Knox Fire Extinguishers
Fire Protection, CO₂, & Dry Ice Done Right the First Time
Reliable, certified fire safety services and specialty solutions for homes and businesses across the Knoxville area. From inspections and installations to refills and testing, you’ll get honest answers, fast service, and work done the right way every time.
Certified
Insured
Trusted
About Us
Local. Honest. Qualified.
Here When You Need Us.
Knox Fire Extinguisher was built to serve the Knoxville community with dependable fire protection and specialty services you can trust. As a locally owned and operated company, we take pride in doing what we say we will—at a fair price and with a level of care that larger companies often overlook.
We understand that fire safety and compliance can feel overwhelming. That’s why we focus on making the process simple, clear, and stress-free. Whether you need a new system, routine maintenance, or help understanding requirements, we’re here to guide you every step of the way.
Our team is fully trained and properly certified to perform the work we offer. We don’t cut corners, and we don’t make promises we can’t keep. We show up, do the job right, and stand behind our work.
Certified Team
Locally Owned
Brands
Here When You Need Us.
We proudly work with trusted fire protection brands known for reliability, safety, and performance.
Products & Services
Complete Fire Protection & Specialty Services
Everything you need in one place—installation, inspection, maintenance, refills, and specialty services—all handled by a trusted local team.
Commercial Fire Extinguishers
Ensure your commercial property is properly equipped and up to code with commercial-grade fire extinguishers. We provide sales, installation, inspections, and ongoing maintenance to keep your fire equipment ready and compliant. We keep you up to date with regulations and insurance guidelines.
From selecting the right type & placement to keeping everything up to date with regulations, we make sure nothing is missed —so you can operate with confidence. #1 Ansul dealer in the area.
Residential Fire Extinguishers
Protect your home and loved ones with the right fire extinguishers placed where they matter most. We help you choose, install, and maintain residential units that are easy to use and ready when needed. This is the cheapest insurance you will ever purchase.
Simple, effective protection—without confusion or guesswork.
CO₂ Services & Refills
Reliable CO₂ supply, refills, and system support for a wide range of needs. Whether you’re running equipment, maintaining systems, or refilling tanks, we provide fast turnaround and consistent service you can count on. We service large CO2 systems for McDonald’s, Wendy’s, Burger King, and many more. Large or small we can do it.
We also support carbonation systems and ensure everything is set up and functioning properly
Fire Suppression Systems
Professional installation, inspection, and servicing of fire suppression systems designed to protect your restaurant. We ensure your system is properly installed, fully operational, and compliant with all necessary requirements. We are a fully authorized Ansul, Amerex, Pyro-Chem and Captive Aire dealer.
When it matters most, your system needs to work instantly—and correctly. We make sure your restaurant is covered.
High Pressure Hydrostatic Testing
Certified high-pressure hydrostatic testing for cylinders to ensure safety, compliance, and proper performance. We test cylinders to meet DOT requirements and confirm they are safe for continued use.
We specialize in testing CO₂ cylinders and also provide refilling services after testing —making the process simple and efficient from start to finish.
Dry Ice Supply
Dependable dry ice supply for a wide range of applications, including shipping, storage, cooling, and specialty use cases. We offer three types of dry ice including block, shipping pellets, and blasting pellets for cleaning machines. Whether you need a small amount or a larger quantity, we provide consistent availability and quick access.
When timing matters, you can count on us to have what you need—ready when you need it.
Contact Us
Get the Help
You Need—Fast
Whether you have a question, need service, or
aren’t sure where to start, we’re here to help. Reach out and we’ll guide you through exactly what you need—no pressure, no confusion.