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.
đ 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
âď¸ 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)
đ PROJECT MANAGEMENT
⢠Save and manage multiple solar system designs
⢠Resume your work anytime
đ PREMIUM FEATURES
⢠Free: up to 3 calculations
⢠Premium: unlimited access for professionals
â ď¸ 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.
Latest Version
1.0.22Uploaded by
Hisham Metawea
Requires Android
Android 6.0+
Category
Free Business AppContent Rating
Everyone
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Flag as inappropriateLast updated on May 14, 2026
Weâve added powerful new features to improve your experience on Sizer:
⢠Users can now download, customize, and share professional quotations directly with clients.
⢠Influencers can now manage their dashboard directly inside the app.
⢠Referral sharing is now easier with both referral links and referral codes.
⢠Performance improvements and bug fixes for a smoother experience.