ASHRAE 90.1

ASHRAE 90.1

A standard that establishes minimum requirements for energy-efficient design of buildings except low-rise residential buildings. This standard addresses construction, operation, and maintenance issues to minimize the use of energy while not compromising building functions or the comfort and productivity of building occupants.
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Reheat coil Internal loads As per ASHRAE 90.1 Specifications Large Area 498,600 sq.ft.(46,300 [m.sup.2]) Dimensions 240 ft x 160 ft (72 m x 48 m) Aspect Ratio 1.5 Number of floors 12 + basement Window to wall ratio 40% Windows Evenly distributed on all sides Type of construction Pre-cast 8 in.
Figure 1 shows the ASHRAE 90.1 2004 recommended diversity factor for use with an "office occupancy" when actual schedules are not known.
Whether your state or city is updating its building energy codes or you're planning ahead for the forthcoming release of LEED v4, it will soon be vital to familiarize yourself with the 2010 version of ASHRAE 90.1.
RTUs built according to the challenge specification are expected to reduce energy use by as much as 50% compared to the current ASHRAE 90.1 standard.
Further, top company officials have revealed that the initiative involves the implementation of the appropriate latest International Design & Construction guidelines (LEED NC, ASHRAE 90.1, ASHRAE 55 etc.), while taking serious measures to conserve energy and water resources during the design of its maiden project.
It met the maximum installed lighting power density required by the then-current version of ASHRAE 90.1,1.3 watts per square foot, with the intent to use dimming strategies to consume less.
"For new buildings, ASHRAE 90.1 and many codes already require economizers and to investigate and install energy recovery in a lot of cases," Callan says.
The step-by-step guide covers the requirements of both the 2009 and 2012 editions of the International Energy Conservation Code (MCC), as well as the 2007 and 2010 editions of ASHRAE 90.1 referenced in the IECC, which is recognized by the Department of Energy for meeting the agency's energy conservation goals.
Ultimately, the facility's energy use beat ASHRAE 90.1 standards by 50% - far above North Carolina's requirement of 30% for government buildings over 20,000 square feet.
Additionally, new algorithms can automatically divide more complex geometry into zones specific to the geometry at each floor based on ASHRAE 90.1 Appendix G modeling requirements of thermal blocks (Autodesk[R] Project Vasari 2011).
E: The Versatec Base model exceeds ASHRAE 90.1 efficiencies while using environmentally friendly R410A refrigerant.
The interactive program is a back-of-the-envelope boost that can save building owners 30 percent more energy than the baseline standard ASHRAE 90.1 - without compromising the quality of illumination, say its creators.