A diffuser in HVAC is a device that delivers and ventilates conditioned air within an area. Mix indoor air and manage air output. It is also an important element of a compressor or pump. The purpose is to reduce the air diffuser flow rate leaving the impeller and causing an increase in pressure. A diffuser is a non-rotating channel whose flow area increases in the direction of flow.
The supply air diffuser has the function of drawing air from the outside environment and passing it through, and then into the indoor atmosphere. This process not only helps improve HVAC performance but also reduces energy waste. Using dampers, air diffusers control the amount of air flowing into a room or area of your choice and help control the direction of airflow. When the air comes directly from the duct, noise is sometimes produced. Air diffusers also reduce noise because air flows from the vents in different directions with minimal volume, reducing the noise process.