U.S. shipments of residential gas storage water heaters for August 2011 decreased 8%, to 284,536 units, down from 308,646 units shipped in August 2010. Residential electric storage water heater shipments decreased 5% in August 2011, to 284,574 units, down from 299,048 units shipped in August 2010.
Why was one floor’s laboratory ventilation failing to keep up, when it was even the closest floor to the rooftop fans? Some system sleuthing led two engineers to a fitting conclusion. Read more stories in May Issue 2017.