HRS Systems, Inc. 
Welcome to HRS Systems, Inc.
For more than 30 years, HRS Systems has provided fast, accurate, and easy-to-use software for fire protection professionals.
HRS Systems, Inc. is a dynamic fire protection software development company, as evidenced by our continuing advancement over the years. Our goal is to provide fire protection software - second to none - worldwide. Accuracy of calculations and results are paramount, with ease of data entry and attention to user comments and suggestions ranking a close second.
License holders receive program updates at least once a year to introduce new features at no extra charge. Consequently, the investment made in any given year is continually enhanced as updates are received. Highest product quality as well as customer loyalty and HASS use advocates throughout the fire protection community are direct results of this approach to business. You are invited to purchase a HASS license and to join the thousands who use HASS on a daily basis in some fifty countries worldwide . . . you will be in good company.
HASS (Hydraulic Analyzer of Sprinkler Systems) was first licensed in 1976 as a tool for easy use by engineers, sprinkler contractors and reviewers alike. Now, HASS gives you the tools you need to determine water supply adequacy based on system demand and distribution piping. With HASS, you can perform hydraulic analysis in accordance with NFPA 13, calculating any connection of nodes and pipes. And . . . you get major revisions, year in and year out; improvements or new features at no extra charge.