In 1948, research by R.G. Huebscher established flow resistance for different shapes of ductwork at equal velocities, which allowed the creation of the duct-sizing calculator or “Ductulator” for ...
Design Master HVAC is an AutoCAD-based duct design program. It is a complete design tool, the company states, encompassing load calculations, duct and diffuser layouts, duct sizing, and double-line ...
Ductwork plays a direct role in how air moves through a building. When ducts are properly designed, sealed, and ...
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2026 HVAC code changes every contractor should know
The 2026 HVAC and IECC code updates are reshaping how contractors design, size, and install systems. Stricter efficiency, ventilation, and documentation requirements mean old shortcuts can now cost ...
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AI copilots are transforming BIM design workflows
From automating MEP calculations to generating duct layouts and validating compliance, AI copilots are embedding directly into BIM tools like Revit to supercharge design workflows. These assistants ...
Duct burners use supplementary firing to increase the heat energy of a gas turbine’s exhaust, making it possible to increase the output of a downstream heat-recovery steam generator (HRSG). Early ...
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