A CO2 fire extinguisher typically costs $100-$500 for a new portable unit, with an average price near $250; larger wheeled models can exceed $1,000. Capacity, approved listing, mounting hardware, delivery, and required inspection or service affect the final bill.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| 5-lb portable extinguisher | $100 | $140 | $180 | Purchase price before tax |
| 10-lb portable extinguisher | $150 | $225 | $300 | Common commercial size |
| 20-lb portable extinguisher | $250 | $375 | $500 | Heavier unit, larger discharge capacity |
| 50-lb wheeled unit | $900 | $1,350 | $1,800 | Price varies with model and configuration |
| Recharge or refill | $30 | $60 | $100 | Portable units; inspection or parts may add charges |
Assumptions: U.S. retail and service estimates for standard commercial equipment, before tax; local labor and availability vary.
What a New CO2 Extinguisher Costs by Capacity
For a standard portable extinguisher, buyers commonly pay $100-$180 for a 5-pound model, $150-$300 for a 10-pound model, and $250-$500 for a 20-pound model. Midrange examples are about $140, $225, and $375, respectively. These estimates assume a new, listed unit with a standard wall bracket and no installation.
Capacity is the clearest price driver: a larger cylinder costs more and weighs substantially more when full. A 50-pound wheeled CO2 extinguisher generally runs $900-$1,800, reflecting its larger cylinder, cart, and specialized discharge equipment. Confirm that the selected model is approved for the intended application, rather than choosing by capacity alone.
CO2 is commonly used on energized electrical equipment and certain flammable-liquid fires, but it is not a general-purpose choice for ordinary combustibles such as wood or paper. Discharging CO2 can also create an asphyxiation hazard in confined spaces. Site hazards and applicable fire codes determine whether the type and size are appropriate.
How Cylinder, Bracket, and Labor Shape the Quote
A purchase quote may include more than the cylinder. The table separates typical price components; supplier and service arrangements affect which charges are bundled. Installation labor is usually for mounting and basic placement, not a site-wide fire protection assessment.
| Quote component | Typical price | What it covers | Pricing basis |
|---|---|---|---|
| CO2 extinguisher | $100-$500 | Portable 5-20 lb listed unit | Per extinguisher |
| Wheeled 50-lb unit | $900-$1,800 | Cylinder, cart, hose and horn | Per unit |
| Wall bracket or cabinet | $15-$120 | Bracket or basic protective cabinet | Per mounting point |
| Mounting labor | $50-$150 | Anchor and hang one portable unit | Per unit, often subject to a minimum |
| Delivery and disposal | $15-$75 | Local delivery or removal of old equipment | Per order or unit |
Contractors may charge a trip or minimum service fee of $75-$150, especially for a single extinguisher. Ask whether the quote includes the bracket, mounting, inspection tag, delivery, and tax. A mounting visit taking 0.5-1.5 hours at $75-$125 per hour can produce $38-$188 in labor before any minimum charge.
Why 5-Pound and 20-Pound Models Price Differently
Besides capacity, construction, manufacturer, listing, and included accessories affect the price. A corrosion-resistant finish or a cabinet for a harsh or public setting can add $30-$200 or more. A wheeled model is a different equipment class from a wall-mounted portable unit, so its higher cost is not a direct per-pound comparison.
Check the extinguisher label, rating, and listing against the hazard and local requirements. A 5-pound model may suit a limited electrical-equipment hazard, while a larger unit may be specified for a larger risk area. A qualified fire protection professional can confirm placement and selection; building layout and fire-code requirements may call for additional units or another extinguisher type.
For service, a routine inspection or maintenance visit may cost $10-$30 per unit when several extinguishers are serviced together. A single-unit visit can cost more once the trip minimum is included. If a cylinder needs recharging after use or testing, the service provider should identify whether parts, testing, or replacement are included.
How Refills, Inspections, and Testing Add to Ownership Cost
A portable CO2 extinguisher refill commonly costs $30-$100, with larger cylinders generally toward the high end. A technician may recommend replacement rather than recharge if the cylinder is damaged, out of date, or uneconomical to service. Ask for separate prices for recharge, parts, testing, and pickup or delivery.
CO2 cylinders typically require hydrostatic testing on a five-year schedule under applicable servicing rules, but the service company should confirm the cylinder’s markings and governing requirements. Testing may cost roughly $25-$60 for a portable unit, with removal, transport, and recharging billed separately. Visual inspections and maintenance are not interchangeable; the required schedule depends on the equipment and applicable standards.
Compare the full service price, not just the refill charge. A low refill quote can omit transportation, inspection, replacement parts, or a required test. Maintain records and follow the manufacturer’s instructions and local fire-code requirements.
How U.S. Location and Service Calls Change Prices
Equipment prices are often similar across regions when bought online, but shipping a heavy cylinder can narrow that difference. Local supplier prices and installed quotes may run about 10%-25% higher in major coastal cities than in lower-cost rural markets. Remote locations can also pay more because of travel, limited service providers, or freight.
Commercial service providers may set a minimum charge of $75-$150 for a scheduled visit, while rush or after-hours service can add 25%-50% to labor. One service visit for several units usually costs less per extinguisher than separate appointments. Request an itemized quote with travel, testing, and delivery listed independently.
When Cabinets, Removal, or Code Work Increase the Budget
A basic wall bracket is usually inexpensive, but a cabinet can add $50-$200 or more depending on size and construction. Recessed cabinets, masonry anchors, obstructed mounting areas, or work at height can raise labor charges. Disposal of an old extinguisher may cost $10-$40 per unit, though some service firms include it with replacement.
Permits are not typically a separate charge for simply buying a portable extinguisher, but a larger renovation or a regulated facility may require fire-plan review or inspection. Local rules and the authority having jurisdiction control. Confirm code requirements before buying multiple units or changing extinguisher locations.
How to Lower the CO2 Extinguisher Purchase Price
Compare quotes for the same capacity, listing, rating, accessories, and service scope. A cheaper unlisted or unsuitable model is not an equivalent offer. For several units, ask suppliers to price delivery and installation together and show any per-unit discount separately from trip charges.
Keep existing equipment only when a qualified inspection confirms it remains serviceable and compliant; recharge or testing may cost less than replacement, but damage or expired service life can change that calculation. Avoid buying oversized units without a hazard-based reason, and do not omit required mounting or maintenance to reduce the initial bill.
The most reliable savings come from matching capacity to the documented hazard and bundling legitimate service work. Compare the purchase price plus expected mounting, inspection, testing, and refill expenses before choosing a supplier.