HVAC professionals across the country are experiencing a recent change that is driven by energy codes. This change is related to duct-leakage testing on new and often retrofitted HVAC systems. A lot ...
A big step in the right direction for HVAC companies is the move toward proper design utilizing software. For decades, many have been using rules of thumb to size equipment and duct systems, making ...
Duct smoke detector maintenance requirements are not included in the NFPA standard that covers HVAC systems (NFPA 90A or 90B); however, the International Code Council’s 2015 Mechanical Code does state ...
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