Has anyone researched true since wave inverters in 1500 watt steady state/ 3000 peak as to which is the best and what they cost?

FYI, a 20 cu ft 3 year old frig startup surge is 15 A for about one second, 30 seconds later another surge at 10 A for about a second again, then 2 A steady state draw (all at 115V).

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85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked