Home Slickdeals Costway 18000 BTU Mini Split Air Conditioner w/ 19 SEER 2 Heater... Slickdeals Costway 18000 BTU Mini Split Air Conditioner w/ 19 SEER 2 Heater $605 + Free Shipping By ARCOM - 8 May 2023 26 0 SHARE Facebook Twitter Go to the deal page: Costway 18000 BTU Mini Split Air Conditioner w/ 19 SEER 2 Heater $605 + Free Shipping