Infrasound waves stop kitchen fires, but can they replace sprinklers?

In Concord, California, Sonic Fire Tech demonstrated a novel fire suppression system that uses AI-driven sensors and infrasound waves to extinguish kitchen fires. During the demonstration, a small grease fire on a gas stove was quickly put out by infrasound emitted from wall-mounted devices, activated by smoke detectors. The technology, which Sonic Fire Tech aims to commercialize, is designed to replace traditional sprinkler systems by suppressing fires without causing water damage. The company’s CEO, Geoff Bruder, explained that their system distributes infrasound through ducting, functioning similarly to a sprinkler network but using sound waves to disrupt combustion. Sonic Fire Tech envisions applications in residential homes, commercial kitchens, and sensitive environments like data centers where water damage from sprinklers is a major concern. The firm is also developing portable, backpack-style units for firefighters. Since California has mandated sprinklers in new homes built since 2011, the company sees potential for widespread adoption of their technology as a safer, less damaging alternative. Despite the promising demonstration, fire safety experts remain cautious about the technology’s ability to fully replace sprinklers, especially in uncontrolled wildfire scenarios where fires can escalate rapidly. Questions persist about the effectiveness of infrasound suppression in larger or more complex fire situations. While the system may be well-suited for contained indoor fires, such as kitchen grease fires—which account for roughly half of residential fires—its performance in broader firefighting contexts remains uncertain. Sonic Fire Tech continues to refine its technology, emphasizing monthly improvements and highlighting the speed and precision of infrasound suppression compared to traditional sprinklers, which typically activate only after heat thresholds are reached. As the company expands its demonstrations across California, the potential for acoustic fire suppression to complement or replace water-based systems will depend on further testing, regulatory approval, and acceptance by fire safety authorities.