Primary dwelling generators are the best option, but they cost many thousands of dollars to install and require gas or diesel for power Portable generators are air-cooled electric start units powered by Honda and Yanmar engines Home generators are rated on the basis of the power supplied by them Generators that are 8000 kw and below are considered portable wattage. Your usage of the generator before oil change will depend on hours used, since equipment of this type go by hour usage as pertaining to maintenance.. The troubles you will find with most portable power plant's after setting up is water in fuel from condensation.. Briggs is a generator that is affordable in the portable class type and generator's are great for camping trips if portable enough. Power plant's less than 9000 kw are considered portable by me wattage and power supplier repairs can be avoided by proper preventive maintenance. troubles. RELATED LINKS:Home generac generator safety /Whole house briggs generator tips /Whole house generac generator tips |