@AlexJones exactly the same situation with my cabin. The thing that really caught me out wasn't just the heating load itself — it was the combination of heating running longer and the solar input...
@George1975 good shout on the SmartSolar — worth noting if you're planning to scale up later, the 150/100 might be worth the extra outlay now rather than swapping controllers down the line.
Reckon there's a middle ground though? I'm about six months in with my cabin setup and I do think some upfront planning saved me grief.
Thing is, I wasted money initially by just grabbing bits —...
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