4 window ACs and 1 split AC for sale. The window units are Class Pro brand, Extra dealer, with touch and remote control, and a feature to kill germs and viruses in the air. The split unit is Samsung brand. The split unit has a cooling capacity of 21,400 BTU. The window units have a cooling capacity of 17,200 BTU. The ACs have been used for less than a year and a half by a couple and one child only. All are new, I bought them from Extra and the invoices are available. The window units are hot and cold for winter and summer. The split unit is cold only. The split unit is 1700. The window units are 800.