You can decide the size of the generator based on your power requirements. Consider whether you want to operate all the circuits in your home or just a few emergency circuits. Common appliances you’ll want to consider include refrigerators, lighting fixtures, washing machines, heating or cooling appliances, stovetops and ovens, and anything else you might use regularly or need in an emergency.
Refrigerator (700W) 5-10 lighting fixtures (250W) Laptop (200W) Smartphone charger (20W) Television (150W) Air conditioning unit (1,000W) Furnace (800W) Dishwasher (1,500W) Burner on electric stove (2,000W)[3] X Trustworthy Source Consumer Reports Nonprofit organization dedicated to consumer advocacy and product testing Go to source Oven (2,400W) Microwave (1,200W) Toaster (1,200W) WiFi Router (6W) Hair Dryer (1,500W)[4] X Research source Sump pump (1,300-2,150W) [5] X Research source If the wattage of the appliance is not listed, you can estimate it by multiplying the listed voltage (V) use by the listed amps (A)....