

Standby generators last 15 to 30 years or 10,000 to 30,000 hours.Whole-home generators cost $50 to $150 per day to run and provide a power source for up to 500 hours continuously or three weeks.Home standby generators, also called backup or whole-house generators, are permanently wired into the electric panel and automatically turn on during a power outage.Large luxury home or commercial applications. Standby generators can power select circuits or a whole home, depending on the generator's size in kilowatts (kW) and circuits in the transfer switch.ġ0 lights, refrigerator, sump pump, well pump, microwave, TV, laptop, coffee maker, and furnace fan. Generac generators cost $2,000 to $5,000 for a whole-house unit, without installation. Home generators cost $3,000 to $6,000 alone, and the cost to install a whole-house generator is $3,000 to $5,000. Whole house generators cost $6,000 to $11,000 on average, including installation.
