Appliance wattage chart
Running watts are what an appliance draws while it runs. Starting watts are the total it draws for a second or two when a motor starts, which can be 2–3 times as much. Ranges span the Honda and Champion charts; the planner defaults to the high end.
| Appliance | Running | Starting | Volts | Source |
|---|---|---|---|---|
| Refrigerator (full-size) | 132–400 W | 800–1,200 W | 120 | HONCHATGW |
| Freezer (chest or upright) | 100–500 W | 500–1,000 W | 120 | CHA |
| Mini fridge or cooler | 50–100 W | 400–600 W | 120 | CHA |
| Sump pump 1/3 HP | 500–800 W | 1,000–1,600 W | 120 | CHAHON |
| Sump pump 1/2 HP | 800–1,050 W | 1,300–2,150 W | 120 | CHAHON |
| Well pump 1/2 HP | 750–1,000 W | 1,500–2,000 W | 120/240 | CHA |
| Well pump 1 HP | 1,000–2,000 W | 2,000–4,000 W | 240 | CHA |
| Electric water heater | 3,000–4,500 W | 4,500 W (no motor) | 240 | HONCHA |
| Appliance | Running | Starting | Volts | Source |
|---|---|---|---|---|
| Furnace fan 1/8 HP (gas or oil) | 300 W | 500 W | 120 | HON |
| Furnace fan 1/6 HP (gas or oil) | 500 W | 750 W | 120 | HON |
| Furnace fan 1/4 HP (gas or oil) | 600 W | 1,000 W | 120 | HON |
| Furnace fan 1/3 HP (gas or oil) | 700 W | 1,400 W | 120 | HON |
| Furnace fan 1/2 HP (gas or oil) | 300–875 W | 800–2,350 W | 120 | HONCHA |
| Window air conditioner 5000 BTU | 450–600 W | 900–1,200 W | 120 | CHA |
| Window air conditioner 10000 BTU | 900–1,500 W | 1,800–2,400 W | 120 | HONCHA |
| Central air conditioner 2 ton | 2,000–2,500 W | 3,500–4,500 W | 240 | CHA |
| Central air conditioner 3 ton | 3,000–3,500 W | 5,000–6,000 W | 240 | CHA |
| Central air conditioner 4 ton | 4,000–5,000 W | 6,500–8,000 W | 240 | CHA |
| Electric space heater | 750–1,500 W | 1,500 W (no motor) | 120 | CHA |
| Radiant heater | 1,300 W | 1,300 W (no motor) | 120 | HON |
| Ceiling fan | 15–75 W | 75 W (no motor) | 120 | CHA |
| Box or window fan | 40–200 W | 120–200 W | 120 | CHAHON |
| Appliance | Running | Starting | Volts | Source |
|---|---|---|---|---|
| Microwave oven | 600–1,500 W | 1,500 W (no motor) | 120 | CHAHON |
| Coffee maker | 600–1,200 W | 1,200 W (no motor) | 120 | HONGEN |
| Toaster | 1,200 W | 1,200 W (no motor) | 120 | GEN |
| Electric range (one burner) | 1,200–2,400 W | 2,400 W (no motor) | 120/240 | CHAHON |
| Electric fry pan | 1,500 W | 1,500 W (no motor) | 120 | HON |
| Electric grill (tabletop) | 1,650 W | 1,650 W (no motor) | 120 | CHAHON |
| Slow cooker | 170–270 W | 270 W (no motor) | 120 | HONGEN |
| Blender | 300–600 W | 600–1,200 W | 120 | HONCHA |
| Air fryer · check your nameplate | 1,500 W | 1,500 W (no motor) | 120 | CHAPDF |
| Portable induction cooktop | 1,200–1,800 W | 1,800 W (no motor) | 120 | CHA |
| Electric smoker | 800–1,200 W | 1,200 W (no motor) | 120 | CHA |
| Dishwasher (cool dry cycle) | 216 W | 540 W | 120 | HON |
| Dishwasher (heated dry) | 1,200–2,400 W | 2,400 W (no motor) | 120 | CHA |
| Appliance | Running | Starting | Volts | Source |
|---|---|---|---|---|
| TV (flat screen 20 to 55 inch) | 80–400 W | 400 W (no motor) | 120 | CHAHON |
| Desktop computer | 600–800 W | 800 W (no motor) | 120 | HON |
| Laptop or phone charger | 20–250 W | 250 W (no motor) | 120 | CHAHON |
| LCD monitor | 30 W | 30 W (no motor) | 120 | HON |
| Printer | 400–600 W | 600 W (no motor) | 120 | HON |
| Wi-Fi router or modem | 10–20 W | 20 W (no motor) | 120 | CHA |
| Satellite receiver | 250 W | 250 W (no motor) | 120 | HON |
| Radio | 50–200 W | 200 W (no motor) | 120 | HON |
| Home security system | 15–40 W | 40 W (no motor) | 120 | CHA |
| Appliance | Running | Starting | Volts | Source |
|---|---|---|---|---|
| LED bulb (each) | 8–15 W | 15 W (no motor) | 120 | CHA |
| Appliance | Running | Starting | Volts | Source |
|---|---|---|---|---|
| RV air conditioner 11000 BTU | 1,010 W | 1,600 W | 120 | HON |
| RV air conditioner 13500 BTU | 1,500–2,000 W | 2,800–3,500 W | 120 | HONCHA |
| RV air conditioner 15000 BTU | 2,000–2,500 W | 3,300–4,500 W | 120 | HONCHA |
| RV refrigerator | 150–600 W | 400–1,000 W | 120 | HONCHA |
| RV microwave | 600–1,200 W | 1,200 W (no motor) | 120 | CHA |
| RV water heater (electric) | 1,200–1,500 W | 1,500 W (no motor) | 120 | CHA |
| String or LED camp lights | 50–200 W | 200 W (no motor) | 120 | CHA |
| Portable projector | 100–300 W | 300 W (no motor) | 120 | CHA |
| Appliance | Running | Starting | Volts | Source |
|---|---|---|---|---|
| Garage door opener | 720 W | 1,420 W | 120 | HON |
| Circular saw (7-1/4 in) | 1,200–1,800 W | 2,300–3,600 W | 120 | CHAHON |
| Table saw (10 in) | 1,800–3,000 W | 3,600–6,000 W | 120 | CHAHON |
| Miter saw (10 in) | 1,200–1,800 W | 2,400–3,600 W | 120 | CHA |
| Reciprocating saw | 960–1,200 W | 1,920–2,400 W | 120 | CHA |
| Angle grinder (4-1/2 in) | 900–1,800 W | 1,800–3,600 W | 120 | CHA |
| Electric drill (1/2 in) | 400–600 W | 800–1,200 W | 120 | CHAHON |
| Hammer drill | 900–1,200 W | 1,800–2,400 W | 120 | CHA |
| Belt sander | 800–1,200 W | 1,600–2,400 W | 120 | CHA |
| Air compressor 1/2 HP | 975 W | 1,600 W | 120 | HON |
| Air compressor 1 HP | 1,500–1,600 W | 4,500 W | 120 | CHAHON |
| Air compressor 2 HP | 2,500 W | 7,500 W | 240 | CHA |
| Air compressor 3 HP | 3,500 W | 10,500 W | 240 | CHA |
| Pressure washer 1500 PSI | 1,200–1,500 W | 2,400–3,000 W | 120 | CHA |
| Pressure washer 2500 PSI | 2,000–2,500 W | 4,000–5,000 W | 120 | CHA |
| Welder (120V) | 1,800–2,500 W | 3,600–5,000 W | 120 | CHA |
| Welder (240V) · check your nameplate | 3,000–8,000 W | 6,000–16,000 W | 240 | CHA |
| Work light (LED) | 15–25 W | 25 W (no motor) | 120 | CHA |
| Work light (halogen 500 W) | 500 W | 500 W (no motor) | 120 | CHA |
| Job-site heater | 1,500–3,000 W | 3,000 W (no motor) | 120 | CHA |
| Battery charger (heavy duty) | 1,500–2,000 W | 2,000 W (no motor) | 120 | CHA |
| Appliance | Running | Starting | Volts | Source |
|---|---|---|---|---|
| Motor 1/4 HP (capacitor-start capacitor-run) | 400 W | 850 W | 120 | HON |
| Motor 1/3 HP (capacitor-start capacitor-run) | 450 W | 975 W | 120 | HON |
| Motor 1/2 HP (capacitor-start capacitor-run) | 600 W | 1,300 W | 120 | HON |
| Motor 3/4 HP (capacitor-start capacitor-run) | 850 W | 1,900 W | 120/240 | HON |
| Motor 1 HP (capacitor-start capacitor-run) | 1,000 W | 2,300 W | 120/240 | HON |
| Motor 1.5 HP (capacitor-start capacitor-run) | 1,600 W | 3,200 W | 240 | HON |
| Motor 2 HP (capacitor-start capacitor-run) | 2,000 W | 3,900 W | 240 | HON |
Data last checked 2026-09-26. Sources and confidence levels. Plan with the backup power planner.