These units tend to cost less than home standby generators. They typically run on gasoline that you may need to store in large quantities. Stabilizer must be added to your fuel for prolonged storage.

Because their engines are more complex, these models generally cost more than portable generators of a comparable output.

These units cost more money and should be installed by a pro (so factor in labor costs). An experienced electrician can help with town or municipal permits, noise restrictions, and proper location.

These are powered by an included solar panel or a battery that you can charge by plugging into an electrical outlet. As with a small inverter generator, these are best for cases in which you know you won’t need power for long.