When selecting a power backup solution, choosing the right size generator is key to ensuring your equipment runs smoothly in an outage. Start by making a detailed list of all the devices you need powered, then add up their running and surge wattages to determine your total load. For whole-home or commercial systems, it’s wise to include a 10-20% buffer above your calculated needs to account for future growth or starting loads. With the proper generator size, you avoid both under-powering your system and wasting fuel on an oversized one. Read more here.