a home standby generator installed at the backyard of a house. an air-cooled natural gas or liquid propane generator for

generator backup kilowatts aircooled casing outside sunny tropical liquid propane natural gas lpg backyard lawn aluminum exterior vents modern technology line supply power home house residential wifi energy electricity emergency electric equipment fuel source standby service voltage system outage engine air cooled product heavy duty large industrial grass weatherproof weather installed actual use utility house air-cooled