CompTIA Network+ Practice Test

Which system is commonly integrated into HVAC for fire suppression?

1. Water sprinklers

2. Based on smoke detectors only

3. Inert gases and chemical agents

4. Auto shut-off valves

The correct answer is: Inert gases and chemical agents

Integrating a fire suppression system into HVAC (Heating, Ventilation, and Air Conditioning) often involves the use of inert gases and chemical agents. This method is preferred in certain environments, especially where traditional water-based systems could cause damage to sensitive equipment, such as in data centers, server rooms, or archives. Inert gas fire suppression systems, like those using argon, nitrogen, or carbon dioxide, effectively reduce the oxygen level in the room to prevent combustion without leaving harmful residues. Chemical agents, such as FM-200 and Novec 1230, are also common and function by interrupting the chemical reaction of a fire. These solutions are ideal in scenarios where protecting valuable assets from both fire and water damage is critical. Other methods for fire suppression might involve water-based systems, but those can lead to significant damage in many industrial or specialized settings, which is why inert gases and chemicals are often favored for integration with HVAC systems.