Your inverter size is set by how much can run at once. This lesson turns a list of appliances into the right kVA.
Add up simultaneous load
List each appliance's wattage and how many you might run at the same time. Sum the wattage of everything that could be on together — that's your peak load.
From watts to kVA
Divide peak watts by 1,000 for kW, then by a power factor of about 0.8 to get kVA, and add roughly 20% headroom for surge and growth. Round up to a standard inverter size.
Shortcut
The free audit does this automatically as you add appliances — a good way to sanity-check your own maths.
Ready to put it to work?
Use the free audit to apply what you've learned and size a system for your exact load.