should have seen and copied these; their audit success should not b...
And one which pays for scaffolding to access the faulty equipment! Having said that, some SolarEdge installers place the optimizer in the loft space;a...
From a grid perspective I would think that using all three phases equally would be the best, especially when adding large loads like an EV charger and...
To be fair, hybrid inverters can offer this, and without locking you into a single battery supplier. AIO systems are hybrid inverters and batteries in...
At the risk of not answering the question asked, what is the power output of the proposed heat pump, and how far is it between the external and intern...
That makes life a lot easier! I still think that modelling the roof and shading is the only way to assess whether micro-inverters or optimisers are ...
By way of contrast, seefor a 300kWh battery (88kVA in/out) made out of 4 re-used Tesla battery packs. 2.5m * 1.9m * 1.9m and 3 tonnes, so a little awk...
What would be the purpose of this new PV array (e.g. trying to extend the time where the heat pump can be run off solar, or maximise income from an ex...
So I was exploring options for installation, and why, for instance, a purely battery storage option did not result in SEG payments. After all, time-sh...
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Degrees of Separation
Latest Posts
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RE: Nook batteries from Octopus
I'm not sure legislation currently allows for plug-in b...
By Old_Scientist , 2 hours ago
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RE: Four Heat Loss Surveys, Four Different Answers. How Do I Choose the Right Heat Pump Size?
...And If the flow is the same both sides the buffer/ll...
By JamesPa , 4 hours ago
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RE: Plug and play solar. Thoughts?
Ah ok, perhaps an expert will need to wire it? Or do...
By Batpred , 16 hours ago
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RE: Adding additional Solar Panels to a DC coupled battery system
This might be escalating a bit. Ive managed to source a...
By bontwoody , 22 hours ago
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Yes you can do that, you can also send the water first ...
By bobflux , 22 hours ago
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RE: vaillant arotherm plus - Failure - DHW
Yes have checked the outside unit is on and has 253 vol...
By trebor12345 , 24 hours ago
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RE: Electricity price predictions
That's largely, I believe, because all the others are d...
By Majordennisbloodnok , 1 day ago
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RE: GivEnergy inverter tripping due to over-voltage?
Almost 2 weeks since the phase change and we have had z...
By Tim441 , 1 day ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@batpred not yet. It will be the plus.
By avenir , 1 day ago
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@jamespa yes, the arotherm pro 5kw and 7kw are now conn...
By Batpred , 3 days ago
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RE: Indevolt Batteries UK Support & Info Thread
I have spoken to a SunSynk Director (from South Africa)...
By Transparent , 3 days ago
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RE: Renewables & Heat Pumps in the News
I agree, my point is I have seen cases where the bc ins...
By Batpred , 3 days ago
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