Electrical BIM & VDC Training Program Applications are Open | APPLY NOW

Overhead duct layouts that fit before installation begins

Ceiling zones fill quickly with ductwork, piping, cable trays, and structure competing for space. Our BIM models organize duct routing within real project conditions, so systems install without clashes or last-minute adjustments.

Speak with our Principal Engineer

Trusted by the best

How overhead duct routing is resolved before fabrication

Ductwork moves through tight ceiling zones alongside piping, cable trays, and structure. This walkthrough shows how routing, clearances, and supports are coordinated in BIM before fabrication begins.

Ductwork runs where space is already limited

Overhead ducts compete with piping, cable trays, lighting, and structure. Without coordination, routing conflicts lead to rework and delays. Our BIM models plan duct layouts before installation begins.

  • Routing paths resolved within ceiling zones Duct runs positioned around structural beams and service corridors
  • Access and clearance zones maintained Spacing planned for insulation, maintenance, and adjacent systems
  • Fittings and transitions modeled accurately Offsets, reducers, and bends aligned with real installation conditions
  • Layouts prepared for fabrication and install Drawings and models structured to match site execution

What every duct modeling package includes

From ceiling coordination to fabrication detailing, our duct layouts are built for constructability and installation.

  • Complete duct network models – Supply, return, and exhaust systems developed in 3D with accurate connectivity across all zones
  • Fittings and transition detailing – Bends, reducers, and offsets defined to match fabrication requirements
  • Support and hanger planning – Suspension points arranged based on duct dimensions, routing conditions, and load
  • Multi-trade coordination views – Duct paths checked against structure, piping, and electrical systems
  • Annotated layout drawings – Duct sizes, levels, and system identifiers clearly marked for site use
  • Construction-level BIM outputs – LOD 350–400 models prepared for shop drawings and installation workflows

How we model overhead duct systems

From kickoff to final documentation, our BIM workflow is built for accuracy, efficiency, and compliance.

  1. Design review HVAC layouts and requirements analyzed
  2. Duct modeling Routing developed with sizing, transitions, and elevations
  3. Coordination Aligned with structure and MEP systems
  4. Prefab planning Layouts structured for fabrication and installation
  5. Delivery LOD 350–400 drawings issued for construction

Inside our overhead duct coordination models

  • Ceiling-level duct routing showing paths across congested service zones
  • Coordination views highlighting resolved clashes with piping and structure
  • Section cuts illustrating duct elevations, spacing, and clearance zones
  • Fabrication-ready drawings with sizes, transitions, and support details

Built for teams coordinating overhead duct systems

Ductwork impacts multiple trades across ceiling spaces. Our models support teams responsible for coordination and installation.

  • HVAC contractors installing overhead duct systems
  • BIM coordinators managing multi-trade ceiling coordination
  • General contractors overseeing inspections and sequencing
  • Field teams working from coordinated duct layouts

When duct layouts aren’t coordinated, installs slow down

Uncoordinated ductwork leads to clashes, delays, and field adjustments. Our BIM models prevent those issues before fabrication.

The old way

The Eracore Way

Request your duct modeling sample

See how well-coordinated duct models translate to faster installs and fewer field issues.

Eracore: RFP(REQUEST FOR PROPOSAL

Where Projects
Speak for Themselves.

A closer look at builds where collaboration ran deep and precision paid off, turning complex scopes into field-ready success stories.

Duct layouts that hold up during installation

Because coordination only works if the model reflects real site conditions.

  • Routing planned around actual ceiling congestion, not assumed space
  • Transitions and fittings defined based on fabrication constraints
  • Support systems aligned with structure before installation begins
  • Coordination resolved in BIM, not during site execution
  • Deliverables structured to match shop drawings and field workflows

 

Every duct layout is developed to match how it will be installed, not adjusted after.

Start building with confidence

Stop guessing in the field, get duct layouts modeled to install right the first time.

FAQs

  • What are overhead sheet-metal ducts in HVAC systems? 

    The major air distribution systems that are installed above ceilings or are exposed in the mechanical areas are overhead sheet-metal ducts. They distribute conditioned air all over a building and are designed to make sure that the air flows out in the right direction, clearances and the coordination of other systems.

  • How does BIM improve sheet-metal duct modeling? 

    BIM enhances the sheet-metal duct modeling because it allows accurate coordination of the MEP trades. HVAC system designers are able to view the routing of the duct, space constraints, and clashes, and remove them prior to fabrication or installation, by using 3D duct modeling of the duct.

  • What are the benefits of coordinated overhead duct layouts? 

    Coordinated overhead duct routing will make sure that ducts, pipes and conduits do not interfere with each other in space. It minimizes reworks, enhances the performance of airflow, sustains prefabrication and speeds up the project schedule with correct, ready-to-install outputs.

  • Can you provide clash-free underground piping layouts?

    Yes. The Revit duct modeling services are capable of providing an extremely detailed model of ducts, fittings, hangers and supports. It allows designers to use fabrication criteria, keep code and create a shop drawing out of the model.

  • How does BIM help reduce rework during duct installation?

    BIM detects clashes and alignment problems at an early stage of the design process by coordinating mechanical ducts at an earlier stage before ducts are manufactured. This will guarantee accurate installation, less site adjustment, and less material or labor wastage.

  • What details are included in coordinated duct drawings? 

    The coordinated HVAC duct drawings contain duct dimensions, heights, type of connections, air flows, supports, and insulations. These are drawn out of meticulously made BIM models, and fabricated, installed and inspected.

  • How are overhead ducts coordinated with electrical and plumbing systems? 

    HVAC duct layout BIM has been used to model the ducts through conduits, piping, and cable trays without interference. The BIM model checks clearances, spacing of hangers and access paths that allow smooth coordination between the MEP disciplines.

Resources and Insights

Discover insightful articles featuring BIM strategies, industry trends, practical tips, and software tricks, and more to keep you ahead of the curves.

Next Steps

You can also schedule a call to discuss your project details