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Not to change subject too much, but this issue seems to be a short-term problem until manufacturers offer more DC refrigerators. If not for inverter inefficiency which can drop off significantly at low power, it seems that leaving the fridge running overnight would be just as efficient overall. Of course if you plan to run a generator in morning anyway, or are waiting for solar to kick-in in the morning, that's a different situation.
At Palm Beach RV Show a few weeks ago I saw a Norcold DC558 12/24 Volt DC small fridge that was rated at 42 Watts (3.2/1.6 Amps). It's too small for large motorhomes or trailers but seemed great for van-size campers/RVs.
A few companies have also announced DC residential-type RV-specific refrigerators that can run directly from batteries. And some are made to fit in same RV cabinet space while increasing fridge capacity.
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