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Typical Loads for Residential Off-Grid Solar Design

Appliance

Watts

Surge

Hours/Mo

Hours/Day

Air Conditioner (Room) 6,000 BTU

750

1300

120 – 360

3 – 18.3

Air Conditioner (Central) 2.5 Tons

3500

7000

240 -540

0.3 - 1.6

AV Rack

4500

4500

360--720

12--24

Ceiling Fan

65

65

15 – 730

0.3 - 1.6

Clock

5

5

730

1.3

Clothes Dryer

3000

4500

6 – 28

0.6 - 2.8

Clothes Washer, Automatic (With Electric Water Heating)

1800

3600

7 -40

0.4 - 2.4

Clothes Washer, Automatic (With Non-Electric Water Heating)

500

1000

7 – 47

0.1 - 0.6

Coffee Maker

900

900

4 – 30

0.1 - 0.9

Computer (Monitor & Printer)

200

200

25 – 160

0.2 - 1.1

Crock Pot

250

250

8 – 24

0.1 - 0.2

Dehumidifier

350

500

120 – 730

1.4 - 8.5

Dishwasher (With Electric Water Heating)

1500

3000

8 – 40

0.4 - 2

Electric Blanket

180

180

30 – 90

0.2 – 0.5

Electric Heater (Portable)

1200

1200

30 – 90

1.2 – 3.6

Front Gates (single)

30

80

1 - 1.2

0.02 - 0.1

Front Gates (double)

60

160

1 - 1.2

0.02 - 0.1

Food Blender

390

390

3 – 5

0.03 – 0.07

Food Freezer (15 cu. Ft.)

335

700

180 – 420

2 – 4.7

Furnace Fan Blower 1/2 hp

800

2350

160 – 415

1.9 – 4.8

Furnace Fan Blower 1/3 hp

700

1400

730

8.5 – 0

Garage Door opener

650

1200

1 - 1.2

0.02 - 0.1

Hair Dryer

1200

1200

15 – 30

0.03 – 0.07

Heating Pad

80

80

250 – 500

1.7 – 3.3

Heat Pump

4700

10000

150-360

23.5 – 56.4

Humidifier (13 Gal)

175

175

80 – 540

0.3 – 1.8

Iron (Hand)

1000

1000

1 – 10

0.03 – 0.3

LED lighting (per bulb)

10

10

6-195

0.03 - 1.2

LED Fixtures (4 ft fixture)

30

30

6-195

0.03-1.2

Lighting Single Lamp (60W)

60

60

17 – 200

0.03 – 0.4

Compact Fluorescent (60W Equiv)

18

18

17 – 200

0.1 – 0.1

Ceiling Fixture (3 bulbs)

180

180

6 – 195

0.03 – 1.2

Table Lamp

100

100

10 – 200

0.03 – 0.7

Fluorescent (2 Tube 4 ft)

100

125

10 -200

0.03 – 0.7

Microwave Oven

1000

1000

5 – 30

0.2 – 1

Minisplit AC

2000

5000

90 – 120

7.5 – 8

Minisplit Heat

2500

6000

90 – 120

7.5 – 8

Range (Electric)

1300

1300

10 – 50

4.2 – 20.8

Range (Self Cleaning Cycle Only)

3200

3200

1

0.1 – 0

Refrigerator – Freezer Frost Free (17 cu. Ft.)

400

1200

150 – 300

5 – 5

Sump Pump at 1/2 hp

1000

2200

90-150

3 – 5

Sump Pump at 1/3 hp

800

1300

90-150

3 – 5

Television

400

400

30-60

0.4 – 0.8

 

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