Current service
Air Duct Sizing
Size residential supply and return duct systems using effective length, available static pressure, friction rate, room design loads, and runout/trunk airflow. Projects can remain independent or import room-by-room loads from an existing EnerXCo F280 project.
Critical-path effective length
Visual fitting references
Friction-rate validation
Runout and trunk sizing
F280 room-load import
Floor-plan duct layout
Current service
Heating & Cooling Load Calculation
Use a structured online workflow to organize residential project inputs, design conditions, building envelope data, room-by-room information, ventilation details, and heating/cooling load summaries.
Project setup
Weather/design conditions
Building geometry
Assemblies
Room-by-room inputs
Report-ready summaries