Residential HVAC Designer Pro

Design complete residential HVAC systems from start to finish. Residential HVAC Designer Pro guides you through a professional 14-step design workflow using ACCA Manual J, Manual S, and Manual D calculation methods - the same standards used by licensed HVAC engineers. WHAT THE APP DOES Enter your project details step by step: building dimensions, insulation levels, window data, climate zone, room layout, internal loads, and infiltration. The app automatically calculates heating and cooling loads for every room, selects appropriately sized equipment, designs your duct system, and generates a complete permit package. KEY FEATURES 14-step guided design wizard Manual J heating and cooling load calculations per room Manual S equipment selection with sensible heat ratio matching Manual D duct sizing with velocity and pressure drop checks Supply register and return grille scheduling Zoning system support Complete permit package with all calculation reports Duct layout drawings and riser diagrams Material takeoff with quantities Energy code compliance notes Save and manage multiple projects WHO THIS APP IS FOR Residential HVAC Designer Pro is built for HVAC contractors, mechanical engineers, energy auditors, building inspectors, and homeowners who want to understand how their HVAC system is sized and designed. Whether you are designing a new system, replacing existing equipment, or checking a contractor's work, this app gives you the tools professionals use. DISCLAIMER This app is intended as a design aid and educational reference. All calculations should be reviewed by a licensed mechanical engineer or qualified HVAC professional before construction or equipment purchase. Results are based on user-entered data and standard ACCA methodology. The developer makes no warranty regarding the accuracy or completeness of any calculation output.