Data Center Fire Protection Calculator

Clean agent system sizing for IT room protection.

Room length (ft)

Room width (ft)

Ceiling height (ft)

Clean agent type

Fire class

Raised floor height (in)

Tab to move between fields

Agent required (lbs)

314

Cylinders needed

Protected volume (cu ft)6,900

Design concentration (%)7.9

Total discharge nozzles2

Overhead nozzles1

Subfloor nozzles1

Max discharge time (sec)10

VESDA detectors recommended1

Estimated installed cost ($)$14,129.00

Agent NameFM-200

How to Use This Calculator

Enter Room length (ft), Room width (ft), and Ceiling height (ft).
Set Clean agent type, Fire class, and Raised floor height (in).
Review Agent required (lbs) and Cylinders needed.
Use Protected volume (cu ft) and Design concentration (%) to inform your decision.

How the result changes with Room length (ft)

Room length (ft): Length of the IT room or data center.
Room width (ft): Width of the IT room.
Ceiling height (ft): Floor-to-ceiling height (above raised floor).
Clean agent type: 1=FM-200 (HFC-227ea), 2=Novec 1230 (FK-5-1-12), 3=Inergen (IG-541).
Fire class: 1=Class A (surface fires), 2=Class C (energized electrical — typical for data centers).
Raised floor height (in): Height of raised floor plenum. 0 if no raised floor.

Agent required (lbs): Total clean agent weight per NFPA 2001 concentration formula.
Cylinders needed: Number of storage cylinders required.
Protected volume (cu ft): Total volume including room and subfloor plenum.
Design concentration (%): Required agent concentration per NFPA 2001 for the selected agent and fire class.
Total discharge nozzles: Overhead + subfloor nozzles.
Overhead nozzles: Nozzles in the ceiling space.
Subfloor nozzles: Nozzles in the raised floor plenum.
Max discharge time (sec): NFPA 2001 max: 10 sec (halocarbons), 60 sec (inert gas).
VESDA detectors recommended: Very early smoke detection units (~1 per 2,000 sq ft).
Estimated installed cost ($): Rough cost estimate including agent, piping, and installation.

Identify Input Parameters
4 parameters
Room length (ft) = 30, Room width (ft) = 20, Ceiling height (ft) = 10, Clean agent type = 1 = 6 input(s) provided
Calculate Agent required
Agent required
314 = 314
Calculate Cylinders needed
2 = 2
Calculate Protected volume
Protected volume = roomVolumeCuFt + subfloorVolumeCuFt
6900 = 6900
Calculate Design concentration
7.9 = 7.9