Rhvac 8 by Elite Software, www.elitesoft.com, is an HVAC design program that calculates peak heating and cooling load requirements for rooms, zones, systems and entire buildings for residential and ...
This article originally appeared in the Spiral Duct Manufacturers Association insert in the January 2017 issue of SNIPS magazine. There are several factors that a designer should consider when ...
In 1948, research by R.G. Huebscher established flow resistance for different shapes of ductwork at equal velocities, which allowed the creation of the duct-sizing calculator or “Ductulator” for ...
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