Sonic Fire Tech raises $15M for infrasound fire suppression
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- Sonic Fire Tech raised $15 million led by The O.H.I.O. Fund with participation from Khosla Ventures, following a $3.5 million seed in October, to fund National Fire Protection Association approval testing and hiring.
- The acoustic system uses a ceiling-mounted generator emitting ~20 Hz infrasonic waves through PVC pipes when sensors detect flames, deploying within seconds and leaving no water or chemical residue.
- CEO Geoff Bruder told TechCrunch the mess-free suppression should shorten the typical three-year NFPA approval timeline, since labs won't need cleanup between fire tests.
- COO Remington Bixby Hotchkis cited that 75% of commercial kitchens never reopen after a fire, positioning the damage-free system as an economic lifeline for that market.
- Sonic Fire Tech is in talks with insurers about premium discounts for adopters, while also testing whether infrasound can contain lithium-ion battery fires by halting cell-to-cell spread.
- The Ohio-based startup is building variants for commercial buildings, kitchens, and homes (new construction and retrofits), plus an exterior wildfire protection unit awaiting access to a suitable testing lab.
Why it matters: For commercial kitchens — where 75% of fire-affected businesses never reopen, per COO Hotchkis — a system that suppresses flames in seconds without water damage rewrites the economics of post-fire recovery. Insurance premium recognition would be the adoption catalyst, converting fire suppression from a compliance cost into a premium-lowering investment.
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