OffGridOliver

Two years is a solid data set — thanks for posting this. I just crossed 14 months on a similar setup (single 12k BTU Senville Leto in a 400 sq ft workshop, 24V/400Ah LFP bank + 800W solar). The inverter sizing question you raised is real. I originally had a 2000W pure sine and the startup surge was tripping it on cold days — compressors need headroom. Moved up to a 3000W Victron and haven't had a single trip since. One thing I'd add: if you're in a climate with hard winters, a low-ambient kit is worth the extra $150. Mine handles down to -15°F without issue.