Since a HVAC system will account for 30% to 40% of a building’s energy costs, mechanical systems engineers are starting to take advantage of BIM for HVAC drafting businesses, to make sure they are designing systems that are energy efficient. This is especially crucial if the owner plans to implement building information modeling sensors and equipment to better manage peak demand energy costs.
It is essential to employ BIM trained drafters early in the HVAC engineering phase because the 3D graphics is linked to data that makes intelligent objects which hold the component specifications. Changes made to a diffuser or another component on a floorplan is automatically updated wherever that diffuser is located on other drawings, making engineering design changes easier and more efficient.
The primary use of BIM for HVAC systems engineering occurs when the engineer can download the data contained within the drafting files and run HVAC load and performance calculations with the use of specialized software that takes away guesswork and results in a better design with less effort. Different equipment or components can be easily swapped out to improve performance, while all drawings update automatically with the new changes.
The routing of ductwork for the most efficient air flow and without clashes with structural elements or other equipment is greatly enhanced with BIM software as the drafter can use multiple views with structural, electrical and plumbing systems overlaid, to avoid interferences and maintain adequate clearances. Additionally, the placement and spacing of hangers and supports are constrained to industry code by applying parametric geometry rules that warn the operator when a code is being violated.
HVAC designers, contractors, and third-party suppliers should contact us to learn more about the advantages of using BIM drafting for HVAC systems design.
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