A DX coil HVAC is a type of heating, ventilation, and air conditioning system that utilizes a direct expansion (DX) coil to cool air. This type of system is often used in commercial and industrial buildings, as well as in some residential applications. The DX coil is the main component of the system, and it works by taking in warm air from the environment and passing it through a refrigerant-filled coil. As the air passes through the coil, the refrigerant absorbs the heat, cooling the air before it is pushed back into the environment. This process is repeated until the desired temperature is reached. The DX coil HVACHVAC system is highly efficient and cost-effective, making it a popular choice for many applications. It is also easy to maintain and can be used in a variety of settings.