*Wattage and hours of run time for refrigerators and freezers vary widely due to age, location, frequency of maintenance, and their energy efficiency rating. A refrigerator or freezer located in a garage can use up to three times more energy.
Home Entertainment
Average Watts
Hours per Month
Kilowatt-hours per Month
Television – Plasma
328
240
79
Television – Rear-projection
208
240
50
Television – LCD
193
240
46
Television – CRT (Conventional Picture Tube)
146
240
35
Personal Computer (6 hours per day)
250
180
45
General Household
Average Watts
Hours per Month
Kilowatt-hours per Month
Water Heater (personal use only) – 3 people at 1350 gallons per month *Add 90 kilowatts for each additional person
4,500
–
374
Clothes Dryer (5 loads per week)
5,000
20
100
Clothes Washer (5 loads per week) – Cold/Cold setting
500
20
10
Clothes Washer (5 loads per week) – Warm/Warm setting
5,000
20
70
Vacuum cleaner
630
6
3.8
Heating & Cooling
Average Watts
Hours per Month
Kilowatt-hours per Month
Air Conditioner (central AC type, 8 hours per day) – 2 tons (13 Seasonal Energy Efficiency Rating (SEER))
1,850
240
444
Air Conditioner (central AC type, 8 hours per day) – 3 tons (13 SEER)
2,770
240
665
Air Conditioner (central AC type, 8 hours per day) – 3 tons (13 SEER)
3,690
240
886
Air Conditioning (window type, 8 hours per day) – 6,000 British Thermal Units (BTU) per hour
800
240
192
Air Conditioning (window type, 8 hours per day) – 10,000 BTU per hour
1,350
240
324
Air Conditioning (window type, 8 hours per day) – 12,000 BTU per hour