Air Conditioning

Daikin McQuay, formed when Daikin purchased McQuay International in 2006, today announced a name change, to Daikin Applied....More

In 2009, John D. Diffenderfer, AIA, LEED AP BD+C, O+M, a principal of Aedis Architecture & Planning in San Jose, Calif., received a phone call from the superintendent of the local Evergreen School District. George V. LeyVa Middle School was growing exponentially, and Evergreen wanted Aedis to design a separate administration building on the 23.4-acre campus....More

In 2009, heating and cooling systems, lighting, and controls across the campus of Wright State University in Dayton, Ohio, were nearing the end of their useful life. With tax bases and resources dwindling in the tough economy of the time—Wright State had $28 million in deferred maintenance—a solution that did not rely on state funding or an increase in student fees was needed....More

The Dundalk Institute of Technology (DkIT) in Dundalk, County Louth, Ireland, is home to one of the finest examples of Miesien architecture in Europe, the PJ Carroll Building, listed as a property of national and international significance. It also is home to the first large commercial “urban turbine” in Ireland and the first large commercial wind turbine on a college campus in the world....More

Traditionally, sizing ultraviolet-C lamps for the purpose of irradiating HVAC cooling coils depended on trial and error and rules of thumb. That changed with the publication of the 2011 edition of ASHRAE Handbook—HVAC Applications, Chapter 60 of which provides a quantitative approach to lamp sizing resulting in systems meeting performance requirements at the lowest initial and long-term operating costs. This article summarizes that guidance and offers a method to simplify future designs....More