Masterflux compressors are unlike any other on the market today, offering direct DC, variable-capacity, compact, highly efficient, and rugged solutions. When your cooling and refrigeration requirement extends beyond the ordinary, look to Masterflux. Masterflux compressors, utilize Brushless DC ( BLDC ) motor technology. DC compressors operate in conditions where battery, wind or solar power are available as direct current electrical sources, and minimize loss of electricy.