Craig DiLouie

An estimated two-thirds of the nation’s nonresidential construction companies are planning to cut their payrolls, according to new employment and business forecast figures released by the Associated General Contractors of America. All told, those layoffs are forecast to result in a 30% decline in the number of people working on construction projects. “Unless the business [...]

ANSI/ASHRAE/IESNA Standard 90.1-2004, Energy Standard for Buildings Except Low-Rise Residential Buildings, has been established by the Department of Energy as the commercial building reference standard for state building energy codes starting in 2010. By December 30, 2010, all states in the United States must certify that their building codes meet or exceed the requirements in [...]

Cree, Inc. has announced the volume availability of the LR24, a 24-inch square recessed LED general lighting fixture. The LR24 is intended for suspended-ceiling applications traditionally addressed by linear fluorescents, also known as lay-ins or troffers. The LR24 is the newest addition to the Cree family of recessed LED fixtures and delivers uniform, high light [...]

The U.S. Green Building Council recently reaffirmed its commitment to the development of Standard 189.1P, which will be America’s first National Standard developed to be used as a green building code when completed. Created specifically for adoption by states, localities, and other building code jurisdictions that are ready to require a minimum level of green [...]

The U.S. Census Bureau of the Department of Commerce recently announced that construction spending during November 2008 was estimated at a seasonally adjusted annual rate of $1,078.4 billion, 0.6% (±1.6%) below the revised October estimate of $1,085.3 billion. The November figure is 3.3% (±2.2%) below the November 2007 estimate of $1,115.3 billion. During the first [...]

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 [...]

Miniaturized electronics developed by GE Consumer & Industrial engineers and scientists are the enabling technology of a new covered GE Energy Smart CFL featuring the GE Spiral® CFL inside the glass bulb. With this new CFL, protected by more than a dozen U.S. patent applications, the electronics fit in the neck of the bulb. The [...]

The U.S. Department of Energy (DOE) has released the Phase III report from the solid-state lighting (SSL) demonstration of LED streetlights in Oakland, CA, according to an email I recently received from Jim Brodrick at DOE. The GATEWAY demonstration report, prepared by Pacific Gas & Electric and Energy Solutions, provides an overview of project results [...]

In March 2008, TED Magazine, the NAED publication for electrical distributors, published my column summarizing the lighting changes of the ASHRAE 90.1-2007 energy standard. ASHRAE 90.1-2007 did not make power allowances more stringent, but did include a number of significant refinements. Click here to read the article. According to the Building Codes Assistance Project, as [...]