The science of acoustic fire suppression, which has long been known and documented in scientific literature and the press, works by vibrating oxygen molecules away from a fuel source, depriving the fire of a critical component needed for combustion.

Indeed, after just a few seconds of infrasound, the tiny kitchen blaze goes out. //

Sonic Fire Tech says that its system is as good as, if not better than, traditional sprinklers for many applications.

“Sonic Fire Tech is in fact intended to replace interior residential sprinklers,” Pollack told Ars. “The demo showed a critical benefit of SFT over water sprinklers in suppressing a kitchen fire, which represents about half of all residential fires. This is also applicable to commercial kitchen fires and other common grease and chemical fire applications.” //

“Sprinklers have a well-established role,” Nate Wittasek, a Los Angeles-based fire protection engineer, emailed Ars. “They apply water directly to the fuel, cool the space, slow or stop flashover, and give people time to get out while reducing risk to firefighters. Sound may knock down a small flame, but it does not cool hot surfaces or wet fuel. That raises real questions about re-ignition, smoldering fires, hidden fires, and fires that are partially blocked by contents.”

Water sprinklers have been around for a long time. The National Fire Protection Association (NFPA), a well-known industry nonprofit, was founded in the late 1800s to develop a uniform standard for sprinklers. The latest iteration of those guidelines, known as the “13D” standard, is well documented and widely adopted.

A recent press release from Sonic Fire Tech states that the company has “secured third-party validation of its system as a viable NFPA 13D-equivalent alternative to conventional residential sprinklers.” ////

Why not both? First and second level.