Gear
Buy it once, from the maker
Short lists, not catalogs: the brands the guides keep coming back to, linked direct. Size the system with a free calculator first — then the list tells you where the money goes.
Rated for the United States: 120/240V split phase, UL listing and a dealer network you can reach. Europe runs a separate list.
Links go direct to the maker. Some may earn Grid CEO a commission at no cost to you; nothing here was placed for pay, and no maker saw this list before you did.