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At its core, Bentley Systems is a software development company that supports the professional needs of those responsible for creating and managing the world’s infrastructure, including roadways, bridges, airports, skyscrapers, industrial and power plants as well as utility networks. Bentley delivers solutions for the entire lifecycle of the infrastructure asset, tailored to the needs of the various professions – the engineers, architects, planners, contractors, fabricators, IT managers, operators and maintenance engineers – who will work on and work with that asset over its lifetime. Comprised of integrated applications and services built on an open platform, each solution is designed to ensure that information flows between workflow processes and project team members to enable interoperability and collaboration.

What’s New

Architects: Modeling Doors, Windows & Stairs

AECOsim Building Designer

Architects: Modeling Walls, Roofs and Frame

AECOsim Building Designer


Why i-models are RIGHT for you

Why AECOsim?

Building Designer

Design, analyze, document, and visualize buildings of any size, form, and complexity. Effectively communicate design intent and bridge barriers between building disciplines and geographically distributed teams. AECOsim Building Designer provides BIM advancements so you can deliver high-performance buildings faster and with greater confidence – confidence in your design, workflow, tools, and deliverables

Multi-discipline: Increase collaboration among architects, mechanical, electrical, and structural engineers with a shared set of tools and workflows

Interoperability: Integrate information you have from multiple formats and easily work on projects of any size

Information-rich deliverables: Clearly communicate your design intent with reliable deliverables that you can easily customize

Unrestrictive design environment: Model anything with total freedom from buildings with simple to highly complex geometry and designs

Building performance: Simulate buildings and predict real-world performance of the asset quickly and with precision to explore various options for iterative refinement

Key Features

Expert Advice

Analyze building system performance

Simulate real-world performance and evaluate building system performances so you can quickly discover the best design choices. Inform early design decisions with conceptual energy analysis that provides peak loads, annual energy calculations, energy consumptions, carbon emissions, and fuel costs.

Expert Advice

Unified Environment to Resolve Clashes

AECOsim Building Designer is a single multi-discipline building design application that enables BIM and integrates architectural, structural, M&E design disciplines and practices. This enables building teams to work within a unified design environment with a shared set of tools and workflows. You can run the built-in clash detection tool to coordinate your design with other disciplines throughout the design phase

Expert Advice

Design across a variety of disciplines

Develop and design buildings and facilities. Model steel, concrete and timber structures. Design complex MEP systems to achieve high-performance buildings

Expert Advice

Generate building documentation and reports

Produce high-quality and reliable documents directly from your intelligent building model. Ensure that drawings are up to date and accurately represent your design by publishing design model views. Link specifications, engineering calculations, and equipment documentation to models and drawings to support building operations.

Expert Advice

Refine design alternatives

Iterate designs quickly by dynamically modeling or manipulating geometry. Discover more possibilities and explore a broad range of "what-if" alternatives in less time. Design with freedom and model anything of any form, size, and complexity without restrictions and limitations.

Expert Advice

Visualize building designs

Produce visualizations of models and further refine potential designs. Generate images and animations with life-like detail and high-end photo realistic renderings with no need for additional software.