Air Conditioner

Air Conditioner - Central Unit

Typical Energy Input Approximate Cost for Normal Use
Efficiency Rating (SEER)
7.0 17¼¢ per ton per hour
9.0 13¼¢ per ton per hour
10.0 12¢ per ton per hour
11.0 10¾¢ per ton per hour
12.0 9¾¢ per ton per hour
13.0 9¢ per ton per hour
14.0 8½¢ per ton per hour

Air Conditioner - Room Unit

Capacity (Btu/hr) Efficiency
Rating (EER)		 Usage Cost
6,000   (½ Ton) 7.0 857 Watts 8½¢ per hour
8.5 706 Watts 7¢ per hour
10.0 600 Watts 6¢ per hour
9,000     (¾ Ton) 7.0 1286 Watts 12½¢ per hour
8.5 1059 Watts 10½¢ per hour
10.0 900 Watts 8¾¢ per hour
11.0 818 Watts 8¢ per hour
12.0 750 Watts 7¼¢ per hour
12,000   (1 Ton) 7.0 1714 Watts 16¾¢ per hour
8.5 1412 Watts 13¾¢ per hour
10.0 1200 Watts 11¾¢ per hour
18,000 (1½ Ton) 7.0 2571 Watts 25¢ per hour
8.5 2118 Watts 20¾¢ per hour
10.0 1800 Watts 17¾¢ per hour
24,000 (2 Ton) 7.0 3429 Watts 34¢ per hour
8.5 2824 Watts 28¢ per hour
10.0 2400 Watts 23½¢ per hour