Many homeowners fear extra boxes, hidden costs, and fire risk. Wrong choices waste money. I explain when a 20 kW home system truly needs a combiner box. For most 20 kW homes with 2–6 strings and quality inverters, you do not need a separate combiner box. Built-in DC switches, SPDs, fuses, and multi-MPPT inputs already... The post Do You Need a Combiner Box for a 20kW Home Solar System? appeared first on .
