3 Things to Look for in a Cleanroom HVAC System

The HVAC system in your cleanroom plays an invaluable role in keeping potential contaminants at bay. Therefore, you want to be sure that you find the right one for your business to avoid any unintended contamination. There are some key factors to pay attention to when deciding which cleanroom HVAC system to choose for your operation.

Your Ideal Environment

The most important thing you need to know before shopping around for a cleanroom HVAC is the environment you wish to create. In addition to the ISO class, or the level of cleanliness you need to achieve, you should know the required temperature, pressure, filtration, air change rates and humidity control. Every company and project has different requirements as to how much contamination they allow into their cleanroom. You might even find that you require a system that can do more than one setting, depending on your operation. By taking a moment to determine your criteria for your cleanroom, you will have a list of necessary features for your HVAC system.

Space

One functional calculation you must make before choosing a unit or system is the space you have available. Most companies install their cleanroom HVAC unit close to the room, such as on the floor outside or on the roof. Not only do you need to consider how large a unit you can fit into the space but also whether it needs to sit horizontally or vertically. If you have ample space, you might even be able to get a unit that is walk-in, which makes any repairs or maintenance much easier.

Air Flow Pattern

The design of your cleanroom impacts the way in which you can have the airflow from the cleanroom HVAC. Most companies choose from one of the three common designs: unidirectional, non-unidirectional or mixed. As its name implies, unidirectional, also known as laminar, sends the air in one direction with nothing in its way. This can be either sideways or downwards. A non-unidirectional flow, also known as turbulent flow, means there are airstreams that do not run parallel to one another. Mixed flow designs might have two separate air flows in the clean room: one that flows parallel and one that does not.

There are many options on the market for a specialty HVAC unit that creates the ideal environment for your cleanroom. It is important to find one that has the capacity to meet the level of cleanliness your room needs for the work that you intend to do. One thing is for sure; if you design a cleanroom, you must have an HVAC system that is up to the task.

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Created on Nov 9th 2017 23:48. Viewed 385 times.

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