How The New VTannual Rating Affects Daylighting

This illustration shows the relative altitude and surface-solar azimuth definitions used in the VTannual calculations.

If you’re involved with daylighting commercial buildings, you need to know about optically complex fenestration systems and the new VTannual rating.    Optically complex fenestration systems are technologically advanced products that use specially engineered light-bending or light-reflecting elements to harvest the wavelengths of light that we want to use to illuminate building interiors. One key example […]

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SkillsUSA sponsor donates steel framing products

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ClarkDietrich Building Systems is again sponsoring the SkillsUSA Championships, a one-day event that pits the nation’s top technical students against each other in 99 different trade, technical and leadership fields. ClarkDietrich will support the carpentry competition through a donation of its ProSTUD(R) Drywall Framing System and RedHeader RO(™) Rough Opening System. This SkillsUSA Championships is […]

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2014 Green Roof & Wall Industry Directory helps architects find resources

Green Roofs for Healthy Cities (GRHC), the non-profit membership-based industry association working to promote the green roof and wall industry in North America, has released The Green Pages: 2014 Green Roof & Wall Industry Directory. As the green roof and wall industry continues to grow, this directory will help architecture and landscape architecture firms find […]

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Bipartisan Energy-Efficient Cool Roof Jobs Act expected to create up to 40,000 jobs

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U.S. Senator Ben Cardin (D-Md.) has reintroduced the “Energy-Efficient Cool Roofs Jobs Act,” S. 2388, which would boost job creation in the construction industry and significantly increase the energy efficiency of buildings throughout the U.S., lowering energy costs and saving money. The bill would improve investment returns on building energy-efficiency improvements by shortening the tax […]

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New approach to energy code compliance clears major hurdle

Owners and design teams working toward high energy performance buildings have a potential new ally in the International Green Construction Code (IgCC). The development committee reviewing new proposals for enhancing the IgCC voted 8-5 on May 4 to approve a proposal that would add a first-ever outcome-based compliance path in a model energy code. The […]

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LG Electronics selected for DOE tech program

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HVAC manufacturer LG Electronics is partnering with the U.S. Department of Energy (DOE) on a new program designed to accelerate adoption of cutting-edge energy-saving technologies for commercial buildings. The technology is called variable refrigerant flow (VRF), and is being used in new commercial air systems. LG’s Multi V IV system uses VRF technology and brings […]

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Construction employment up in 40 states and DC

Construction firms added jobs in 40 states and the District of Columbia over the past 12 months and in 30 states and D.C. between April and May, according to an analysis today by the Associated General Contractors of America of Labor Department data.  Association officials said the employment gains help, but that construction employment remains […]

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Paper connects green infrastructure, health and resiliency

Green Roofs for Healthy Cities has published a research paper, “Exploring Connections Between Green Infrastructure & Healthy & Resilient Communities” that discusses the connections between green infrastructure, health and community resiliency. The paper reviews a growing body of literature which illustrates that how we design buildings and communities has profound consequences for our health and […]

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Code change will reduce hot water waste, save Americans time and money

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Plumbing inspectors, manufacturers, engineers, contractors, labor representatives and other industry technical experts voted overwhelmingly recently to make a change to plumbing codes that will ensure hot water pipes in new homes and commercial buildings are insulated. Overall, insulation of hot water pipes will shorten the amount of time spent waiting for hot water at showers […]

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Five Myths of Tubular Daylighting Devices

Michael Sather, commercial marketing manager at Solatube International Inc., Vista, CA

Are these myths preventing you from specifying/purchasing tubular daylighting devices for your commercial facility? Many people are familiar with the concept of tubular daylighting devices (TDDs), often generically referred to by more informal names such as solar tubes, sun tunnels, light pipes, or tube lights. The general concept is simple: A dome, attached to a […]

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