Whole-home generators cost $5,000 to $15,000 installed with an automatic transfer switch. Portable generators cost $500 to $2,000 but require manual setup. Worth it for areas with frequent outages, medical equipment needs, or extreme weather concerns.
Whole-Home vs Portable
Whole-home: automatic, covers entire house, $5K-$15K. Portable: manual, partial coverage, $500-$2K.
Installation
Professional installation required. Includes transfer switch, gas line, and concrete pad.
Fuel Types
Natural gas (most convenient), propane (requires tank), or diesel.
When Worth It
Frequent power outages, medical equipment, well pumps, or home-based business.