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JamesPa
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: May 17, 2026
Topics: 23 / Replies: 4844
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please

Consumption is determined principally by house loss! 200kWh at a COP of 2, which is very low, means the house loss is 16kW. At a more reasonable COP...

4 months ago
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RE: Increasing Room Temperature: Radiator Sizing Rule of Thumb Needed

Maybe mark where it was before you fiddle. However if it is the index rad/circuit the LSV should already be fully open otherwise you are unnecessaril...

4 months ago
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RE: Recommended home battery inverters + regulatory matters - help requested

Not to me I must say. Whats the additional risk exactly that is not covered by a label. In the setup I am proposing (as shown in the diagram I ...

4 months ago
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RE: Increasing Room Temperature: Radiator Sizing Rule of Thumb Needed

I'm presuming the lsv on this rad is open (or if not you tried that and it caused a problem elsewhere) Good luck, maintaining temperature difference...

4 months ago
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RE: Increasing Room Temperature: Radiator Sizing Rule of Thumb Needed

Just one thought if you are cutting it that fine. Do you keep the door closed? If not you may struggle to sustain the difference without the rad be...

4 months ago
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RE: Recommended home battery inverters + regulatory matters - help requested

Ok that makes sense technically, but it would be pretty six sigma stupidity to be working on the system internals when the grid has gone off and you h...

4 months ago
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RE: Recommended home battery inverters + regulatory matters - help requested

Yes probably. I must say I don't much care for the Solis instruction manual which does concern me, the Sunsynk one is much better. On the other hand...

4 months ago
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RE: Electricity price predictions

At least in part because our gas is half the price that it is in many mainland european countries. Check it out! The 'problem' is, at least arguably...

4 months ago
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RE: Recommended home battery inverters + regulatory matters - help requested

Thanks, I was beginning to conclude that would be the case.   Sorry but I dont understand this comment, can you clarify. The changeover...

4 months ago
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RE: Increasing Room Temperature: Radiator Sizing Rule of Thumb Needed

Heat loss is proportional to Inside Temp - Outside Temp, its that simple if you ignore heat transfer from/to surrounding rooms. So if you design temp...

4 months ago
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RE: Volumiser required on Grant R290?

Closing blinds/curtains is another option, standard practice in sunny countries.

4 months ago
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RE: Recommended home battery inverters + regulatory matters - help requested

Thanks for all the help so far. Based on all the discussions here is my latest iteration for a system which I think would work with Solis inverter an...

4 months ago
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