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 ...
The Innovairâ„¢ is a UL-listed, watertight duct smoke detector. According to the manufacturer, the Low-Flow technology provides wide smoke detection in airspeeds as low as 100 feet per minute (fpm) ...