Highlights A whole-house generator has a typical cost range of $1,524 to $8,658 and a national average cost of $5,090. The main factors that can influence the total cost include the type and size of ...

Running a 20 kW unit on propane for a day costs about $220. Using diesel for a generator of the same size costs $175 per day on average. Portable units need to be filled as they are used; both ...

A home generator gives your home a backup in case of power outages, using an independent energy source like natural gas or propane to generate electricity and deliver it through your home's wiring to ...

When you lose power, a whole-house generator keeps your home’s systems up and running. Some are permanently installed to power your home in an emergency, while others are portable for off-grid camping ...