Increasing energy prices, tighter energy efficiency legislation, and interest in energy conservation have created a strong demand for efficient refrigerated appliances. In response, suppliers have started to offer a range of solutions to save energy in applications such as refrigerated display cases, bottle coolers, walk-in coolers, and refrigerated vending machines. Possibly the easiest and most widely adopted energy-efficiency improvement is the substitution of electronically commutated (ECM) evaporator and condenser fan motors for their wasteful traditional motor counterparts. …More