Building Trades

Size round, rectangular and flat-oval HVAC ducts; check airflow capacity, velocity, friction and available pressure with editable assumptions and reports.

Estimate a one-zone cooling load, compare nominal mini split sizes and check your own design cooling and heating loads.

Plan recessed-light grids, fixture count, beam spacing and wall-wash rows from explicit room and product inputs.

Estimate bare pipe weight and fluid-filled operating weight from actual dimensions, material density and piece count.