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Yes — Automist can be used as an alternative to an NFPA 13D fire sprinkler system in domestic occupancies, where permitted by the local Authority Having Jurisdiction (AHJ). Automist is not an extinguishing system; it is a fire suppression system that is specifically designed and Listed for domestic use, meeting the intent of NFPA 13D sprinkler protection.

Traditional fire sprinkler quotes often exclude the cost of upgrading your water supply, which is why total costs can increase significantly. While the sprinkler system itself may cost as little as $5,000–$6,000, water utilities may require a larger meter to meet the system’s flow demand, adding both upfront installation fees and possible ongoing monthly charges. Depending on the property and infrastructure, these additional costs can range from a few thousand dollars to much higher in complex cases. Automist operates at significantly lower flow than conventional sprinklers – a standard domestic meter can handle the demand without upsizing.

For ADUs requiring fire protection, the choice is typically between traditional NFPA 13D sprinklers and Automist, with key differences in installation, water demand, and overall impact. Traditional systems require extensive ceiling pipework, high water flow (13–26 GPM), and often costly utility upgrades, while Automist uses compact, wall-mounted heads with flexible connections and operates on just 2.4 GPM from a standard domestic supply. It uses around 90% less water, reducing potential damage, and avoids many infrastructure costs and delays, making total installed costs often comparable or lower.