MEP Software Downloads

Free engineering software for HVAC, electrical, plumbing and fire design — with version info, system requirements and step-by-step installation guides.

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HVAC
Autodesk Revit MEP (Student Version)
Download the full Autodesk Revit 2026 free - a 1-year student licence or a 30-day trial - with the complete MEP (mechanical, electrical, plumbing) toolset built in.
v2026 173.6 MB Free for Students / Trial
⬇ Download & Guide
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HVAC
AutoCAD (Student Version)
AutoCAD Download free for 1 year through Autodesk's official student & education plan — eligibility, requirements and install steps.
v2026 31.5 MB Free for Students
⬇ Download & Guide
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HVAC
McQuay Pipe Sizer
Free Windows tool for sizing hydronic pipes (chilled/hot & condenser water) by velocity or friction method — from McQuay/Daikin.
v3.0 342.8 KB Freeware
⬇ Download & Guide
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HVAC
McQuay Duct Sizer
Free Windows HVAC duct-sizing tool (equal-friction & velocity method) — the digital ductulator from McQuay/Daikin.
v6.6 348.3 KB Freeware
⬇ Download & Guide