Life Safety Services You Can Trust

Category: Suppression

5 Variables That Influence The Price of a Clean Agent System

If you’re a general contractor, and your job is to provide fire protection to valuable equipment such as data centers, computer servers and computer rooms, then this post will help you understand why there is no definite price per square foot for a clean agent fire protection system.

First, we need to understand how a clean agent system works, and how this will throw a wrench into how much the system will cost.

How does a clean agent system work?

A clean agent fire protection system works by releasing a gas into an area (with the aim of reducing the amount of oxygen at the heat source.)

Fire needs three elements to burn: heat, fuel and oxygen. By removing any one of these, the fire will not burn.

So, once a computer room starts sending signals of a fire (usually from smoke), the smoke detector will signal an alert for the clean agent system to start releasing its gas, which will eliminate the oxygen the fire needs to burn. The reason a computer room would use a clean agent system as opposed to a water-based system, is that water will damage the electronics.

So now the question is, how much clean agent will I need for the system to work? And how much will it cost?

How much clean agent will you need?

Very different than a fire sprinkler system, where all you worry about is how much floor space you need to cover, the amount of clean agent you will need is determined by volume, not by area. But just because your computer room is 20×20 ft., doesn’t mean you need enough clean agent for 400 sq. ft.

There are plenty of variables that will determine the price of your clean agent system.

What variables will determine the price for a clean agent system?

1) Sub-Floor

If there is a sub-floor, the height is added to room in factoring the total volume for agent calculation.  Additional detection devices are installed in the subfloor, typically matching the ceiling layout.

2) Ceiling Void

If there’s a space above a ceiling void being used as a return air path (without duct work), additional agent and detection are required.

3) Doors

The number of doors affects the area because you must account for additional manual pull stations and abort switches, which not only includes cost in equipment, but also cost in labor for installation.

4) Dampers

Are dampers controlled off of releasing panels with relays? If so, dampers must close shut at discharge to maintain the integrity of the agent per volume.

5) Ceiling Height

This dimension is part of the overall volume calculation.  If the ceiling height increases, more agent is needed.  If it decreases, you may be over concentrating from your original calculation.


One of the most asked questions our special hazard technicians get is “how much per square foot is a clean agent system?” After this post, I hope it’s clear there is no definite price per foot for a clean agent fire protection system. There are just too many variables that can apply.

Why You Should Convert to a Nitrogen Fire Suppression System

nitrogen technician inspecting a pipe for a nitrogen fire suppression system

We ran into a case where a company had a leaky dry fire suppression system. For months and months, they were continually repairing the leaks. However, when is the right time for a total system replacement? And what should the replacement be?

Today, we’ll look at a real-life project of someone who had a struggling dry fire suppression system, who after careful thought and analysis, was given the suggestion to convert to a nitrogen fire suppression system.

Let’s dive in:


Fire Suppression Systems for Kitchens, Data Centers & more!

For facilities housing sensitive equipment, Data Centers, or commercial kitchens, all of which are at high risk for special types of fire hazards, Protegis Fire & Safety will install, service and inspect specialized fire suppression systems, including FM-200, other Special Hazards systems, and commercial Kitchen Hood Systems.

As a leader in technical proficiency and innovative approaches to fire suppression, Protegis’ engineers can design and install a system tailored to your facility’s specific requirements.  Protegis has kept sensitive facilities throughout the United States safe with a comprehensive range of fire protection systems:


For data centers, government buildings, hospitals and other facilities that need to safeguard delicate electronic equipment especially susceptible to the inherent side-effects of traditional water-based fire sprinkler systems, FM-200 is a popular and effective solution.

Special Hazards

Healthcare Facilities, Data Centers, Museums and Archives are a few of the type of facilities commonly requiring one of various Special Hazards suppression systems to guard against fire damage to especially-sensitive or valuable assets.

Kitchen Hood Systems

The constant presence of open flames in proximity to combustible elements like animal fats and vegetable oils make commercial kitchens one of the most common environments where fire suppression is critical.

Protegis provides fire suppression installation, repair and inspection throughout the United States.

UL 300 Fire Suppression Systems

UL 300 Fire Suppression Systems for Restaurant Kitchens

UL 300 Compliance

It’s time to take a radical stance on restaurant fire safety.

Automatic fire suppression systems for commercial kitchen hoods—called “restaurant systems” in the fire protection industry—have been required to comply with Standard UL 300 since 1994. Older non-UL 300 systems are not designed to handle fires in modern kitchens, and keeping one of these systems in place typically costs more than upgrading to a modern model. Despite these facts, a dwindling handful of commercial kitchen operators continue to hold onto their old systems. With 7,600 restaurant fires occurring annually in the US, that’s a poor bet to take. Click below to learn more.


The Ultimate Guide to Restaurant Fire Suppression Systems

chef giving the "ok" sign with a restaurant fire suppression system in the background

So, you went for a walk, and you wondered “If I ever decide to open a new restaurant, how would I even get started? I’m sure there are regulations to follow, papers to submit, etc.”

Today, I’m going to go through how one would open a new restaurant, as well as the fire protection issues and options that will arise.

What we’ll cover today is:

  • What happens before you open your doors?
  • How do you stay legal fire protection-wise moving forward?
  • What happens during a restaurant fire suppression inspection?
  • What insights are important in choosing the right fire protection company?
  • What’s the future of restaurant fire suppression?

Let’s begin!