28 Mar '13, 8pm

26 Proposed Addenda to ASHRAE/IES Energy Standard Open for Public Comment: Many changes are being proposed t...

aa mandates direct digital control (DDC) for certain applications in both new buildings and retrofits where it’s cost effective and defines the minimum capability of mandated DDC systems. bo adds requirements for use of gas condensing service water heaters in newly constructed buildings. bs reduces the occupancy threshold for demand controlled ventilation from greater than 40 people per 1,000 square feet, with exemptions for certain occupancies, to equal to or greater than 25 people per 1,000 square feet, expanding the occupancies where demand controlled ventilation is required. co corrects the calculation of hotel and motel type guestroom spaces based on an error in applying the room geometry of the space type, which then changes the associated whole building lighting power densities (LPDs) for hotel and motel. cr modifies the designation for the types of facilities eligi...

Full article: http://www.edcmag.com/articles/94984-proposed-addenda-to-...

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