What's New

• Updated for the latest iOS version

App Description

System Syzer is an HVAC tool that helps with piping system design. The application is based on the original plastic wheel calculator by designed by Gil Carlson of Bell & Gossett. It was first introduced in 1963 and has since been distributed to well over a hundred thousand engineers and tradesmen.

The tool is made up several different calculators. There is a calculator for friction loss and velocity through pipe based on your fluid conditions. Use it to determine the relationship between fluid temperature, system flow and heat/cooling load. There is a Cv tool that can help in multiple ways.

We have also bundled the Circuit Setter® / Triple Duty Valve calculator that is very handy for balance contractors. Use it during design to help predetermine valve settings and out in the field to determine flow through the valves based on pressure drop readings.

iPhone Screenshots

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Bell & Gossett - SystemSyzer screenshot 1 Bell & Gossett - SystemSyzer screenshot 2 Bell & Gossett - SystemSyzer screenshot 3 Bell & Gossett - SystemSyzer screenshot 4

iPad Screenshots

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Bell & Gossett - SystemSyzer screenshot 5 Bell & Gossett - SystemSyzer screenshot 6 Bell & Gossett - SystemSyzer screenshot 7 Bell & Gossett - SystemSyzer screenshot 8

App Changes

  • June 09, 2014 Initial release
  • October 13, 2015 New version 2.0.0
  • June 14, 2019 New version 2.0.2
  • August 05, 2021 New version 2.1.0