Analysis of daylighting control systems in 20 office and public spaces in Minnesota and Wisconsin shows that while the automatic daylight harvesting schemes are helping to reduce lighting energy in the buildings, most are not achieving optimal performance, according to a new study by the Energy Center of Wisconsin (ECW).
According to ECW, the median daylighting control system studied was saving 23% of lighting energy, including impacts on heating and cooling. This translated to 915 kWh saved for every kW of lighting controlled. But the average effectiveness (the energy saved versus energy saved with ideal control) of the controls was only 51%. This meant that almost half of the potential savings from these controls was not captured due to imperfect controls operation. Even worse, four of the 20 spaces studied had zero savings.
The low level of effectiveness, says ECW, is evidence of a lack of controls execution. The findings show that successful implementation of automatic daylighting control requires a significant commissioning effort to reach full energy-savings potential.
Read the full daylighting commissioning report from the Energy Center of Wisconsin.
As part of the report, ECW developed a tip sheet on commissioning and calibration and function testing of lighting controls. Recommendations include assigning a single person of the construction team to be responsible for verifying completion of all steps in the daylighting commissioning process, and proper training of the building owner/operator on the controls equipment and systems. Download the tip sheet (PDF)
(http://www.ecw.org/project.php?workid=1&resultid=494)
Related Stories
Healthcare Facilities | Sep 1, 2017
Caring for caregivers
Many healthcare organizations are increasingly focused on designing amenities, policies, and workplaces to better support their clinicians, health providers, and administrators.
Architects | Aug 31, 2017
How Instagram is changing the design industry
The digital and physical worlds are colliding. How will social media platforms influence the way we design spaces?
Mixed-Use | Aug 30, 2017
A 50-acre waterfront redevelopment gets under way in Tampa
Nine architects, three interior designers, and nine contractors are involved in this $3 billion project.
AEC Tech | Aug 25, 2017
Software cornucopia: Jacksonville Jaguars’ new practice facility showcases the power of computational design
The project team employed Revit, Rhino, Grasshopper, Kangaroo, and a host of other software applications to design and build this uber-complex sports and entertainment facility.
Multifamily Housing | Aug 24, 2017
Storage units, lounges most popular indoor and outdoor amenities in multifamily developments
Tenants and condo owners crave extra space for their stuff. Most developers are happy to oblige.
Green | Aug 24, 2017
Business case for WELL still developing after first generation office fitouts completed
The costs ranged from 50 cents to $4 per sf, according to a ULI report.
Healthcare Facilities | Aug 24, 2017
7 design elements for creating timeless pediatric health environments
A recently published report by Shepley Bulfinch presents pediatric healthcare environments as “incubators for hospital design innovation.”
BD+C University Course | Aug 23, 2017
AIA course: New steel systems add strength and beauty
Advances in R&D are fostering new forms of structural and aesthetic steel.
Market Data | Aug 23, 2017
Architecture Billings Index growth moderates
“The July figures show the continuation of healthy trends in the construction sector of our economy,” said AIA Chief Economist, Kermit Baker.
Architects | Aug 21, 2017
AIA: Architectural salaries exceed gains in the broader economy
AIA’s latest compensation report finds average compensation for staff positions up 2.8% from early 2015.
