The core functions of an HVAC system

1. Controlling micro-organisms, particles in the air and dust. A working HVAC system has to primarily control dust, which is eliminated through filtration. Dust can be a cause of contamination in the manufacturing process if not taken care of. Airborne particles that are found in the air can also interfere with the manufacturing process and result in contamination. Micro-organisms are also a potential threat to the successful processing of pharmaceuticals since the environment in the plant should be sterile. All these are eliminated through the HEPA systems.

2. Maintaining the right temperature in the production spaces. Temperature is very key in any pharmaceutical industry. if the temperature is not well controlled, it may cause micro bacteria to grow in the spaces or on workers, which may affect their health adversely.

3. Maintaining the right pressure in the room. In the pharmaceutical industry, there are areas and surfaces that must be kept cleaner at all times. These areas must, therefore, be kept at a positive pressurization at all times. The air floor at these areas should be more at the opening areas. The HVAC system ensures that positive pressurization is achieved by keeping the air flower into the clear spaces more than the air that exits at the same time. this ensures that there is no chance or space for the growth of micro-organisms.

4. Maintaining the right relative humidity. Controlling the moisture in the manufacturing spaces is achieved by the installation of desiccant dehumidifiers. Having the right humidity levels in the space is key to manufacturing stable drugs. The correct relative humidity is usually needed to ensure that tablets are well manufactured.

The main reason why each pharmaceutical industry strives to have a working HVAC system is to ensure that the quality of the products they manufacture is not compromised. Also, the manufacturing process sometimes includes emission of harmful by-products such as gases. This is controlled by these systems through proper ventilation. With that in mind, we can say that working HVAC systems are part of upholding the health and safety of operators.

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