Our Blog
Planning an Industrial Lighting Retrofit: A Step-by-Step Guide for Facility Managers and Contractors
Upgrading lighting in a manufacturing or industrial facility is one of the most impactful ways to improve safety, visibility, and long-term operating efficiency. The right lighting retrofit can dramatically reduce energy use, minimize maintenance costs, and make every workstation more productive.
We recently published our new Manufacturing & Industrial Facility Lighting Guide , which explains how different areas of a facility such as production floors, utility rooms, and washdown areas requ
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November 1, 2025
How to Calculate the Return on Investment for Lighting Retrofit Projects
Lighting retrofits are one of the fastest and most reliable ways to reduce energy costs in commercial buildings. Whether you are a contractor offering retrofit services or a building owner evaluating the potential return, understanding how to calculate ROI (Return on Investment) helps you make informed decisions.
This guide reviews the key formulas you will need and walks through a real-world example of a 20,000 sq ft warehouse with 2,000 sq ft of office space, showing exactly how to estimate sa
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October 12, 2025
New Stairwell Lighting Application Guide Now Available
We’re excited to announce that a new resource has been added to our Application Guides library: The Complete Guide to Stairwell Lighting: Codes, Rebates, ROI, and Fixture Choices. This guide is designed for contractors, building owners, and facility managers who need a clear, practical reference for choosing and upgrading stairwell lighting.
Why Stairwell Lighting Matters
Stairwells are often overlooked in lighting design, but they are critical life-safety areas that must remain illuminate
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September 9, 2025
Benefits of T5 HO High Bays
For far too long, the standard for lighting warehouses, industrial facilities, manufacturing facilities and other high ceiling height applications has been the 400-Watt Metal Halide fixture. Advances in ballast technology and the improvements of the T5 High Output (T5 HO) Linear Fluorescent lamp have led to many new light fixtures that are targeted specifically to replace old HID high bays.
The following article details the many benefits that the T5HO high bay fixture offers over tradition
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March 17, 2010
T5HO High Bay Compared to 400W Metal Halide High Bay
We're often asked how 4-lamp T5HO High Bays and 6-lamp T5HO High Bay Fixtures fare when compared with traditional 400W Metal Halide fixtures. The chart below compares 4-lamp and 6-lamp T5 fixtures against a traditional 400W Metal Halide High Bay along a number of dimensions. The comparison dimensions are listed below with a short description of each.
400W MH Compared to 4-Lamp and 6-Lamp T5 HO High Bays
Comparison Dimension
400W
Metal Halide
4-Lamp
T5 High Bay
6-Lamp
T5 High Bay
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December 17, 2009