ECplus Motor Energy Savings

Refrigeration alone accounts for over 35% of the energy consumed in a typical supermarket, It has become the object of increasingly stringent legislation targeting the vast energy saving potential of commercial refrigerators and freezers. This has resulted in Supermarket Procurement Departments specifying that all new & retrofitted commercial refrigerators and freezers are fitted with electronically commutated motors.

A typical American supermarket has about 400 shaded pole motors in commercial refrigerators and freezers running 100% of the time.

The efficiency rate of these motors is in the order of 15%. This means that 85% of their energy consumption is transferred as waste heat into the environment, and has to be removed or cooled down again by the refrigeration and air conditioning system, causing additional consumption of energy.

The ECplus™ motor has efficiency rates up to 70%. This dramatically reduces the direct energy consumption, and yields additional energy savings by producing minimal waste heat.

The ECplus™ motor allows supermarkets to significantly reduce their environmental impact.

The high energy savings generated by the ECplus™ equate to short payback periods (usually 3-6 months) allowing a supermarket operator to lower their financial costs, while preserving energy.

ECplus Motor - Energy Saving Chart

ECplus™ vs. Shaded Pole Motor
(Estimated Annual Electricity Cost)

Supermarket Commercial Refrigerators = Compressor savings included – price based on electricity at US$ 0.12/kWh
Payback time in energy saving is 4 months

Walk in Coolers = Condenser unit savings included – price based on electricity at US$ 0.12/kWh
Payback time in energy saving is 4.3 months


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