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.
Buy NowAccuracy you can trust since 1976
Who is HASS for?
Receive faster approval on your designs and complete more jobs with HASS.
- Faster data entry
- Calculate without drafting
- Quicker AHJ reviews
- Better system designs
Have the most accurate calculations and integrate with AutoCAD (coming this summer!)
- Industry-leading accuracy
- Easier to read calculations
- Faster data entry
- Conveniently import and export AutoCAD drawings
- Calculate without drafting
Complete more jobs and cut costs with HASS.
- Faster system designs
- Quicker AHJ reviews
- Cut installation costs
- Reduce errors
Verify calculations faster and complete more reviews with HASS.
- Faster calculation verification
- Easier to read results
- Enjoy best-in-class support from HRS Systems
- Quickly review calculated safety factors
- Conveniently work anywhere with HASS on your laptop
Powerful features
Get Approved Faster
Calculate with industry-leading accuracy, prepare easy to understand reports, and confidently submit your designs for faster approval.
Integrate with AutoCAD®
Conveniently import and export AutoCAD® drawings to calculate, optimize, and report your system designs.
Save Time
Rapidly input system data and automate your workflow to make your work faster, easier, and complete more jobs.
Cut Costs
Quickly optimize your system with intelligent system design tools and significantly cut your costs.