March 8, 2018
Natatorium / Pool Applications There are several schools of thought when it comes to designing Natatorium or Pool applications. In the ASHRAE Journal (July 2017 edition) the “Ventilation Requirements for Natatoriums” article highlights an alternate method for...
November 20, 2017
The fumes produced by various welding methods contain different concentrations of hazardous substances. Most welding particles measure 0.01 to 0.1 microns which makes them easy to inhale. The smaller particles are more dangerous because they are easier to breathe...
January 4, 2017
In the HVAC design process, designers must balance product selection and performance against design parameters such as sound, thermal capacity, and power consumption characteristics. It’s expected that the manufacturer’s performance data is accurate and the product...
January 4, 2017
Most traditional overhead air distribution systems continue to utilize the ceiling plenum as a return air path. One of the design concerns that must be considered and dealt with is noise transfer into the occupied space from either the plenum itself or from adjacent...
January 4, 2017
Up until the late 1980’s, the standard metric for evaluating chiller efficiency was full load kW/ton. The HVAC industry and chiller manufacturers in particular, recognized that the full load condition is rarely encountered and that considering only the full load...
