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[0] PORTABLE GENERATOR [2] Can be moved from place to place No professional installation is needed [unless you want to connect it to the house wiring via a manual transfer panel and/or to an external fuel source] [3] Limited run time (less than a day before refueling) unless hooked up to an external fuel source Very noisy No auto start Requires maintenance Burns fuel even when it idles [4] Must be run outdoors only Potential fire and carbon monoxide hazard if used improperly [1] 
Runs on gasoline, diesel, propane, or natural gas (depending on the model) Power range: 500-17,500 W Gasoline models are good mainly for short-term outages Multi-fuel models running on LPG or NG may provide long-term power
Backup Power Systems for Homes
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