Gasoline, diesel, natural gas, and propane are the four most common types of generator fuels used today. While you may have heard about bio diesel fuels, they are not widely used in generators just yet, though they may become more widely used in the future.

Homeowners can often power most household appliances using between 3000 and 6500 watts. If your home has a smaller furnace and city water, you can generally expect that 3000 to 5000 watts will cover your needs. If you have a larger furnace and or a well pump, you will likely need a 5000 to 6500 watt generator