Home standby generators from companies like Champion, Generac, and Kohler are pricey, but they provide immediate backup power during outages Whole-house generators are more expensive than portables, ...

The G-2.9R and G-4.5R gas-powered portable generators supply a maximum output of 2.9 and 4.5 kW (2.6 and 3.7 kW continuous), respectively. The 5.7-hp G-2.9R generator has a fuel-tank capacity of 2.6 ...