to ensure the generator isn't constantly running at its limit. Typical Needs Recommended Size Recreation (Camping, tailgating, small tools) 1,000 – 3,000 Watts Home Essentials (Fridge, lights, sump pump, TV) 5,000 – 7,500 Watts Large Home Backup (Central AC, electric water heater) 10,000+ Watts 2. Choose Your Generator Type
Generators are sold by their power output in watts. You must identify two types of wattage for every device you plan to power:
: The extra "boost" required for motor-driven appliances (like fridges or AC units) to start up, which can be 2 to 3 times the running wattage. How to calculate total size: List all devices you need to run simultaneously. Add up all their Running Watts . buy portable generator
: If using gasoline, add a fuel stabilizer if you plan to store the fuel or the generator for more than a few months to prevent engine damage. Generator Buying Guide - Consumer Reports
: A push-button start is much easier than a pull-cord, especially in cold weather. to ensure the generator isn't constantly running at
Find the single on your list and add it to the total.
: Best for high-demand tasks like home backup or job sites. They provide more power for a lower upfront cost but are much louder (70-90+ dB) and heavier. You must identify two types of wattage for
Buying a portable generator is an investment in security and convenience. To find the right model, you must balance your total power needs against factors like fuel type, noise, and portability. 1. Calculate Your Wattage Needs