Velair Velair 21K BTU VSD Marine Air Conditioner Unit - Brushless, Variable Speed, Soft Start, Reverse - Cycle Heat MSRP: Price: 2099-12-31 $4,432.87 21K BTU VSD Marine Air Conditioner Unit - Brushless, Variable Speed, Soft Start, Reverse - Cycle HeatVelairs I-Line VSD series units feature built-in inversion technology for better efficiency, less... Add to Cart Add to Cart