Munters heating and air conditioning company wanted a couple of their HVAC machines cutaway and made ready for animation

HVAC stage showing hot air in cool air out.

HVAC stage showing cool air in not air out.

Cutaway HVAC unit

Line art for the HVAC unit

Air flow in a typical cinema

Closed case used at the start of the animation

Complete cutaway unit without airflow

HVAC 2 cutaway airflow illustration

HVAC line art