Easy-to-use Hydraulic Calculation and Design ToolsEasy-to-use Hydraulic Calculation and Design Tools

Easy-to-use Hydraulic Calculation and Design Tools

Quickly design any system, calculate with industry-leading accuracy, save system build costs, and prepare easy to understand reports.

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Accuracy you can trust since 1976

Transform your hydraulic calcs

Who is HASS for?Who is HASS for?

Who is HASS for?

Powerful features

Get Approved FasterGet Approved Faster

Get Approved Faster

Calculate with industry-leading accuracy, prepare easy to understand reports, and confidently submit your designs for faster approval.

Integrate with AutoCAD®Integrate with AutoCAD®

Integrate with AutoCAD®

Conveniently import and export AutoCAD® drawings to calculate, optimize, and report your system designs.

Save TimeSave Time

Save Time

Rapidly input system data and automate your workflow to make your work faster, easier, and complete more jobs.

Cut CostsCut Costs

Cut Costs

Quickly optimize your system with intelligent system design tools and significantly cut your costs.


Trusted by fire protection experts throughout the world.