Top 10 Best Radiant Floor Design Software of 2026

H2X is used to model room-by-room heating requirements and then translate those loads into underfloor heating layouts with tube circuit grouping. The workflow centers on specifying design water temperature targets and selecting tube circuit patterns that match spacing and zoning constraints. Output includes radiant heating schematic views and calculation-driven summaries that reduce manual copying across iterations. CAD-style export options support documentation handoff for drafting and coordination tasks.

A key tradeoff is that H2X focuses on hydronic design mechanics more than on deep BIM-centric geometry and multi-model coordination. Teams using it for early conceptual studies may find they must add separate estimating steps for commissioning documentation. H2X fits room renovation work where tube zoning, edge constraints, and temperature targets must be revised quickly across multiple layout options.

AutoCAD MEP fits teams that already run an AutoCAD-centric CAD process and need radiant floor drawings that match established company standards. It can document underfloor heating layout with reusable block assets, assign routing intent through MEP tooling, and manage schedule-style outputs via annotation and attributes. The toolset also integrates with Autodesk ecosystems for CAD file export paths used in coordination and review.

A key tradeoff is that AutoCAD MEP does not provide a dedicated radiant heating calculation engine comparable to purpose-built radiant design solvers, so teams must add heat-loss and temperature target work from separate tools or spreadsheets. It is a strong fit when the goal is to produce compliant radiant heating schematic deliverables and circuit documentation that tie back to engineering inputs rather than to recompute thermal outputs inside the CAD environment.

TSI’s workflow centers on hydronic radiant floor modeling that ties slab layouts to per-room requirements and then to deliverable circuit decisions like tubing runs and zoning boundaries. The tool’s documentation output focuses on readable radiant heating schematics and contractor-facing layouts, which reduces rework when designs move from estimating to installation. For teams that already standardize on specific components, TSI’s manufacturer-oriented setup cuts the gap between design intent and install-ready instructions.

A key tradeoff is that the strongest results come when project assumptions and product selections align with TSI’s intended configuration path. In practice, teams that need frequent template switching across many nonstandard assemblies may spend extra time revalidating floor-covering thermal inputs and boundary assumptions before issuing drawings.

Wrightsoft focuses on radiant floor design workflows for hydronic systems, with a CAD-centric approach to creating in-slab tubing layouts and schematics. The software is geared toward producing consistent room-by-room sizing outputs and circuit-level documentation that designers can carry into submittals.

Its differentiation is the way layout, hydraulics, and document outputs stay connected across the same project rather than living in separate tools. Integration depth depends on export formats and how well local CAD and drafting standards match Wrightsoft’s output structure.

CYPEHVAC Radiant Floor calculates hydronic underfloor heating layouts from room and construction inputs into circuit-level results for tube routing and thermal output. It generates radiant heating schematics and exportable CAD outputs used for coordination with MEP drawings.

The tool also supports edge and perimeter effects through selectable construction elements and room-by-room thermal checks. Its workflow is geared toward in-slab tubing layout planning and design water temperature selection rather than scripting or parametric batch design.

InstalSoft is radiant floor design software used for producing hydronic radiant heating layouts and schedules tied to job-ready documentation. It focuses on room-by-room heat-loss planning, circuit and manifold setup, and exporting drawings and schedules used during engineering and construction handoff.

The workflow supports hydronic design decisions like tube routing, circuit length checks, and water temperature inputs that feed thermal output results. InstallSoft also supports BIM and CAD export so designers can move geometry and key calculations into downstream detailing tools.

LoopCAD is a radiant floor design tool focused on turning room layouts into hydronic-ready in-slab tubing layouts and circuit planning. It emphasizes workflow consistency for placing tubes, defining loop boundaries, and generating schedules that support manifold and zoning decisions.

The software also supports export of CAD-based deliverables for drawing integration in project documentation. LoopCAD’s distinct value is the end-to-end designer workflow from layout to circuit documentation rather than separate sketch tools and reporting tools.

HeatingDesign is radiant floor design software focused on laying out hydronic radiant systems and producing design outputs for room-by-room planning. It supports in-slab tubing layout work and generates the thermal sizing artifacts needed for underfloor heating layout documentation.

The workflow centers on converting input assumptions into circuit and zoning outputs, with an emphasis on design traceability across rooms. CAD or BIM export capabilities exist for handoff, but they are not the deepest automation layer compared with tools that integrate directly with commissioning workflows.

Audytor SET calculates and documents hydronic radiant floor designs by tying room-by-room heat-loss inputs to in-slab tubing layouts and circuit outputs. It focuses on generating a radiant heating schematic and design documentation for underfloor heating projects rather than offering general-purpose HVAC modeling.

Its workflow supports configuration of zones, circuits, manifold-related outputs, and temperature assumptions to produce buildable drawings and schedules. Export and file handoff are oriented around design documentation that can be reviewed and reused across related projects.

LINEAR is a radiant floor design tool from linear.eu with a workflow focused on creating hydronic in-slab heating layouts and room-level documentation. It supports circuit planning with loop zoning, spacing, and manifold-related outputs aimed at installer-ready schematics rather than general-purpose drafting.

The design process centers on producing thermal design inputs and layout drawings that can be carried into documentation packages. Integration and automation depth are limited in ways that matter when coordinating with BIM authoring tools or downstream estimating systems.