Typically, green buildings save close to 30 percent of the energy and 50 percent of the water that buildings of comparable size waste. Those occupying these buildings claim improved health and lower utility bills.
A closed system protects the quality of the process fluid and reduces system maintenance at a slightly higher initial cost. When deciding which system is best for an application, several factors should be considered.
It's been demonstrated many times that after Europe introduces environmental regulation, similar action often occurs in the United States. This article explains WEEE and RoHS, and how they are already impacting the U.S. market.
A bald head enables you to immediately sense the smallest changes in air temperature or radiant heat transfer. The combination of the two is what defines "operative temperature" and the comfort equation that drives the radiant industry.
Many building operators do not repair or replace VFDs when they fail since motors can easily keep running through a bypass contactor. Continued operation in this mode quickly becomes a very expensive way to operate a fan.