No, Snomaster is grossly overrated and not energy efficient.
Engel is really the one.
ARB or National Luna.
Actually Indel-B is OK, makes Evakool, Truckfridge, Isotherm, Vitrifrigo, Tundra, OEM for Peterbilt & Kenworth
Ironman 4x4 has great service.
After that might as well go Dometic / Waeco