GET IT RIGHT: Duct fitting construction has a large influence on its equivalent length and which air duct calculator setting you choose. The fitting on the left has a much higher equivalent length due ...
Last year, I wrote about five popular ways HVAC professionals across the country correct airflow issues. These corrections are commonly referred to as air upgrades and are basic duct repairs that ...
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 ...
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