This table provides a quick reference to help estimate the appropriate size of portable generator needed for common appliances and trailer setups. By comparing the running and starting wattage requirements of your devices, you can make an informed decision about which generator may suit your needs. Please note that actual requirements can vary based on your specific equipment and usage.
Legal Disclaimer
This chart is for general reference only and does not constitute professional advice. Generator sizing should be confirmed by a qualified electrician or RV technician to ensure safe and proper operation for your unique setup. Always consult a professional before making any purchase or installation decisions.
Safety Notice
Portable generators must always be operated in a well-ventilated outdoor area, never inside a trailer or enclosed space. Ensure that no windows or doors near the generator are open, and always verify that your carbon monoxide (CO) detector is functioning properly before use. Improper use of generators can result in serious injury or death from carbon monoxide poisoning, fire, or electrical hazards. Follow all manufacturer safety instructions and local regulations.
| Appliance | Wattage (Running) estimated | Wattage (Starting) estimated |
|---|---|---|
| Air Conditioner (13,500 BTU) | 1600 | 2800 |
| Microwave (1000W) | 1000 | 1000 |
| Electric Fireplace | 1500 | 1500 |
| Converter/Charger | 300 | 300 |
| Television | 150 | 150 |
| Refrigerator | 180 | 600 |
| Coffee Maker | 900 | 900 |
| Toaster | 1200 | 1200 |
| Hair Dryer | 1500 | 1500 |
| Water Heater (Electric) | 1400 | 1400 |
| Space Heater | 1500 | 1500 |
| Washer | 500 | 1200 |
| Laptop | 60 | 60 |
| Lights (LED) | 100 | 100 |
| Suggested generator size that will handle 30 amp service. | 3,600 Watts | 4,500 Watts |
| Suggested generator size that will handle 50 amp service. | 12,000 Watts | 15,000 Watts |
