Specifiers and architects seeking to ensure the mechanical equipment noise does not exceed the ceiling system’s ability to attenuate it can use a straightforward method defined in the Air-Conditioning, Heating, and Refrigeration Institute’s (AHRI) Standard 885 (2008), Procedure for Estimating Occupied Space Sound Levels in the Application of Air Terminals and Air Outlets.
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A new publication provides direction for designing and constructing zero-energy office buildings in all climate zones.
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A new publication from the American Society of Heating, Refrigerating and Air-conditioning Engineers (ASHRAE) will help building professionals prepare for the challenges and opportunities of designing efficient and grid-responsive buildings within the changing energy sector.
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Registration is open for the 2017-2018 American Society of Heating, Refrigerating and Air-conditioning Engineers British Columbia (ASHRAE BC) Technology Awards. The honours recognize outstanding achievements by Society members who have successfully applied innovative building design in the areas of occupant comfort, indoor air quality (IAQ), and energy conservation.
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The American Society of Heating, Refrigerating and Air-conditioning Engineers (ASHRAE) distributed its annual awards during the 2018 Winter Conference in Chicago. The Technology Awards celebrate society members who have successfully applied innovative building designs incorporating ASHRAE standards for effective energy management and indoor air quality (IAQ) and also serve to communicate innovative first systems design.
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The Anne-Marie Edward Science Building at John Abbott College in Sainte-Anne-de-Bellavue, Québec was the only Canadian project to win a Technology Award from the American Society of Heating, Refrigeration, and Air-conditioning Engineers (ASHRAE).
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The American Society of Heating, Refrigeration, and Air-conditioning Engineers (ASHRAE) wants research papers for its second International Conference on Efficient Building Design: Materials and HVAC Equipment Technologies.
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Insulation placed in the exterior air cavity between brick veneer and a backup wall is now common practice; however, accounting for the reduction in thermal performance as a result of thermal bridging at brick ties is not. As the building enclosure’s actual thermal performance becomes more important and integrated into the overall design of other building systems, a clear understanding of thermal bridging and its impact on effective R-values is needed. Brick ties are only one example of a thermal bridge in the building enclosure, but a close look at their significance illustrates how important it is to account for thermal bridging.
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The phrase “think globally, act locally” is a good way to describe how sustainable design projects are conceptualized. From the building to the community scale, the goal is to minimize the initial and ongoing effects of development by striving for net-zero impact and focusing on ecological restoration. (Net-zero refers to a balance of resource use and restoration on an annual basis—producing as much energy through renewable sources as consumed, sequestering equal or greater amounts of carbon as emitted, or diverting all waste from landfills or other harmful means of disposal).
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Without a properly engineered ventilation system on the roof, ice-damming can threaten a building’s health. An ice dam is a ridge of ice forming at the eaves of a roof, cricket, or valley that prevents melting snow and water from draining off. The water backing up behind this obstruction can refreeze, creating an ice dam. These dams can be the cause of roof failures; once significant amounts of moisture enter the building, there is a high probability mould and other negative impacts can occur.
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