What Size Generator Do I Need for My RV?
If you’re shopping for a generator, one of the most important questions is: what size generator does your RV actually need?
Choosing the wrong size can lead to overloaded circuits, tripped breakers, or not having enough power to run essential appliances.
Understanding RV Power Needs
Your generator size depends on what you plan to run.
Common RV appliances:
- Air conditioner (largest load)
- Microwave
- Coffee maker
- Battery charger
- TV and electronics
Small Power Needs (1000–2000 Watts)
Good for:
- Lights
- Phone charging
- TVs and laptops
Not enough for:
- Air conditioners
Medium Power Needs (2000–3000 Watts)
Good for:
- Most RV appliances
- Microwave
- Coffee maker
May struggle with:
- Large air conditioners
Large Power Needs (3000–4500 Watts)
Required for:
- RV air conditioners
- Multiple appliances at once
Key Tip
Always consider starting watts, not just running watts. Air conditioners require extra power when starting.
Final Recommendation
- Small RV: 2000W generator
- Medium RV: 2500–3000W
- Large RV: 3500W+