Stopping smoke from migrating through HVAC systems is important to save lives and to minimize property damage. Deaths due to smoke inhalation far outnumber deaths due to burns. Interestingly, smoke inhalation deaths have dropped with the advent of improved smoke mitigation methods designed into HVAC systems. New fire/smoke dampers have been introduced that increase designer and installer flexibility. Proper installation, along with knowledge of current codes and standards, can save lives.
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