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Fire Alarm Designer

The ultimate toolkit for low-voltage engineering. Automate voltage drop calculations, battery capacity sizing, and device layout with pinpoint accuracy per NFPA 72.

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Circuit Status Optimized
Voltage Drop 1.82 V
Battery Required 24.5 Ah
Fire Alarm Schematic
NFPA 72 Compliant
The Workflow

Eliminate circuit failures.
Design with confidence.

Stop guessing on wire gauges and battery capacities. Fire Alarm Designer instantly validates your NAC and SLC circuits against real-world constraints.

  • Dynamic Voltage Drop

    Calculates end-of-line voltage instantly as you add devices or change wire gauges.

  • Automated Battery Sizing

    Computes standby and alarm loads to recommend the exact amp-hour battery required.

  • Acoustic Mapping

    Estimates sound pressure levels (dBA) across rooms to ensure audibility compliance.

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Technical Capabilities

Engineered for the complexities of modern life safety systems.

Circuit Routing

Map out Class A, Class B, and Class X circuits with visual validation of t-taps and end-of-line resistors.

Device Library

Access a massive database of strobes, horns, and detectors from major manufacturers (Notifier, Simplex, etc.).

Submittal Ready

Generate clean, professional battery and voltage drop reports instantly for AHJ review.

Candela Sizing

Automatically determines the required strobe candela rating based on room dimensions and mounting height.

Power Supply Logic

Manage multiple booster power supplies (BPS) across large facilities and track total system draw.

CAD Export

Export your device schedules and circuit layouts directly to AutoCAD with layered blocks.

In Development

Be the First to Know

Fire Alarm Designer is currently in closed beta. Join our exclusive waitlist today to get early access and secure founding-member pricing when we launch.