Osram outlined the key trends shaping commercial lighting in 2018. Let’s explore what this industry leader sees as the future of lighting.
**Human-Centric Lighting**
Light has a profound impact on our health, mood, productivity, focus, sleep patterns, and decision-making. With the rise of smart lighting and IoT integration, lighting systems can now adjust color, brightness, and timing automatically to better suit human needs. For example, in an article by Digital Lumens, it was mentioned that in a classroom setting, biosensors could monitor students’ alertness and subtly shift the light spectrum to enhance attention when needed.
Chad Groshart, a member of the International Association of Lighting Designers (IALD), LEED AP BD + C, and WELL Faculty/Qualified Personnel, is deeply involved in human-centric lighting (HCL) daily. He stated, “Human lighting is a growing trend, with increasing interest and adoption. The latest control technologies are making it easier to implement.†He also emphasized that the WELL Building Standard has been a major driver for HCL, pushing the industry forward.
The WELL Building Standard is a performance-based system that measures, certifies, and monitors environmental factors affecting human health and well-being. It is managed by the Green Business Certification Inc. (GBCI), the same organization behind LEED certification.
**Smart Lighting Drives IoT Adoption**
Lighting is everywhere, and each luminaire can be easily connected to the power grid. When combined with sensors and LED technology, lighting is transforming how we interact with our spaces. A smart, sensor-rich, connected lighting system can become a data-driven network integrated into a building management system (BMS).
Forward-thinking building owners and facility managers are starting to see each lighting point as a data node, potentially leading the way in adopting smart buildings and IoT applications. The connected lighting systems they choose today will serve as the foundation for future smart solutions.
**Expanding Sensor Use**
We are still in the early stages of understanding which IoT applications will emerge and what sensor data will be necessary. To prepare for the unknown, some facility managers are installing more sensors within their lighting systems. In addition to light and occupancy sensors, many are experimenting with sensors that measure humidity, particulate matter, and air quality.
The idea of “more and better sensors†is gaining traction. As Groshart noted, “Luminaires make an ideal platform for sensor deployment. Even though the full potential of each sensor type isn’t clear yet, there's a consensus among high-end project managers that it’s better to be ahead of the curve.â€
**Simplifying Daylight Harvesting**
Daylight harvesting is not a new concept, but there is a growing demand for simpler control setups. ASHRAE 90.1-2016 has increased requirements for daylight-sensitive controls, while LEED includes three points for effective daylighting strategies.
With a focus on ease of installation, newer lighting control systems aim to simplify the setup and commissioning process. The goal is to maximize natural light use—both to meet regulations and improve energy efficiency.
Daylight harvesting uses a lighting control system to adjust artificial lighting based on available natural light. Light sensors detect ambient levels and dim or turn off artificial lights when sufficient daylight is present, maintaining optimal lighting conditions while reducing energy use.
**Energy Consumption and Regulations**
While energy regulations have driven digital lighting over the past decade, they remain relevant in 2018. Energy consumption continues to influence lighting design decisions, especially as regulations evolve and become stricter. Many expect the 2019 version of Title 24 to take effect in 2020, with implications beyond California.
Although energy budgets are still a key factor, experts believe that good lighting design should not be compromised by regulations. For instance, ASHRAE 90.1 allows a 1 watt/sq ft decorative margin above the baseline, giving designers flexibility to balance energy compliance with user expectations.
As the lighting industry moves forward, these trends highlight a shift toward smarter, healthier, and more sustainable environments.
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