Carmel Software's new Design-Build 6.0 is a suite of software programs that perform HVAC D-B analysis including load calculations, duct sizing, and cost estimating. The software includes the following data used by the various programs: construction types for 200-plus walls, roofs, floors, and windows; 200-plus ASHRAE fittings with pictures and pressure loss values; typical duct material, liner, and insulation types; and 50,000-plus HVAC parts database from major manufacturers.