Ductless Split Systems provide quiet and efficient cooling in places you never thought you'd be able to cool.  Installation is simple.  Holohan Heating and Sheetmetal will install the system quickly and professionally.  One three-inch wall opening is all that is needed to connect the main unit outside to the cooling unit inside.  There is no ductwork, no window obstruction, and no noise.  Advanced computer controls reduce energy consumption while maintaining a comfortable room temperature.  Ductless Split Systems also feature optional lo-ambient operating controls providing year-round cooling for commercial / industrial applications like computer and control rooms.  Ductless Split Systems are a cool solution to any problem area.