LEX News

How Just The Right Lighting May Improve Learning In Classrooms

A recap of a 2016 study that revealed what kind of lighting may best support academic performance.

DOE Study: Visual Comfort A Tradeoff for High-Efficacy LEDs

In June, the U.S. Department of Energy (DOE) released the results of a studyinvestigating a group of new LEDs claiming efficacies exceeding 200 lumens per watt (LPW). While all the LEDs performed within 12 percent of their stated efficacies, observers frequently complained of glare and visual discomfort—problems that were more prevalent in products with the highest tested efficacy.

In a whole new light

Lighting fixtures that also transmit data are starting to appear, referred to as Li-Fi. This article provides a great overview of why this technology may be a great fit for hospitals, airplanes, and streetlamps.

Introducing LEED v4.1

The USGBC is introducing LEED v4.1, an incremental update to the LEED rating systems. Designed to be more inclusive and incorporate all of the lessons learned from LEED v4, LEED v4.1 delivers a bigger, stronger, and bolder solution for the green design of existing buildings, residential projects, and cities. 

Decoding IECC 2018

In 2017, the International Code Council published the 2018 version of the International Energy Conservation Code (IECC), which has been updated every three years since 2000. This 2018 version reduces lighting power allowances, broadens mandatory controls requirements, and issues clarifications.