Usage and Safety 
food refrigeration

Refrigeration


Wattage

Estimated
Monthly Hours

Energy Use
kwh/month

Cost/Month
@ 11 cents/kwh

 Newer Units*

 

 

 

 

Chest Freezer (manual defrost), 16 cu.ft.

 120

288 

 35

 $3.85

Upright Freezer (frost-free), 18-20 cu.ft.

 280

 324

 91

 $10.01

Compact Refrigerator, less than 2 cu.ft.

 150

 324

 49

 $5.39

Top-Mount Freezer (manual defrost), 10 cu.ft.

 230

 274

 63

 $6.93

Top-Mount Freezer (frost-free), 18-20 cu.ft.

 330

 288

 95

 $10.45

Top-Mount Freezer (frost-free), 24-26 cu.ft.

 370

 288

 107

 $11.77

Bottom-Mount Freezer (frost-free), 20-22 cu.ft.

 370

 288

 107

 $11.77

Side-by-Side (frost-free), 22-24 cu.ft.

 360

 324

 117

 $12.87

Side-by-Side (frost-free), 28-30 cu.ft.

 400

 324

 130

 $14.30

 Older Units*

 

 

 

 

Chest Freezer (manual defrost), 16 cu.ft.

 750

 288

 216

 $23.76

Upright Freezer (frost-free), 18-20 cu.ft.

 1,630

 324

 528

 $58.08

Compact Refrigerator, less than 2 cu.ft.

 280

 324

 91

 $10.01

Top-Mount Freezer (manual defrost), 10 cu.ft.

 580

 274

 159

 $17.49

Top-Mount Freezer (frost-free), 18-20 cu.ft.

 1,050

 288

 302

 $33.22

Top-Mount Freezer (frost-free), 24-26 cu.ft.

 1,220

 288

 351

 $38.61

Bottom-Mount Freezer (frost-free), 20-22 cu.ft.

 1,100

 288

 317

 $34.87

Side-by-Side (frost-free), 22-24 cu.ft.

 1,060

 324

 343

 $37.73

Side-by-Side (frost-free), 28-30 cu.ft.

 1,230

 324

 399

 $43.89

 

KEY
* Increased energy efficiency standards for refrigerators and freezers were implemented in 1990, 1993 and 2001. Add 10% to 15% to operating cost for models with through-the-door ice and water service.