Fan Systems Calculator


The NCC 2019 Fan systems calculator assists in understanding and applying the NCC Volume One Part J5.4 Fan systems DTS Provisions for energy efficiency.

The calculator is a MS Excel file containing multiple worksheets, navigated via a customised ribbon. It requires macros to be enabled to function correctly. A help guide is available in the calculator and provides instructions on its use.

This calculator has been created and designed for Excel 2010, and newer, for Windows. Compatibility with other versions and operating systems is not guaranteed.

This calculator is for use with NCC 2019 Volume One.

Please note: The tool is currently producing incorrect results when centrifugal backward-curved type fans are selected. Until this error is rectified other calculation tools/methods should be utilised.

Cover image: Volume One Fan System Calculator

Related Resources