Power Consumption of Household Appliances
Are you looking for a backup generator for your household? Then you need to know how much power you will need. That is why we have decided to create this list of rough estimates of wattage consumption of most common household appliances that people want to keep running at all costs.
We hope these tables & charts will help you to better estimate how big and powerful generator you will need as a backup source of power. Don’t forget to inspect each appliance / power tool in your home individually to see the precise wattage consumption.
Our data is gathered from reputable government websites and most popular generator manufacturers like Honda, Generac or Yamaha. Let’s check out our electrical appliances power consumption table below:
Essential Appliances
Estimated wattage
| Household Appliances | Rated (Running) Watts | Additional Surge Watts |
|---|---|---|
| Evaporative AC | 2,600 W | 0 W |
| Heat Pump | 4,700 W | 4,500 W |
| Humidifier (13 Gal.) | 175 W | 0 W |
| Electric Water Heater | 4,000 W | 0 W |
| Well Water Pump (1/2 HP) | 1,000 W | 2,100 W |
| Window AC (10,000 BTU) | 1,200 W | 3,600 W |
| Window AC (12,000 BTU) | 3,250 W | 9,750 W |
| Central AC (10,000 BTU) | 1,500 W | 4,500 W |
| Central AC (24,000 BTU) | 3,800 W | 11,400 W |
| Sump Pump (1/3 HP) | 800 W | 1,300 W |
| Sump Pump (1/2 HP) | 1,050 W | 2,150 W |
| Furnace Fan Blower (1/3 HP) | 700 W | 1,400 W |
| Furnace Fan Blower (1/2 HP) | 800 W | 2,350 W |
| Garage Door Opener (1/2 HP) | 875 W | 2,350 W |
| Light Bulb (Common) | 75 W | 0 W |
| Space Heater | 1,800 W | 0 W |
| Ceiling Fan | 60 W | 70 W |
| Dehumidifier | 240 W | 0 W |
| Tube Light (1500mm) | 22 W | 0 W |
| Night Light | 1 W | 0 W |
| Electric Heater (Fan) | 2,000 W | 1,000 W |
| Electric Thermal Radiator | 500 W | 0 W |
| Light Bulb (LED) | 9 W | 0 W |
| Electric Water Heater (Tankless) | 6,600 W | 2,200 W |
| Electric Water Heater (Immersion) | 3,000 W | 0 W |
| Oversink Water Heater (Hand Wash) | 3,000 W | 0 W |
| Central AC (40,000 BTU) | 6,000 W | 6,700 W |
Kitchen Appliances
Estimated wattage
| Household Appliances | Rated (Running) Watts | Additional Surge Watts |
|---|---|---|
| Toaster | 850 W | 0 W |
| Microwave | 1,000 W | 0 W |
| Refrigerator / Freezer | 700 W | 2,200 W |
| Coffee Maker | 1,000 W | 0 W |
| Electric Stove (8" Element) | 2,100 W | 0 W |
| Wine Cooler (18 Bottles) | 83 W | 0 W |
| Deep Freezer | 500 W | 1,500 W |
| Electric Can Opener | 170 W | 0 W |
| Dishwasher | 1,500 W | 1,500 W |
| Food Processor/Blender | 400 W | 0 W |
| Electric Kettle | 1,200 W | 3,000 W |
| Food Dehydrator | 800 W | 0 W |
| Fryer | 1,000 W | 0 W |
| Pressure Cooker | 700 W | 0 W |
| Rice Cooker | 200 W | 500 W |
| Slow Cooker | 160 W | 20 W |
| Steriliser | 650 W | 0 W |
| Water Dispenser | 100 W | 0 W |
| Sandwich Maker | 700 W | 300 W |
| Percolator | 800 W | 300 W |
| Electric Oven | 2,150 W | 0 W |
| Espresso Coffee Machine | 1,300 W | 200 W |
| Induction Hob (Per Hob) | 1,400 W | 400 W |
| Cooker Hood | 20 W | 10 W |
| Air Fryer | 1,500 W | 0 W |
| Water Filter & Cooler | 70 W | 30 W |
| Hot Water Dispenser | 1,200 W | 100 W |
| Side-by-Side Fridge | 800 W | 1,200 W |
| Modern Fridge (2001-2020) | 400 W | 600 W |
| Smart Fridge | 500 W | 750 W |
Laundry Appliances
Estimated wattage
| Household Appliances | Rated (Running) Watts | Additional Surge Watts |
|---|---|---|
| Clothes Dryer (Gas) | 700 W | 1,800 W |
| Clothes Dryer (Electric) | 5,400 W | 6,750 W |
| Hair Dryer | 1,250 W | 0 W |
| Iron | 1,200 W | 0 W |
| Washing Machine | 1,150 W | 2,250 W |
| Curling Iron | 1,500 W | 0 W |
| Electric Shaver | 15 W | 20 W |
| Vacuum Cleaner | 200 W | 200 W |
| Bathroom Towel Heater | 60 W | 90 W |
| Extractor Fan | 12 W | 0 W |
| Electric Shaver | 15 W | 5 W |
| Heated Bathroom Mirror | 50 W | 50 W |
| Steam Iron | 2,200 W | 300 W |
| Straightening Iron | 75 W | 300 W |
| Power Shower | 7,500 W | 10,500 W |
Entertainment Appliances
Estimated wattage
| Household Appliances | Rated (Running) Watts | Additional Surge Watts |
|---|---|---|
| Laptop | 300 W | 0 W |
| Stereo | 450 W | 0 W |
| Television (22" LED) | 17 W | 0 W |
| Television (49" LED) | 85 W | 0 W |
| Television (82" LED) | 230 W | 65 W |
| Television (CRT) | 500 W | 0 W |
| VCR / DVD Player | 100 W | 0 W |
| Video Game System | 40 W | 0 W |
| Monitor | 200 - 250 W | 0 W |
| Home Internet Router | 5 W | 15 W |
| Home Phone | 3 W | 5 W |
| Playstation 4 | 85 W | 5 W |
| Nintendo Switch AC Adapter | 7 W | 33 W |
| Amazon Echo | 3 W | 0 W |
| Amazon Echo Show | 2 W | 2 W |
| Apple TV | 3 W | 3 W |
| Computer Monitor | 25 W | 5 W |
| Desktop Computer | 100 W | 350 W |
| Xbox One | 50 W | 60 W |
| Mi Box | 5 W | 2 W |
| Set Top Box | 27 W | 3 W |
| Home Sound System | 95 W | 0 W |
| Guitar Amplifier | 20 W | 10 W |
| AV Receiver | 450 W | 0 W |
Other Appliances
Estimated wattage
| Household Appliances | Rated (Running) Watts | Additional Surge Watts |
|---|---|---|
| Clock Radio | 50 - 200 W | 0 W |
| Fax | 60 - 80 W | 0 W |
| Printer (Laser) | 600 W | 200 W |
| Printer (Inkjet) | 20 W | 10 W |
| Security System | 500 W | 0 W |
| Garage Door Opener (1/2 HP) | 875 W | 2,350 W |
| Copy Machine | 1,600 W | 0 W |
| Cell Phone Battery Charger | 25 W | 0 W |
| Outdoor Light String | 250 W | 0 W |
| Electric Mower | 1,500 W | 0 W |
| Paper Shredder | 200 W | 220 W |
| Projector | 220 W | 270 W |
| Scanner | 10 W | 18 W |
| Electric Strimmer | 300 W | 500 W |
| Treadmill | 280 W | 900 W |
| Tablet Charger | 10 W | 5 W |
| Sewing Machine | 70 W | 10 W |
| Air Purifier | 25 W | 5 W |
| DAB Mains Radio | 5 W | 4 W |
| EV Home Charger | 1,600 W | 1,800 W |
| Electric Blanket | 200 W | 0 W |
| Electric Doorbell Transformer | 2 W | 0 W |
| Water Feature | 35 W | 0 W |
| Fan (Pedestal) | 50 W | 10 W |
| Fan (Table) | 10 W | 15 W |
| Fan (Wall) | 45 W | 15 W |
| 2-Way Radio (12A) | 360 W | 0 W |
| 2-Way Radio (23A) | 840 W | 0 W |
| 2-Way Radio (35A) | 960 W | 0 W |
Looking for More Appliances & Their Wattage Usage?
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About the author
Matthew
handyman, loves science
Hands behind everything you see around. Matthew is the ultimate handyman. He is the expert to all things related to generators.
When he compares the machines, he uses his comprehensive research skills combined with attention to details. If you need to pick new generator, he is your man.