DDScad
Desktop BIM software for MEP design and calculation, positioned around coordinated HVAC, plumbing, and electrical planning with openBIM exchange and Graphisoft ecosystem links.
Made by Graphisoft, subsidiary; owned by Nemetschek Group (NEM, $7.4B)
Hidden Pricing
3.0 /5 composite score
Solid -- DDScad is a credible MEP BIM option inside the Nemetschek stack, with direct Graphisoft alignment and openBIM workflows, but public pricing is not surfaced on the vendor page and agent automation remains limited.
Solid
Rubric Scorecard
| Criterion | Score | Evidence |
|---|---|---|
| Value for the price | 2/5 | subscription (quote-required) Source → |
| Agent Friendliness | 2/5 | -- |
| Ease of adoption | 3/5 | desktop-install, moderate learning curve |
| Portability & lock-in | 4/5 | 4 file formats, export: manual |
| Interoperability | 4/5 | 2 integrations |
How we verified this: we checked DDScad against its live site and an independent source — aecmag.com. Nothing on this page is listed from memory. See how we grade. Verified 2026-07-14.
Evidence
File formats
| Format | Direction | Support |
|---|---|---|
| IFC | both | partial |
| DWG | both | partial |
| DXF | both | partial |
| gbXML | both | unknown |
Integrations
Graphisoft Archicad BIMx
Adoption
Deploymentdesktop-install
Self-serve signupno
Implementation requiredoptional
Training requiredtutorials
Learning curvemoderate
Data export
Export mechanismmanual
Export scopeper-file
Alternatives in MEP Design
Web-based Manual J/S/D HVAC load-calculation tool with LiDAR floor-plan scanning, satellite trace input, and cross-device access -- pay per project or by monthly subscription.
3.4/5
Commercial HVAC system sizing and hourly energy analysis tool covering 8,760-hour annual simulation, 7,400+ weather stations, and LEED compliance reporting for rooftops, VRF, chillers, and heat pumps.
3.2/5
Cloud-based mechanical and plumbing design platform that calculates pipe sizing, heat load, duct sizing, and drainage in real time as you draw, with AutoCAD and Revit integration.
3.0/5
ACCA-certified HVAC load-calculation platform covering Manual J, S, D, and N with a drag-and-drop drawing interface, mobile app, and energy compliance add-ons for residential and commercial projects.
2.8/5
Subscribe to Building Probable
Independent AEC + AI reviews & research, including MEP Design coverage -- the companion newsletter to buildingtech.pro.
Subscribe to Building Probable →