The installation was $400 and I had to hire an electrician to run a 220 line from my house over to the mixroom building (I'm building a second mix room at my house for when my studio is rented out and I need to get something done ASAP). The 220 line was another $380. A?C unit with heat is around $1049 I believe. Here is their website:
Harbor Point, Ductless Wall / Mini Split, Portable, PTAC Air Conditioners (Powered by CubeCart)