Calculator Wattage Select Appliance Size Power in watts Hrs / day Total kWh Select AC, Window – 10k BTU AC, Window – 12k BTU AC, Window – 6.5k BTU Cell phone charger Clothes Dryer – Gas Clothes Dryer – Electric Coffee Maker Computer w/17 in. monitor De-Humidifier Dishwasher – Cool Dry Dishwasher – Hot Dry Electric Blanket Fan, Box Freezer Furnace Fan Blower – 1/2 hp Furnace Fan Blower – 1/3 hp Furnace Fan Blower – 1/3 hp Garage Door Opener, 1/4 HP Garage Door Opener, 1/3 HP Garage Door Opener, 1/2 HP Hair Dryer Heat Pump Heater, Electric Heater, Space Humidifier Laptop Lighting, CFL Lighting, Incandescent Lighting, LED Microwave Network Router Pump, Aquaponics Pump, Sump 1/3 HP Pump, Sump 1/3 HP Pump, Shallow Well – 1/3 hp 120V Pump, Shallow Well – 1/2 hp 120V Pump, Shallow Well – 1 hp 120V Pump, Shallow Well – 2 hp 120V Pump, Shallow Well – 3 hp 120V Radio, AM/FM Refrigerator / Freezer Refrigerator, compact Refrigerator, full size Security, 4-Camera System Stove, electric – 8 in. element Toaster Toaster Oven TV Select AC, Window – 10k BTU AC, Window – 12k BTU AC, Window – 6.5k BTU Cell phone charger Clothes Dryer – Gas Clothes Dryer – Electric Coffee Maker Computer w/17 in. monitor De-Humidifier Dishwasher – Cool Dry Dishwasher – Hot Dry Electric Blanket Fan, Box Freezer Furnace Fan Blower – 1/2 hp Furnace Fan Blower – 1/3 hp Furnace Fan Blower – 1/3 hp Garage Door Opener, 1/4 HP Garage Door Opener, 1/3 HP Garage Door Opener, 1/2 HP Hair Dryer Heat Pump Heater, Electric Heater, Space Humidifier Laptop Lighting, CFL Lighting, Incandescent Lighting, LED Microwave Network Router Pump, Aquaponics Pump, Sump 1/3 HP Pump, Sump 1/3 HP Pump, Shallow Well – 1/3 hp 120V Pump, Shallow Well – 1/2 hp 120V Pump, Shallow Well – 1 hp 120V Pump, Shallow Well – 2 hp 120V Pump, Shallow Well – 3 hp 120V Radio, AM/FM Refrigerator / Freezer Refrigerator, compact Refrigerator, full size Security, 4-Camera System Stove, electric – 8 in. element Toaster Toaster Oven TV Select AC, Window – 10k BTU AC, Window – 12k BTU AC, Window – 6.5k BTU Cell phone charger Clothes Dryer – Gas Clothes Dryer – Electric Coffee Maker Computer w/17 in. monitor De-Humidifier Dishwasher – Cool Dry Dishwasher – Hot Dry Electric Blanket Fan, Box Freezer Furnace Fan Blower – 1/2 hp Furnace Fan Blower – 1/3 hp Furnace Fan Blower – 1/3 hp Garage Door Opener, 1/4 HP Garage Door Opener, 1/3 HP Garage Door Opener, 1/2 HP Hair Dryer Heat Pump Heater, Electric Heater, Space Humidifier Laptop Lighting, CFL Lighting, Incandescent Lighting, LED Microwave Network Router Pump, Aquaponics Pump, Sump 1/3 HP Pump, Sump 1/3 HP Pump, Shallow Well – 1/3 hp 120V Pump, Shallow Well – 1/2 hp 120V Pump, Shallow Well – 1 hp 120V Pump, Shallow Well – 2 hp 120V Pump, Shallow Well – 3 hp 120V Radio, AM/FM Refrigerator / Freezer Refrigerator, compact Refrigerator, full size Security, 4-Camera System Stove, electric – 8 in. element Toaster Toaster Oven TV + Choose your location: Select State Select State AK AL AR AZ CA CO DC FL GA HI IA ID IL IN KN KY LA MA MD ME MI MN MO MS MT NB NC ND NJ NM NV NY OH OK OR PA RI SC SD TN TX UT VA WA WI WV WY Select City Select City Submit Recommended System Size