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November 17, 2010
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Green Buildings and Energy Efficiency
By Stephen J. Vamosi, PE; Intertech Design Services;
Cincinnati, Ohio
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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]
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LEED-Certified Projects Reach 1 Billion Sq
Ft
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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]
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Green-Building Market Grows 50 Percent
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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]
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USGBC Announces Recipients of 2010 Leadership
Awards
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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]
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Grid-Interop Conference Setting Smart-Grid
Standards
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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]
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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.
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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
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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]
--Armacell LLC
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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]
--Bry-Air Inc.
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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]
--Carrier
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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]
--ebm-papst Inc.
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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.
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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.
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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
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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]
--Lochinvar Corp.
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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]
--Mitsubishi Electric
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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.
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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]
--Solaronics Inc.
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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]
--Taco Inc.
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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
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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.
--ebm-papst Inc.
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