Light Efficiency Calc is a professional utility designed for lighting contractors, facility managers, and energy auditors to estimate retrofit savings and organize commercial lighting audits on the go.

With this app, you can manually input existing lighting baselines, select proposed LED upgrades, and calculate financial and environmental benefits instantly.

Key Features:

1. Quick Retrofit Savings Calculator
* Input baseline parameters: quantity, existing wattage, daily operating hours, days per week, and local utility rates.
* Choose proposed fixtures from the catalog or input custom values (wattage, unit cost, installation cost).
* Instantly calculate annual energy cost savings, payback periods (in months), annual kWh saved, and monthly bill reduction.
* View environmental impact metrics, including annual CO2 reduction (lbs) and equivalent trees planted.

2. Facility Lighting Auditing
* Create and manage multiple facility audit projects.
* Log room-by-room or area-by-area audits within each project.
* Record room names, specific location notes, fixture quantities, baseline wattages, and operational hours.
* Track total investment, total annual savings, and average payback period across the entire project.

3. LED Fixture Spec Catalog
* Browse authorized LED product specifications from MAKE THE LIGHT LLC.
* Filter and search fixtures by name, category, or replacement baseline.
* View detailed specifications: LED wattage, luminous flux (lumens), color temperature (Kelvin), base type, and typical replacements.
* Access dealer net unit costs and estimated installation costs per fixture.

4. 100% Offline Local Storage
* Save and view all logged facility projects directly on your device.
* Edit or delete logged rooms and audits at any time.