A Missouri college called late last fall with a problem. Its heating system, a central campus heating water boiler plant with two pumped loops and three distribution branches, had developed a leak in the loop to the library building across the quad.

Johnson Controls is moving its Air Handling Systems and Ducted DX businesses to a renovated facility just a few miles away at 100 JCI Way in York, PA.

The Institute for Bioscience and Biotechnology Research (IBBR) was one of the biggest energy hogs on the University of Maryland campus.

Southwest of Capitol Hill, and within an easy walk to the Jefferson Memorial, is a new seven-building, mixed-use urban center called Waterfront Station, located on 1100 and 1101 4th Street SW.

Chillers have always been a popular choice to air condition large commercial buildings that are, by their nature, energy intensive.

In May’s column, I detailed the benefits to the owner of defining and enforcing a standard VAV terminal unit control sequence.

Last month, this column addressed the fact that VAV terminal units are substantially more “variable” than even their name implies.

If anyone has commissioned anything, it is very likely they have commissioned at least one VAV hot water reheat terminal unit.

Engineers who pull out the 2015 ASHRAE Handbook HVAC Applications or 2016 HVAC System and Equipment Handbook will not find the topic of temporary HVAC systems.

How often has an AHU or system been reused as part of a building renovation project and/or to expand the area served by the associated unit to provide additional air conditioning or heating?