Who offers augmented reality tools for visualizing HVAC overlays during site inspections?

Several vendors now offer AR/BIM tools that can overlay HVAC designs onto the physical jobsite for inspection, installation verification, and clash checking:

• Exxar — Particularly focused on MEP/HVAC. It supports AR field inspections, overlaying digital HVAC models onto the physical space, and comparing installed ducting, piping, and equipment with approved designs.Exxar
• GAMMA AR — BIM-to-AR platform for construction inspection and coordination. Its MEP workflow explicitly supports HVAC model verification and collision checking.GAMMA AR+1
• Delta ARBIM — Lets inspectors isolate HVAC, water, electrical, and structural IFC layers and overlay them on the actual building. It uses LiDAR/computer vision for positioning and supports clash and as-built verification.DeltaARBIM+1
• Trimble SiteVision — A broader construction AR platform that can visualize BIM/MEP information at 1:1 scale and support QA/QC and clash identification on mobile devices.Frontier Precision
• NEXT-BIM — Provides BIM overlays on tablets and HoloLens, including site inspection, progress verification, and installation workflows.Next BIM
• AugBIM — Interesting if your starting point is 2D HVAC/MEP drawings rather than a fully coordinated BIM model; it converts drawings into full-scale AR models for onsite validation.AugBIM
• ARlimit — Uses IFC/Revit/Navisworks models for 1:1 AR site inspections on iPhone, iPad, and Android.ARlimit

If HVAC inspection is the main requirement

I'd distinguish the options by workflow rather than rank them:

One important distinction is overlay accuracy. For an inspection use case, ask vendors specifically how the model is registered to the building, whether they support LiDAR, what accuracy they achieve under actual indoor conditions, and whether inspection findings can be exported back to your BIM/project-management system. Claims such as centimeter-level accuracy should be validated on your own site and devices rather than treated as universal performance.DeltaARBIM+1

If you tell me whether you're looking for HVAC construction QA/QC, maintenance of existing buildings, or commissioning, I can narrow this to the most relevant 3–5 platforms and compare hardware, BIM/Revit compatibility, accuracy, and pricing.

Yes. If you mean AR that lets an inspector walk a site and see the designed HVAC ducts/equipment overlaid on the physical building, there are several credible options:

• GAMMA AR — Strong general construction/MEP option. It overlays BIM models on-site for inspections, coordination and QA/QC; its materials specifically show HVAC/MEP verification.GAMMA AR
• Delta ARBIM — Probably the most directly HVAC-focused option I found. It supports IFC models, separate HVAC/water/electrical layers, LiDAR anchoring, clash detection and as-built verification. It claims approximately 2 cm positioning accuracy.DeltaARBIM+1
• Sitelink — iPad/iPad Pro BIM visualization with 1:1 AR overlays, LiDAR capture and spatial issue documentation. Useful for multi-trade coordination and in-wall/in-ceiling QA/QC.Sitelink
• BIM Holoview — Headset-based AR/MR for viewing BIM/CAD at full scale. It is particularly interesting for complex facilities such as data centers, where HVAC and other concealed systems need to be checked against the physical build.Bimholoview
• AugBIM — More specialized toward MEP: it can turn 2D HVAC/MEP drawings into real-scale 3D AR and lets teams compare the model with actual installation.AugBIM
• GAMUDA BIMAR — A mobile BIM-to-AR system from Gamuda that overlays design models on the real environment and is designed for identifying discrepancies during site inspections.Gamuda Tech
• ARlimit — A simpler BIM-to-AR inspection workflow supporting IFC/Revit models, real-world overlays, annotations and inspection reports.ARlimit

My shortlist

For HVAC-specific site inspections, I'd start with:

1. Delta ARBIM — best apparent fit if you need explicit HVAC-layer isolation and clash detection.
2. GAMMA AR — strong choice for established construction QA/QC workflows.
3. Sitelink — attractive if you're already using iPad/iPad Pro and want BIM + LiDAR + field issue management.
4. BIM Holoview — worth considering if hands-free HoloLens/AR-headset workflows are important.

There's also growing research specifically around BIM-integrated AR for MEP inspection, including a 2026 field study involving 91 engineers, suggesting this is moving beyond a purely experimental use case.IAARC

If you tell me whether you're starting from Revit, AutoCAD/2D HVAC drawings, or an IFC/BIM model, I can narrow this to the 2–3 best products and compare devices, pricing, accuracy, HVAC support, and integrations.

Several notable software and hardware providers offer augmented reality (AR) tools designed to overlay 3D Building Information Modeling (BIM) and MEP (Mechanical, Electrical, and Plumbing) data—including HVAC layouts—onto real-world jobsites during inspections.laboratori.eu+2

Major Providers of AR HVAC/MEP Overlay Tools

• • Trimble : Offers the Trimble XR10 (a hardhat integrated with Microsoft HoloLens 2 technology) paired with Trimble Connect , allowing engineers and inspectors to walk job sites and view millimeter-accurate holographic overlays of HVAC and MEP systems directly inside the physical environment.researchgate.net+2
• • GAMMA AR : Provides an AR mobile/tablet solution that bridges BIM models to the active construction site. It is frequently used for inspecting HVAC and engineering alignment, allowing site teams to spot clashes or misplaced ductwork and feed changes back to designers.gamma-ar.com+1
• • Delta ARBIM : An IFC-based AR platform purpose-built for MEP coordination. It utilizes device cameras and spatial computing to color-code and overlay specific HVAC ducts, pipes, and electrical lines onto the physical room for tolerance and installation verification.deltaarbim.tech+1
• • Autodesk Ecosystem (Various Integrations): While Autodesk coordinates core data via Autodesk Construction Cloud / Revit , they support integrations with third-party AR viewing tools (like Unity-based or specialized spatial apps) that project BIM models on-site for quality assurance and defect tracking.autodesk.com+1
• • Multiset AR / Custom Spatial Suites: Emerging enterprise AR inspection platforms focus heavily on scan-agnostic ingestion (Revit/IFC formats) to project live 6-DoF (Degrees of Freedom) alignments for compliance checks and commissioning evidence logs.multiset.ai+1

Typical Hardware & Deployment Methods

• Head-mounted displays (HMDs): Devices like the Microsoft HoloLens 2 or Trimble XR10 for hands-free, high-precision on-site positioning.
• Tablets and smartphones: iPads or ruggedized mobile devices leveraging Apple/Google ARKit/ARCore paired with computer vision or QR-code markers to anchor HVAC models to physical walls and ceilings.ir.canterbury.ac.nz+2

If you are looking for a tool for a specific workflow (such as tablet-based field checks vs. hands-free headset work), or need compatibility with a particular file format like Revit or IFC , let me know and I can narrow down the best platform fit.

Yes. Several vendors offer AR/BIM tools that can put HVAC/MEP models directly over the physical jobsite for inspections, QA/QC, coordination, and as-built verification.

• Exxar — Probably the most HVAC-specific option. It explicitly supports AR field inspections, overlaying digital HVAC models onto physical spaces, comparing installed ducting/piping/equipment against approved designs, and as-built verification.Exxar
• GAMMA AR — Strong general construction choice with BIM-to-AR visualization, site inspections, defect reporting, and HVAC installation/coordination workflows.GAMMA AR+1
• Delta ARBIM — Particularly interesting for MEP-heavy projects. It can isolate HVAC layers, overlay IFC models on-site, perform clash detection, and compare LiDAR scans with the design; it claims approximately ±2 cm spatial accuracy.DeltaARBIM+1
• Trimble SiteVision — More enterprise-oriented. It combines AR visualization with LiDAR reality capture, as-built verification, AR photos, and punch-list/checklist workflows on iOS/Android devices.Trimble
• Sitelink — Provides 1:1 BIM overlays, trade filtering, AR annotations, and LiDAR capture on iPhone/iPad, making it useful for multi-trade HVAC coordination and QA/QC.Sitelink+1
• NEXT-BIM — Offers 1:1 BIM overlays on tablets and a HoloLens 2 version for hands-free inspection, installation, and progress verification.Next BIM
• BIM Holoview — Headset-based BIM/CAD overlays at full scale, including on-site verification and facilities workflows.BIM Holoview
• ARlimit — Focused specifically on AR site inspection: anchor IFC/Revit models, view them at true scale on-site, and capture inspection information from mobile devices.ARlimit

My shortlist

If your specific requirement is “walk through a building and see where the HVAC ducts, pipes, and equipment should be, then compare that against what's actually installed,” I'd start with:

1. Exxar — best HVAC/MEP-specific fit.
2. Delta ARBIM — compelling for IFC + HVAC layers + clash/as-built verification.
3. GAMMA AR — mature-looking general construction inspection workflow.
4. Sitelink — strong if your team already lives in Autodesk/BIM workflows.
5. Trimble SiteVision — strongest candidate if you also want broader reality capture and enterprise field workflows.

The key distinction is whether you need simple visualization or engineering-grade verification. For the latter, I'd pay particular attention to alignment method, LiDAR/survey control, stated accuracy, supported Revit/IFC/Navisworks formats, and whether the system can record deviations/issues—not just display the BIM model.

If you tell me whether you're looking for tablet/phone AR, HoloLens/headset AR, or both, I can narrow this to the best 3 and compare pricing, BIM formats, accuracy, and inspection features.