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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.

Yes. Automist can be used as an alternative to an NFPA 13D fire sprinkler system in one- and two-family dwellings, where permitted by the local Authority Having Jurisdiction (AHJ). Automist is a UL 2167A Listed water mist fire suppression system, designed and installed in accordance with NFPA 750 and the manufacturer’s Design, Installation, Operation and Maintenance Manual (DIOM).

Possibly. While insurance discounts or “policy credits” are determined on a case-by-case basis, Automist has already been used successfully to secure coverage and lower premiums for high-value homes — especially in wildfire-prone areas and PPC 10 risk classifications where traditional coverage is increasingly difficult to obtain.

As insurers tighten underwriting criteria due to rising wildfire risk and water damage claims, automatic discounts for standard fire suppression systems are becoming less common. However, Automist stands out as an innovative loss mitigation solution — not only by reducing fire damage, but also by minimizing the risk of excessive water damage, which is a major cost concern for insurers.

Conventional residential sprinklers can discharge 13+ gallons per minute across a room until the water supply is manually shut off, so even a successful activation can cause significant secondary water damage. Automist targets the fire using much less water and shuts off automatically, helping reduce damage, clean up and disruption after an incident.

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.