... 2. Efficiency rate of up to 70% - results in cooler motor operation3. Thermoplastic motor housing, Class IP65 certified4. Maintenance- ... , ECM motors are found in commercial refrigerators and freezers, beverage merchandisers, vending machines, air conditioners, and many other air ... sensors, pressure sensors and EC control software, etc. Coke beverage cooler energy saving ECM motor 115V UL approvals