Although you can install a manual transfer switch to switch over to the standby generator, most whole-house standby generators use an automatic transfer switch.

While a transfer switch boasts both safety and convenience, it comes at a cost. Budget between $500 and $1,500 for the switch, including installation, which usually takes less than a day.

While a transfer switch boasts both safety and convenience, it comes at a cost. Budget between $500 and $1,500 for the switch, including installation, which usually takes less than a day.

A transfer switch allows you to power any of those—and skip the extension cords. Plan on a cost of $500 to $1,500 for the switch, including installation, which usually takes less than a day.