Frigomar Marine Refrigerationand Airconditioning Systems

Air Conditioners Chiller Systems Fridges Freezers Coolers

Low-Energy, Low-Lifetime Cost, High-Speed Cooling, High Reliability

Frigomar's Inverter Brushless DC Technology is used to control the speed of the compressor motor to allow continuously regulated temperatures. By contrast, traditional air conditioners regulate temperature by using a compressor that is periodically either working at maximum capacity or completely switched off. The inverter air conditioner is equipped with a variable frequency driven brushless DC compressor that incorporates an adjustable electrical inverter to control the speed of the motor and thus the compressor and cooling output. Eliminating stop-start cycles considerably increases the energy efficiency, extends the life of components and eliminates sharp fluctuations on water temperature and power supply. By using the Inverter Brushless DC Air conditioner it is possible to reduce the size of the on-board power generator.

Energy saving (-45% in average electrical energy consumption).

After the water temperature approaches the set temperature, Inverter Control adjusts to low capacity operation to maintain this temperature. Variable capacity operation together with brushless DC motor higher efficiency make inverter air conditioning more energy-saving than non-inverter models, which must repeatedly start or stop their compressors at considerable energy cost.

Smooth starting (No pick-up current at start)

The starting ramp is set at very low frequency (20 Hz) allowing very low starting torque and starting current, far below the nominal value. The max starting current is 2 A, while for the equivalent traditional air conditioner the max starting current is 60-70 A, even with soft starting devices.


Inverter air conditioning operates at maximum capacity after the start up phase. As a result, the set temperature is reached more quickly.


Inverter air conditioning finely adjusts capacity according to changes in the air-conditioning load and the difference between the water temperature and set temperature is very small. This gives much higher comfort levels than with non-inverter air conditioners. Thanks to brushless DC motors and sound shields the operation noise is very low.

Variable Capacity Operation (ECO function)

Inverter air conditioning is able to vary its operating capacity. Non-inverter air conditioners can only operate at a fixed capacity. ECO function is available on inverter air conditioning, to further reduce power supply whenever other electrical appliances are being used in the same time.


Brushless DC motor together with variable capacity operation allow a much longer compressor lifetime than non-inverter models, which must repeatedly start or stop their compressors during operation, thus stressing motor coils.