h2x is a mechanical, electrical, and plumbing (MEP) engineering design platform that helps professionals design, calculate, and document building services systems. The software provides integrated tools for HVAC, plumbing, hydronic heating, drainage, gas, and fire protection system design. Its automated calculations support pipe sizing, duct sizing, heat load analysis, flow rates, pressure drops, and equipment requirements. Engineers can create system layouts and receive updated calculations automatically as design elements change. h2x also provides 3D visualization, engineering reports, bills of materials, and exports to AutoCAD, Revit, and PDF formats. The platform is designed to streamline building services engineering workflows by combining technical calculations, system design, and project documentation in one environment.