March 27, 2014: Vol. 13, No. 13 Advancing HVAC&R to Serve Humanity
And Promote a Sustainable World  
The HVAC&R Industry, ASHRAE's free weekly eNewsletter for HVAC&R professionals, provides relevant, timely information about industry and technology for people who create healthy, comfortable indoor environments.

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Industry News

Construction to Begin Next Month on New World's Tallest Building
JEDDAH, Saudi Arabia—Construction of Saudi Arabia’s Kingdom Tower, which will become the world’s tallest building upon completion, is set to begin in Jeddah next month. Above-ground work on the project is set to start on April 27. It is estimated that construction will take 63 months, with the project to be completed sometime in 2018. The developer, Jeddah Economic Company, has not publicized the precise height of the tower, other than that it will eclipse Dubai’s Burj Khalifa, currently the tallest in the world. The tower is reportedly planned to be around 3,200 ft (1,000 m) tall. The original planned height for the building was reportedly 1.6 km, just short of one mile. However, the geology of the area proved unsuitable for a tower of that height.

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Indoor Air Pollution 'Largest Environmental Health Risk'
GENEVA—An estimated 7 million people died due to air pollution globally in 2012, with more than half of the deaths linked to indoor smoke from cook stoves, according to a report by the World Health Organization (WHO). Air pollution is now the "single largest environmental health risk," the U.N. health agency stated in the report. The majority of the deaths associated with air pollution were heart disease, stroke, chronic obstructive pulmonary disease and lung cancer. Around 3 billion people in the world rely on coal, wood and open-air fires for household cooking, according to WHO's estimates. In India, 63% of the population uses such solid fuels for cooking. These fuels produce harmful pollutants such as fine particulate matter and carbon monoxide.

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OKC to Require 'Safe Rooms' in New Schools
OKLAHOMA CITY—Safe rooms will be required in new school buildings under a measure approved by the Oklahoma City Council. The measure will require a new school building to have tornado-resistant spaces with at least enough room to protect the number of children and teachers for which the building was designed. The change to the city's building code takes effect May 1.

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Trend Is New Homes Becoming Bigger, But Fewer Being Built

LAS VEGAS—In 2013, fewer big houses were built, but the average size for new homes continued to increase, reports the Washington Post. According to U.S. census data, the percentage of new houses built in 2013 with more than 3,000 ft2 (279 m2) of living space declined to 31% from a high of 45% at the peak of the home-building boom in 2007. At the same time, the average size for a new home built in 2013 edged toward the 3,000 ft2 benchmark. The average new home size was 2,679 ft2 (249 m2), 160 ft2 (14.9 m2) more than the previous year, according to the National Association of Home Builders’ recently released annual survey of home trends and buyer preferences. The 2013 average house size is also bigger than the average built during 2007’s housing peak. The appeal of ever-larger “average-sized” houses can be explained in large part by the changing pool of new home buyers. In 2013, the number of first-time buyers purchasing smaller houses fell because of this group’s difficulty in obtaining financing.

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2013 Sixth Warmest Year on Record, Says UN
LONDON—2013 was the sixth warmest year (tied with 2007) since international records began in 1850, according to the United Nations’ World Meteorological Organization (WMO). Also, the U.N. found that the period from 2001–2010 was the hottest decade on record. According to the annual report that documents global temperature changes, countries in the southern hemisphere are experiencing significant temperature increases. Last year was Australia’s hottest year on record, Argentina’s second hottest and New Zealand’s third.

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In other news...

Change Monographs of Uniform Mechanical, Plumbing Codes Available for Download
Chinese Firms Must Report Carbon Emissions for New National GHG Database
Fluke Gives Free Multimeters to Small Company That Violated Fluke's Trademark
USGBC Leads Call for Mandatory Sustainability Education in Public Schools by 2040
AIA Index of Construction Activity Shows Slight Improvement
EU Delays Decision on Climate, Clean Energy Plan Until October
Google Shuts Down EnergySense Home Energy Management Program
ABB Sells Thomas & Betts HVAC Business to Nortek


Revised ASHRAE Standard 105 Helps Compare Building Energy Performance
The newly revised ANSI/ASHRAE Standard 105-2014, Standard Methods of Determining, Expressing, and Comparing Building Energy Performance and Greenhouse Gas Emissions, supports commonality in reporting the energy performance of existing or proposed buildings to provide a consistent method of measuring, expressing and comparing the energy performance of buildings. “A standard method of measurement is needed in order to be able to compare one building's energy use to another,” said Keith Emerson, chair of the Standard 105 committee. According to Emerson, the new edition of Standard 105 now includes procedures for going beyond site energy to calculate the impact of building energy use on primary (source) energy and greenhouse gasses.

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Free Webcast to Cover Improving Efficiency Without Compromising IEQ
Registration is open for the free ASHRAE webcast, "Buildings in Balance: IEQ and Energy Efficiency." "The presenters will describe best practices for performance measurement protocols and explain the role of post-occupancy evaluation in fine-tuning building performance. Viewers will also learn about the common design, commissioning, and operational pitfalls of IEQ," said Andy Cochrane, Chair of the CTTC Webcast Ad Hoc Committee. The webcast will broadcast live on April 17 from 1–4 p.m EDT. It has been approved for 3 Learning Units (LUs) by the American Institute of Architects (AIA), as well as 3 Continuing Education (CE) hours by the Green Building Certification Institute (GBCI).

Click here
to learn more and to register.

Feature of the Week

Energy Storage: Providing for a Low-Carbon Future
By Mark MacCracken, P.E., Member ASHRAE
According to the author, the world’s need to reduce its carbon emissions by reducing dependence on fossil fuel will completely change the makeup of the electric delivery system. That is because fossil fuels are forms of stored energy. Coal is not hot until it is lit. If we plan to replace fossil fuels with other forms of energy, then we also need to replace the storage characteristic of fossil fuels. This article discusses various energy storage types. It covers issues such as cost, longevity and efficiency.

This article originally was published in September 2010. Click here to download the article. It will be available here through April 10.

After April 10, access to the article from this eNewsletter will no longer be available. It will remain available for free download by members here and for purchase by nonmembers in the online store.

Product News

Modular Air-Handling Units From Daikin Applied
MINNEAPOLIS—Daikin Applied has added a range of fan array options for its indoor, outdoor, and custom air handlers. The new fan array options provide specifying engineers with increased design flexibility. The fan array incorporates a number of smaller, reduced maintenance direct-drive fans in place of a traditional large single belt-driven fan. This allows specifying engineers to match the motor load to the building application to deliver optimal airflow and optimal use of coils and unit heat exchangers. The redundancy of additional fans/motors within the array increases the reliability of the unit.

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Wireless HVAC Controller System From Telkonet
MILWAUKEE—Telkonet introduces the EcoWave occupancy-based wireless unitary HVAC controller. The controller is designed for unitary HVAC applications with unpredictable occupancy, such as hotel rooms, dormitories, residence halls, assisted living, public housing and condominiums. The solution is comprised of two hardware components: the wireless EcoAir battery-powered display unit and the EcoSource HVAC controller. The system can control multiple HVAC systems, all directed by a single EcoAir display unit. This type of setup reduces the complexity of running multiple HVAC units in a single large space and worrying about opposing modes competing against each other.

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Inverter-Driven Motors From Baldor Electric
FORT SMITH, Ark.—Baldor Electric offers the Baldor-Reliance Super-E motors in 152 ratings. The inverter-driven motors feature a shaft grounding device that is factory installed. This internally mounted design minimizes the effects of shaft currents that can be present in adjustable-speed motor applications. Providing the shaft ground mounted internally on the motor in industrial HVAC and pumping applications minimizes the potential for damage to the grounding device.

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