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Accuracy you can trust.
Since 1976.

The HASS family of fire protection is based on our in-depth knowledge of engineering, software development, and codes and standards.

HASS

HRS Systems' HASS (Hydraulic Analyzer of Sprinkler Systems): For engineers, designers and reviewers.

HASS performs calculations in accordance with NFPA 13, 13D, 13R, 14, 15, 20, 24, 750 and other standards, calculating any connection of nodes and pipes.
Accuracy you can depend on.

HASShouse

HASS Streamlined for residential systems. Quick and easy to use.

Provides everything needed for hydraulic analysis, design and review of residential sprinkler systems in accordance with NFPA 13, 13D, and 13R.

COOSA

Carbon Dioxide System Analyzer: For applications where water is undesirable as an extinguishing agent.

This powerful application includes NFPA Chapter 9 and IMO-FSS Chapter 5 (SOLAS) calculations for Marine Systems.