Sizer is a professional solar system sizing tool designed to simplify the process of designing efficient and safe solar installations.
Whether you are a solar installer, engineer, or enthusiast, Sizer provides powerful tools to calculate, design, and optimize complete solar systems in minutes.
🔋 LOAD & ENERGY CALCULATOR
• Add appliances with quantity, wattage, and usage hours
• Automatically calculate total daily energy consumption (Wh)
• Includes 20% system loss for realistic estimates
☀️ COMPLETE SYSTEM SIZING
• Solar panel capacity based on sunlight hours
• Battery bank sizing (Ah & kWh)
• Inverter sizing for peak load
• Charge controller calculations
⚡ PROTECTION & SAFETY
• DC & AC breaker recommendations (125% safety rule)
• Surge protection (SPD)
• Professional cable sizing (mm²)
📂 PROJECT MANAGEMENT
• Save and manage multiple solar system designs
• Resume your work anytime
🔐 PREMIUM FEATURES
• Free: up to 3 calculations
• Premium: unlimited access for professionals
⚠️ DISCLAIMER
This app provides estimates only. Final installations should always be verified by a qualified professional.
Sizer helps you design solar systems faster, safer, and smarter.