WA-6011S: 6,000BTU window AC with Energy Star $229.00 WA-8011S: 8,000BTU Window AC with Energy Star $290.00 WA-1011S: 10,000BTU Window AC with Energy Star $345.00 WA-1211S: 12,000BTU Window AC with Energy Star $385.00 WA-1511S: 15,000BTU Window/Wall AC with Energy Star $539.00 WA-1811S: 18,500BTU Window/Wall AC with Energy Star $585.00 WA-2211S: 22,000BTU Window/Wall AC with Energy Star $619.00 WA-2511S: 25,000BTU Window/Wall AC with Energy Star $650.00 Replacement Parts for Window AC