From fan to outlet: airflow, duct sizes, losses and fan selection — Excel export.
Engineering tools
Free tools for HVAC / MEP engineers: unit conversion, calculations and classification to standards. What you enter stays in your browser.
31 SI ↔ IP quantities and everyday MEP calculations, with standard classes.
Compare CAV · VAV · VRF for one building: energy, CO₂, payback — PDF report.
Starduct brand submittal for your project, A4 / PDF from each line's data.
Upload a BOQ in Excel, filter the items Starduct supplies, suggest codes and export for pricing.
Revit families, IFC and 2D drawings by model code — direct download, with a Revit add-in.
For Starduct staff
GenRoom – plant-room acoustics & cooling
Generator, chiller, heat-pump, cooling-tower, pump and fan rooms: 8-octave acoustic chain (Lw → silencer → room → acoustic louvre → receiver), air in/out and heat rejection; duct / fan / FCU silencer selection from the Tool Hub engine. In-browser simulation (airflow, acoustic field per band) and OpenFOAM CFD requests to the compute queue; PDF and Excel export.
UNISTAR seismic bracing – set capacity & selection
Import a BOQ (Excel, Word, PDF, images — Lê Na reads the detail drawings / specification to assign structure and direction to each Type) or enter structure attachment × brace direction × DN × number of sets: allowable load of each UNISTAR brace set per FM DS 2-8 (minimum of structure attachment, UTT20 pipe clamp and 1" SCH40 brace member), maximum zone of influence for SCH40 / SCH10, anchor forces and minimum steel thickness; saved records with revisions and an English A4-landscape Excel export. Same engine as the catalogue and the ERP. Set capacity only — no brace layout or building-structure check.
