Maintenance is recommended every 200 hours of runtime or 2 years ... On average, a 21 kW natural gas generator costs about $90 per day to run, while propane and diesel units of the same size ...

1,500 square feet, whole house or one floor 13 to 16 kW $3,750 to $5,200 1,500 ... are usually exempt), and can can cost anywhere between $50 to $200. Home generator costs will also depend on ...