David Shiller

  LEDucation 2025 LEDucation 2025 will be held March 18 & 19 at the New York Hilton Midtown, in New York City. There will be over 400 exhibitors and 45 conference sessions available. LEDucation registration is now open here. LightNOW is a media sponsor of LEDucation and we will be staffing a media table at [...]

Editor’s correction: The original version of this story listed a simple payback calculation based on the project’s cost divided by annual energy cost savings. I’ve since learned the energy savings figures were based on lighting and controls savings only. The HVAC energy savings have not yet been determined for this project, and will require more [...]

  DNV, a leading utility evaluation and verification contracting firm, has published the LightingPLUS Market Characterization report. This is a joint study by 11 program administrators (PAs) from the U.S. and Canada, investigates the evolving commercial and industrial (C&I) lighting market. The study focuses on quantifying the remaining opportunities for legacy lighting replacements with LEDs [...]

At a time when many lighting trade publications are closing up shop, it was great to learn of a new lighting publication’s launch, Lighting News Now (LNN), led by industry veteran, Linda Longo, as Editor-in-Chief. The new online publication reports on the decorative residential lighting industry. Given all of the talk and uncertainty around tariffs, [...]

  The DesignLights Consortium (DLC) hosted the 2024 DLC Controls Summit in Milwaukee, Wisconsin, focusing on the integration of networked lighting controls (NLC) with HVAC systems to unlock further energy savings and reduce carbon emissions. The summit brought together manufacturers, lighting experts, and energy efficiency professionals to discuss strategies and resources for advancing NLC-HVAC integration. [...]

The dirtiest little secret in LED lighting is that luminaire lifetime values are nearly meaningless for the vast majority of luminaire manufacturers. Why is this? Two reasons: First, all manufacturers typically report TM-21 LED chip projected lumen maintenance values as the luminaire lifetime. This does not include the driver nor other components. Drivers have historically [...]

Image: Litetronics 120-480V Universal Voltage linear high bay The history of 120-480V LED drivers, particularly those with universal voltage capabilities, is closely tied to the evolution of industrial lighting and power distribution systems. Here’s an overview of their development: Early 2000s: The first LED drivers for constant voltage and current applications were introduced, laying the [...]

EDGE-TO-CLOUD: Edge-to-cloud in building automation systems is a modern computing paradigm that integrates edge devices with centralized cloud infrastructure to optimize building operations and management. This approach combines the benefits of edge computing’s real-time processing capabilities with the cloud’s scalability and advanced analytics. In building automation systems, edge-to-cloud architecture consists of several key components: Edge [...]

  LG unveiled a new “lifestyle projector” at CES 2025, prioritizing aesthetics and versatility over top-tier image quality. The PF600U stands out as a multifunctional device, combining a Full HD projector, Bluetooth speaker, and floor lamp in one package. Weighing 7.5kg, it contains dual speakers and an LED lamp with nine color options and five [...]