IES Lighting Ready Reference App Available as Free Download

LDS 19 CS IES App 400

Oct 1, 2019

The IES Ready Reference App, produced by the Illuminating Engineering Society is now available as a free download.

Now available in English, French, AND Spanish!

The App provides:

  • Core lighting knowledge, including values from illuminance tables
  • General knowledge information, assembled from The Lighting Handbook, 10th Edition and IES standards
  • Simple calculator for quick and easy basic lighting and energy and economic calculations
  • Search feature allowing you to find the information you want

Contents include:

  • The principles of quality lighting
  • The physical principles of lighting, including reflection and refraction, the physiology of human vision and related topics, including colour and glare
  • Lighting equipment, including light sources, lighting controls, and luminaire classification systems
  • Practicalities of lighting design, including energy, economics, sustainability, and maintenance.

The IES App is compatible with any Android or iOS smart phone or tablet.

Go HERE for more information

Related Articles

Changing Scene

  • Sept 14, 2026 - Salex Promotes Ali Saleh as New Technical Services Manager & Alana Punit as New Marketing Manager 3

    Salex Inc. Announces Two New Appointments

    Salex is excited to share another update as roles continue to evolve across the company. Ali Saleh has been promoted to Technical Services Manager, leading their Technical Services team and supporting the continued growth of their technical capabilities, service offerings and customer experience. Alana Punit has been promoted to Marketing Manager, leading marketing initiatives across… Read More…

  • Sept 10, 2026 - Symmetry Lighting Announces Elvis Bazelli as Their New Technical Sales Specialist

    Symmetry Lighting Announces Elvis Bazelli as Their New Technical Sales Specialist

    Meet Elvis Bazelli, Symmetry Lighting’s new Technical Sales Specialist!⁠ Elvis brings a great combination of technical knowledge, field experience, and a background in commissioning lighting control systems to his new role. He will be working closely with Symmetry Lighting’s Sales and Controls teams to help support their clients with product applications and solutions. Symmetry Lighting… Read More…

Design

  • CSC LED: Top 6 Time-Saving Lighting Features for Faster Installs

    CSC LED: Top 6 Time-Saving Lighting Features for Faster Installs

    When it comes to lighting projects, time on site matters. Tight schedules, labour costs, and project deadlines all depend on how efficiently an installation is completed. While fixture performance is critical, features that simplify installation can have just as much impact on overall project success. Here are six key features that help streamline installs, reduce… Read More…

  • Axis Lighting: Project Highlight – Pickering College, Newmarket, ON

    Axis Lighting: Project Highlight – Pickering College, Newmarket, ON

    At Pickering College, the new West Lake House creates a dynamic environment for teaching, learning, and connection. Designed to double the school’s classroom space nearly, the new academic hub brings together flexible spaces that can adapt to different activities and ways of learning. Read More…

New Products