By RICHARD S. COMBES, PE, PhD, and MICHAEL K. WEST, PE, PhD, Advantek Consulting, Melbourne, Fla.
This article discusses the use of heat pipes in outside-air-conditioning designs for new buildings conforming to ANSI/ASHRAE Standard 62.1-2010, Ventilation for Acceptable Indoor Air Quality, and ANSI/ASHRAE Standard 90.1-2010, Energy Standard for Buildings Except Low-Rise Residential Buildings, as a means to improve HVAC performance, indoor-air quality, and energy efficiency, as well as for retrofits.
Compared to double-wall duct construction with perforated metal lining, CertainTeed ToughGard® Ultra*Round spiral duct liner offers cost and weight savings as well as simplified fabrication and installation. Ultra*Round provides improved acoustical performance and has a tough, durable and cleanable air stream surface with an EPA registered antimicrobial agent. Click here for more.
For the time being, the U.S. Environmental Protection Agency will not pursue enforcement action against facilities that missed the March 21, 2012, deadline to conduct a boiler tune-up as required by the Boiler Area Source Rule.
ASHRAE recently announced the publication of ASHRAE Guideline 32-2012, Sustainable High-Performance Operations and Maintenance, which provides guidance on optimizing the operation and maintenance of new and existing buildings to achieve the lowest economic and environmental life-cycle cost without sacrificing safety or functionality.
The Center for Green Schools at the U.S. Green Building Council recently introduced Green Classroom Professional, a certificate program for pre-kindergarten through 12th-grade teachers, paraprofessionals, administrators, and parents.
Money lost or poor indoor quality, which group do you fall into? DCV systems over ventilate costing owners' money or under ventilate leading to poor indoor quality affecting human comfort. Download this Application Note for better understanding of the key to selecting a technology that will lead to higher success. —Vaisala
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