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Fastrack - April 27, 2011

April 28, 2011
Survey: Principals Optimistic About A/E-Industry Rebound in 2011
April 27, 2011
Three Keys to Hydronic Control
By BJARNE ANDREASEN, Tour & Andersson, Denmark
All HVAC installations should try to reach two fundamental objectives. First, they should deliver the specified comfort level. Second, they should reach the first objective using a minimum amount of energy, thereby maximizing efficiency and minimizing costs. In theory, current building-management-system technology can help achieve these objectives, but, in practice, even the most sophisticated control system can have problems that lead to reduced comfort and higher operating costs. In many cases, these problems are found in hydronic systems. [MORE]
Survey: Principals Optimistic About A/E-Industry Rebound in 2011
A majority of architecture/engineering (A/E) principals are optimistic that business will pick up this year, according to business-management-services provider ZweigWhite's 2011 Principals, Partners & Owners Survey. [MORE]
ASHRAE Seeks Public Comment on Standard for Existing Buildings
With 86 percent of construction dollars going to the renovation of existing buildings, the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) and the Illuminating Engineering Society (IES) are revising ANSI/ASHRAE/IESNA Standard 100-2006, Energy Conservation in Existing Buildings. [MORE]
Updates to National BIM Standard Accepted Until May 2
The National Institute of Building Sciences buildingSMART alliance is accepting ballot submissions for Version 2 of National BIM Standard – United States (NBIMS-US) through May 2. [MORE]
Free Webinar Today at 2 p.m. ET
During summer, the electricity consumption of commercial rooftop HVAC units reaches its peak at the same time demand on the grid reaches its peak. For business owners, that means reduced comfort from load shedding or brownouts and increased electricity costs from demand charges and peak rates. [MORE]
NEW! Cost-efficient HVAC Transmitters from Vaisala Vaisala introduces 3 new transmitters for HVAC applications. The Vaisala HUMICAP® Humidity and Temperature Transmitter HMW80 is stable and dependable for use in heating and ventilation systems. The Vaisala CARBOCAP® Carbon Dioxide and Temperature Transmitter GMW116 is highly stable with unmatched long term stability. The Vaisala HUMICAP® Humidity and Temperature Transmitters HMT120 and HMT130 is ideal for more demanding HVAC or cleanroom applications with interchangeable probe for easy field calibration. Click here for more info.--Vaisala
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