Inverter Power Guide

⚡Inverter Continuous AC
Power Capability Chart

Inverter Size (AC Continuous)	What It Supports	AC Capability	Recommended For	Supported Models
3 kW	Essentials only	No AC	Small spaces	EcoFlow DELTA Pro 3
5 kW	Essentials + small circuits	No AC	Small homes	Sol-Ark 5K, EG4 6000XP
7.6 kW	Most of home (no AC)	No AC	≤1500 sq ft	Enphase IQ8H PV-only
10 kW	Most of home; 1 small AC (soft-start)	1 small AC	1500–2000 sq ft	Sol-Ark 10K, FranklinWH paired, SigenStor 10kW, Delta Pro Ultra
11.5–12 kW	Run 1 full-size AC	1 AC	2000–3000 sq ft	Tesla Powerwall 3, EG4 12K PV, SigenStor, Delta Pro Ultra, FlexBOSS 18K
15 kW	Whole home + 1 AC + heavy loads	1 AC	2500–3500 sq ft	Sol-Ark 15K
16 kW	Whole home + 1 large AC	1 AC	3000–4000 sq ft	EG4 FlexBOSS 21K (12–16kW real)
18–20 kW	Whole home + 2 AC (mild)	2 AC	3000–4000 sq ft	2x FranklinWH, 2x EcoFlow DPUX, 2x PW3, Ocean Pro
20–23 kW	Whole home + 2 AC (summer)	2 AC reliable	3500–5000 sq ft	2× Powerwall 3’s (23kW), dual EG4 stack, DPUX, 2 x SigenStor
24 kW	Home + 2 AC + pool	2 AC + pool	Large homes	Ocean Pro 24kW, 2x DPUX
30–35 kW	2 AC + EV + heavy loads	2 AC + EV	4500–6500+ sq ft	3× Powerwall 3, 3x DPUX