Daylighting is recognized as best practice in energy codes and industry standards due to its documented positive effects on worker satisfaction and performance and potential to generate substantial energy savings. Daylighting and daylighting control are now encouraged or required by California’s Title 24 energy code, LEED-NC v.2.2, Northeast Collaborative for High Performance Schools, and ASHRAE [...]

Launched in 2001 by Craig DiLouie, LightNOW covers the rapidly changing lighting world for lighting people. LightNOW changed ownership in 2022, and is now owned and operated by David & Suelynn Shiller of Lighting Solution Development. Check-in daily to see lighting industry news and analysis by David Shiller, Craig DiLouie, and other experts in the [...]

Interested in new lighting technologies? PIER has published three briefs about emerging technologies that are available for free download. Note: All files download as PDF files. Savings Persist with Monitoring-Based Commissioning (TB-39) shows how monitoring-based commissioning (MBCx), a program approach that combines permanent building-energy-system monitoring with standard retrocommissioning practices, can provide substantial, persistent energy savings. [...]

The Energy Independence and Security Act of 2007 regulates the efficiency of general-service 40-100W incandescent and halogen screw-in lamps starting in 2012. With only a few exceptions among energy-saving screw-in halogen lamps, today’s incandescent lamps do not comply and will therefore be eliminated. The good news for incandescent fans (and those who simply want choice [...]