Order to sell, exchange old air conditioners. Has arrived: Nikai Split Inverter AC, 18,000 BTU, Cold Power, Pay 18100, Model-NSAC18136c26NANV Has arrived: Nikai Split Inverter AC, 24,000 BTU, Cold Power, Pay 22100, Model-NSAC24136c26NANV Has arrived: Nikai Split Inverter AC, 12,000 BTU, Cold Power, Pay 12100, Model-NSAC12136c26NANV