| LEED-Certified Projects Reach 1 Billion Sq Ft |
|The total footprint of commercial projects certified under the U.S. Green Building Council’s (USGBC's) Leadership in Energy and Environmental Design (LEED) Green Building Rating System has surpassed 1 billion sq ft. Another 6 billion sq ft of projects around the world are registered for LEED certification. [More] |
| Green-Building Market Grows 50 Percent |
|The U.S. green-building market is accelerating, according to McGraw-Hill Construction's “Green Outlook 2011: Green Trends Driving Growth” report. The value of green-building construction starts was up 50 percent from 2008 to 2010—from $42 billion up to $55 billion to $71 billion—and represents 25 percent of all new construction activity in 2010. According to projections, the green-building market is expected to reach $135 billion by 2015. [More] |
| USGBC Announces Recipients of 2010 Leadership Awards |
|The U.S. Green Building Council (USGBC) has named the recipients of its 2010 Leadership Awards, recognizing organizations and individuals who signify vision, leadership, and commitment to the evolution of green-building design and construction. The awards will be presented on Friday, Nov. 19, during the closing plenary of the USGBC’s 2010 Greenbuild International Conference & Expo in Chicago. The awards recognize leadership in the private, public, and non-governmental organization (NGO) sectors. [More] |
| Grid-Interop Conference Setting Smart-Grid Standards |
|Held in partnership with the GridWise Architecture Council, the National Institute of Standards and Technology (NIST), and the Smart Grid Interoperability Panel (SGIP), the Grid-Interop Conference, to be held Nov. 30 to Dec. 3 in Rosemont, Ill., is an annual event during which industry experts, utility stakeholders, and policy makers discuss, debate, and determine the path to create interoperable systems and technology for the smart grid. [More] |
| Cottonwood filter screens |
Designed to protect condenser coils, air-handling units, cooling towers, and other mechanical equipment from fouling caused by airborne matter (insects, cottonwood seed, leaves, etc.), Cottonwood Filter Screens are engineered for optimal airflow and low static-pressure impact. [More]
--Air Solution Co.
| Data-center in-row cooling units |
Self-contained InRow SC data-center cooling units (300 mm, 200 to 240 v, 60 hz) closely couple cooling with the information-technology (IT) heat load. This design prevents hot-air recirculation while improving cooling predictability and allowing for a “pay-as-you-grow” environment. [More]
--APC by Schneider Electric
| Duct Liner Provides Insulation, IAQ Protection, Noise Attenuation |
The architects and engineers for the new Rosa Parks Elementary School in Mankato, Minn., hoped to achieve a return on the school district’s $21 million investment by minimizing operating costs and designing a school that is long-lasting. [More]
| Desiccant dehumidifiers |
Designed primarily for low-dew-point applications, desiccant dehumidifiers with EcoPurge recover energy from the hottest segment of the rotor and use the heat to reduce energy costs associated with the regeneration process. [More]
| Commercial heat pumps |
Carrier Corp. has introduced WeatherMaster Series Packaged Rooftop Heat Pumps with Puron refrigerant. With a seasonal energy-efficiency ratio of up to 15.8 and an energy-efficiency ratio (EER) of up to 12.8, the heat pumps deliver the highest EERs in the industry for 3- to 5-ton, three-phase commercial-package heat pumps. [More]
| Centrifugal modules |
Compact and easy to install, radial motor impellers with backward-curved blades feature integrated connection components for straightforward, simple operation. A pre-set inlet nozzle guarantees flawless aerodynamic and acoustic operation, while the pre-assembled operating capacitor and plug connector on alternating-current (AC) units eliminate incorrect wiring. [More]
| Thermal-imaging cameras |
FLIR i5/i7 thermal-imaging cameras can be used to quickly diagnose problems, improve efficiency, and ensure worker safety. Ergonomically lightweight, the cameras are heavyweight performers. Both models offer remarkable infrared-image quality, with 2-percent thermal accuracy, and a large 2.8-in. color display. [More]
--FLIR Systems Inc.
| Energy-Recovery Units Reduce Costs, Avoid Air-Quality Problems |
On the campus of Rockingham Junior High School in Rockingham, N.C., where hot and humid weather is common during spring, summer, and fall, buildings are heated and air-conditioned with unit ventilators and fan-coil units connected to a two-pipe hot-water or chilled-water system. [More]
--Greenheck Fan Corp.
| Air-conditioning systems |
LG’s Multi-V air-conditioning systems combat insufficient payback with their unique HVAC systems, which offer commercial buildings and lodging and hospitality environments a combination of high energy efficiency and easy temperature control. [More]
--LG Commercial Air Conditioning
| Water heaters |
SHIELD condensing gas water heaters are equipped with an advanced stainless-steel heat-transfer system located outside of the tank, ensuring the same high efficiency and low operating costs throughout the life cycle. [More]
| Heat pumps |
Mitsubishi Electric’s CITY MULTI H2i Hyper-Heating INVERTER VRF Heat Pumps maximize energy efficiency and provide better heating performance down to -13°F. Even on the coldest days, a single system can provide year-round comfort. Integrated flash-injection technology cools the INVERTER compressor, allowing it to speed up and produce more heat at lower temperatures. [More]
| Gel Prevents Mold and Corrosion Under Pipe Insulation |
In food-processing facilities, leaks in ammonia-refrigeration lines caused by moisture and corrosion can cause serious health, safety, and environmental problems and lead to costly downtime. [More]
--Polyguard Products Inc.
| Infrared heaters |
Two-stage infrared heaters are available in high-intensity-ceramic (SunTwin) and low-intensity-tube (True Dual) types. The SunTwin is offered in three sizes, with inputs for natural and propane gases. [More]
| Radiant heating/cooling system |
A radiant-heating/cooling-dedicated product, LOFlo Mixing Block (LMB) was designed to work with Taco’s LoadMatch single-pipe system along with active-passive chilled beams and a 100-percent dedicated outside-air system to supply latent cooling. [More]
| Backflow preventers |
Wilkins 375 Series Reduced Pressure Principle Backflow Preventers provide the best backflow solutions available in the marketplace with the lowest life-cycle cost of similar valves. [More]
--Zurn Industries LLC
| The A3G800 Axial Fan – Economic and Ecological Performance |
Consistent use of ebm-papst fans with EC technology can radically reduce the power consumption compared to AC fans – and that pays off. When using ebm-papst A3G800 axial fans in heat exchangers, energy costs can be reduced by 29% at an average duty cycle of 75%, approximately 17.1 short tons of CO2 and the cost of more than 24 MWh of energy can be saved annually. This reflects our simple yet clear GreenTech philosophy. Click here for more info.
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| ||November 17, 2010 |
| Green Buildings and Energy Efficiency |
By Stephen J. Vamosi, PE; Intertech Design Services; Cincinnati, Ohio
|Green buildings often are assumed to be energy-efficient. However, a building's energy efficiency depends on the designer's and the owner's understanding and definition of the term. [More] |