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OSHA 1910.157 · Fire Extinguisher Simulator
The VR Fire Extinguisher Training Simulator That Replaces Live-Fire Drills
Trainees practice the full P.A.S.S. technique inside a photoreal VR simulator — every pull, aim, squeeze, and sweep is tracked. OSHA 1910.157 documented. No burn permits, no consumables, no real fires. Works offline. Deployed in under 2 weeks.
Who This Is For
✓Facilities required to meet OSHA 29 CFR 1910.157 annual training
✓EHS managers replacing expensive live-fire consumable training
✓Manufacturing plants with high ignition-risk environments
✓Government and defense facilities with fire safety mandates
→ View Full Fire Extinguisher Training Product Details
0Real fires needed
OSHA 1910.157Compliant
2 WksTo deployment
Dept. of Defense Kaiser Aluminum Fortune 100
Request a Fire Safety Demo
See P.A.S.S. technique simulation live. Response within 1 business day.
No commitment required. Typical response within 1 business day.
See It In Action
Watch How Trainees Master Fire Safety in VR
Real footage of the Humulo fire extinguisher simulation — P.A.S.S. technique training, multiple fire classes, and automated performance scoring.
Why VR Fire Training
Why Replace Live-Fire Training With VR?
Traditional fire extinguisher training burns through consumables, limits practice reps, and creates safety risks. VR changes all of that.
Most organizations recover VR deployment costs by eliminating recurring live-fire expenses within the first year.
No Consumables
Train unlimited times. Zero CO2, foam, or dry powder waste. No cleanup, no resupply, no outdoor space required.
OSHA 1910.157 Documented
Every session generates timestamped completion records per trainee — ready for annual compliance audits the moment an inspector arrives.
P.A.S.S. Technique Mastery
Real-time feedback on Pull, Aim, Squeeze, Sweep. Distance, aim angle, and sweep speed all tracked and scored automatically.
Multiple Fire Classes
Class A (wood/paper), Class B (flammable liquids), Class C (electrical). Trainees learn to identify fire class and select the correct extinguisher.
LMS & SCORM Ready
Export completion data to Workday Learning, Cornerstone, SAP SuccessFactors, or your custom LMS. Our team handles integration setup.
Works Offline / Air-Gapped
No internet required. Fully operational at remote facilities, classified government sites, and locations with strict network restrictions.
Built to Satisfy OSHA 29 CFR 1910.157
OSHA 29 CFR 1910.157 sets two separate training duties, and most facilities run them together. Paragraph (g)(1) requires an educational program on the general principles of extinguisher use for every employee expected to pick one up, repeated at least annually under (g)(2). Humulo's simulator is built to carry that educational program and to document it per trainee — timestamps, scenarios attempted, and performance scoring that stand up to an audit. No permits, no outdoor burn pads, no recharge costs. The separate hands-on duty under (g)(3), which applies only to employees your emergency action plan designates as fire responders, is covered below.
✓ Satisfies 1910.157(g)(1) & (g)(2) ✓ Per-Trainee Completion Records ✓ Annual Audit Ready Documentation
What OSHA 29 CFR 1910.157 Actually Requires, and Where VR Fits
OSHA 29 CFR 1910.157 sets two different training duties and they apply to two different groups of people. Paragraph (g)(1) requires an educational program on the general principles of extinguisher use and the hazards of incipient stage fire fighting, for every employee expected to use an extinguisher, repeated at least annually under (g)(2). Paragraph (g)(3) requires something stricter, hands-on training with the appropriate equipment, but only for the employees your emergency action plan designates as fire responders, repeated annually under (g)(4). Humulo's VR fire extinguisher training carries the (g)(1) and (g)(2) educational program and documents it per trainee. It does not replace the (g)(3) hands-on requirement for your designated responders.
That distinction decides how many people you actually have to put through a live burn. In most plants the (g)(1) population is everyone on the floor and the (g)(3) population is a dozen people. Sizing those two groups correctly is usually where the money is.
| Paragraph | Who it applies to | What it requires | How often | Humulo VR |
|---|---|---|---|---|
| 1910.157(g)(1) | Every employee expected to use a portable extinguisher in your workplace | An educational program covering “the general principles of fire extinguisher use and the hazards involved with incipient stage fire fighting.” The standard names no delivery method. | Upon initial employment | Satisfies it. This is the requirement the simulator is designed against. Trainees identify the fire class, choose an extinguisher, and execute P.A.S.S. while the system scores them. |
| 1910.157(g)(2) | The same group | That same education, repeated. | At least annually thereafter | Satisfies it. Unlimited repeat sessions at no consumable cost, each one writing a fresh timestamped record per trainee. |
| 1910.157(g)(3) | Only employees “designated to use fire fighting equipment as part of an emergency action plan” under 1910.38 | “Hands-on training in the use of the appropriate equipment.” | Upon initial assignment | Does not replace it. VR is strong preparation, and we think it makes the live session shorter and safer. But OSHA asks for hands-on practice with the extinguisher types actually in your building. Budget for both. |
| 1910.157(g)(4) | The same designated group | That same hands-on training, repeated. | At least annually thereafter | Does not replace it. Same reasoning as (g)(3). |
| 1910.157(b)(1) | Facilities with a written total-evacuation fire policy, an emergency action plan and fire prevention plan meeting 1910.38 and 1910.39, and no extinguishers available to employees | Exempt from this section unless another Part 1910 standard requires an extinguisher to be provided. | — | Nothing to satisfy. If this describes your site, you may not need a fire extinguisher trainer at all. Tell us on the call and we will say so. |
| 1910.157(c), (e), (f) | The equipment, not the people | Selection and distribution, mounting and identification, annual maintenance checks, and hydrostatic testing. | Varies | Out of scope. No software inspects a physical extinguisher. This stays with your facilities team. |
The 2020 OSHA VR interpretation letter does not cover 1910.157
You will see vendors cite OSHA's August 10, 2020 letter of interpretation as proof that VR is approved for fire extinguisher training. Read the letter. It answers questions about HAZWOPER (1910.120), electric power generation (1910.269), and bloodborne pathogens (1910.1030). It does not mention 1910.157, and to our knowledge OSHA has issued no interpretation addressing VR under the portable fire extinguisher standard at all. Anyone telling you otherwise has not read it.
So we do not lean on it. Our compliance argument rests on the text of (g)(1), which describes an educational program and specifies no delivery method, which means a well-documented VR program is as defensible as a slide deck and considerably easier to evidence. That is a narrower claim than some of our competitors make. It is also the one we can defend in front of your auditor.
An earlier version of this page overstated our own position in a different way: it said the simulator satisfies the hands-on training component. It does not, for designated employees under (g)(3). Corrected October 2026. If you were shown that claim by us, this paragraph is the retraction. For how VR maps across the other OSHA standards, see our breakdown of which OSHA standards accept VR, the VR safety training program overview, and enterprise VR training deployment.
P.A.S.S. Technique Training
Master the P.A.S.S. Technique
Our VR simulation breaks down each critical step with real-time guidance and performance scoring.
P
Pull
Pull the safety pin from the extinguisher handle. VR validates proper grip and pin removal technique before allowing you to proceed to the next step.
A
Aim
Aim at the base of the fire, not the flames. Visual feedback shows optimal aiming angle and distance (6–8 feet from fire). Trainees see exactly where their nozzle is pointed.
S
Squeeze
Squeeze the handle to release the extinguishing agent. The simulation responds to pressure intensity and control for realistic discharge feedback.
S
Sweep
Sweep side-to-side at the fire's base. Tracking shows sweep coverage, speed, and effectiveness in suppressing flames — scored in real time.
New in Fire Safety · Practice Lab
Grab the Wrong Extinguisher. See What Happens.
The Practice Lab puts live fire scenarios in your trainees’ own space and makes every wrong call visible. A live-fire day gives each person a pull or two on one extinguisher. The Practice Lab gives them as many reps as they want, on all six.
6Extinguisher types
5Fire classes
3Difficulty levels
Every extinguisher. Every fire class.
The rack holds six units — ABC, BC, CO2, water, wet chemical and Class D dry powder — and each one looks and sounds like the real thing. The lessons cover the three common workplace classes (A, B and C); the Practice Lab adds combustible metals (Class D) and kitchen grease (Class K).
Wrong calls have consequences.
Spray water on a grease fire and it erupts. Spray it on live electrical equipment and the round is over. Grease and electrical fires keep flaring back until someone finds the shut-off, and the coach explains every wrong pick.
In your own space. Never the same twice.
The lab runs in mixed reality: trainees place the fires in the room they’re standing in. Easy, Standard and Hard run one to three fires at once, and on Hard a fire left too long spreads to the rack. Rounds are random, so nobody memorizes their way through.
Scored and on the record.
Every round is scored out of 100 (80 passes), posted to the scoreboard and logged to your LMS as Fire Extinguisher Practice, right next to the Fire Safety training.
Proven Results
Proven in High-Risk Industrial Environments
“After replacing our annual live-fire extinguisher drills with Humulo VR, we eliminated burn-day downtime and reduced training disruption across three facilities. The built-in documentation gave our safety team confidence heading into audits.”
— EHS Director, Multi-Site Manufacturing Operation
58% Reduction in training disruption
Zero Consumables required
1910.157 Documentation exportable
Common Questions From EHS Directors
Everything you need before presenting VR fire training to leadership.
Does VR fire training satisfy OSHA 1910.157? +
Partly, and the honest answer matters here. 1910.157 has two training tiers. The educational program for all employees expected to use an extinguisher, required on hire and at least annually under (g)(1) and (g)(2), is what Humulo's simulator is built to satisfy, and it generates per-trainee timestamped records for your audit file. The separate hands-on requirement under (g)(3) and (g)(4) applies only to employees your emergency action plan designates as fire responders, and VR does not replace it: OSHA asks for practice with the extinguisher types actually in your facility. Most sites use Humulo for the whole workforce and keep a short live session for the designated group.
What fire classes are covered? +
Class A (ordinary combustibles — wood, paper, fabric), Class B (flammable liquids and gases), and Class C (electrical equipment). Trainees learn to identify the fire class, select the correct extinguisher type, and apply proper technique for each. Custom scenarios for your specific facility hazards are available for enterprise deployments.
How does this replace our annual live-fire training day? +
Directly and completely. VR provides more realistic, repeatable practice than a single annual live-fire event. No burn permits, no outdoor space, no consumable costs, no weather dependencies. Works at any facility — including those with no outdoor areas. You can train the same employee multiple times in one session to build true muscle memory.
How quickly can we deploy? +
Most deployments are operational within 10–14 business days. Hardware ships pre-configured. No IT infrastructure or internet connection required — the system works fully offline and air-gapped, making it compatible with classified government facilities and remote manufacturing sites with no network connectivity.
How much does a fire extinguisher training system cost? +
The fire extinguisher training system includes VR headsets and the fire safety simulation software as a turnkey package. Pricing varies by the number of headsets and locations. Most organizations find the VR fire extinguisher simulator pays for itself within the first year by eliminating recurring live-fire drill costs — burn permits, fuel, extinguisher recharges, instructor scheduling, and outdoor venue rental. Contact us for a custom quote based on your organization's training volume and facility count.
Is this a digital fire extinguisher trainer or a full simulation? +
Humulo is a full-immersion VR fire extinguisher training simulator, not a screen-based digital trainer. Trainees wear a VR headset and physically practice the P.A.S.S. technique in a realistic 3D environment with spatial fire behavior, smoke propagation, and pressure-based extinguisher mechanics. This produces measurably better skill retention than flat-screen digital fire extinguisher trainers or video-based training tools.
What environments and fire scenarios does the Humulo VR fire extinguisher simulator include? +
The simulator includes four facility environments — warehouse, office, kitchen, and industrial floor — plus a shipyard worksite tour used for hazard identification. A session runs 15 or more minutes. The trainee identifies the fire class, pulls the fire alarm to alert emergency services, selects the correct extinguisher, and works the fire with the P.A.S.S. technique. Pick the wrong extinguisher for the class and the fire spreads or reignites, and the scenario can be re-run immediately. Custom scenarios built around a specific facility's hazards are available for enterprise deployments.
What VR headset does Humulo's fire extinguisher training run on, and does it need an internet connection? +
It runs on a PICO enterprise VR headset that ships pre-configured and ready to train out of the box. No internet connection is required at any point — the system is fully offline and air-gap capable, so it works at remote sites and classified government facilities with no network access. The simulation is available in English, Spanish, and French, and every headset includes the full 20+ module library for every trainee rather than just the fire title. Most deployments are operational within 10 to 14 business days.
Does Humulo's VR fire extinguisher training require a physical extinguisher prop? +
No. The student materials are the VR headset and Humulo's fire suppression software, so there is no tethered prop extinguisher, no fuel, no burn pan, and no burn pad to store, refill, or permit. The technique is tracked through the headset instead: the simulation scores pin-pull technique, aim angle, standoff distance of 6 to 8 feet, squeeze pressure, sweep coverage, and sweep speed, then writes the results to a per-trainee completion record aligned to OSHA 29 CFR 1910.157. Removing the prop is what lets the same headset train unlimited employees in any indoor space.
Does OSHA require hands-on fire extinguisher training for every employee? +
No, and this is the most common misreading of the standard. 1910.157(g)(1) requires an educational program on the general principles of extinguisher use and the hazards of incipient stage fire fighting for employees expected to use an extinguisher. Hands-on training under (g)(3) is required only for employees designated to use fire fighting equipment as part of an emergency action plan under 1910.38. If your EAP designates twelve responders in a 400-person plant, twelve people need hands-on and 400 need the educational program. Sizing those two groups correctly is where most fire training budgets are won or lost.
Which employees count as designated under 1910.157(g)(3)? +
The ones your own emergency action plan names as authorized to fight fires. OSHA does not define the group for you, it points back at your 1910.38 plan. If your plan says all employees evacuate on the alarm and only the emergency response team uses extinguishers, your designated group is that team. If your plan is silent, an auditor may read it broadly, which is a documentation problem rather than a training problem. Write the designation down before you buy training for either tier.
Does OSHA's 2020 VR interpretation letter apply to fire extinguisher training? +
No. The August 10, 2020 letter of interpretation addresses HAZWOPER (1910.120), electric power generation (1910.269), and bloodborne pathogens (1910.1030). It does not mention 1910.157, and to our knowledge OSHA has issued no interpretation addressing VR under the portable fire extinguisher standard. Humulo does not cite that letter as authority for fire training. The argument rests on the text of (g)(1), which requires an educational program and specifies no delivery method.
How often is fire extinguisher training required under OSHA 1910.157? +
At least annually for both tiers, plus once at the start. The educational program under (g)(2) is required upon initial employment and at least annually thereafter. The hands-on training under (g)(4) is required upon initial assignment to the designated group and at least annually thereafter. Annual is a floor, not a target, and after a near miss or a change in the hazards on your floor you should retrain regardless of the calendar.
Can a facility with a total-evacuation policy skip fire extinguisher training? +
Sometimes, under the 1910.157(b)(1) exemption. If you have a written fire safety policy requiring immediate and total evacuation on the alarm, an emergency action plan and fire prevention plan meeting 1910.38 and 1910.39, and no extinguishers available to employees, you are exempt from this section unless another Part 1910 standard requires an extinguisher. In practice very few industrial sites clear that last condition, because extinguishers are already mounted on the walls. If yours genuinely does, you may not need a fire extinguisher trainer and we will tell you so.
How It Works
Inside the Fire Extinguisher Training Simulator
Humulo’s fire extinguisher training system replaces live-fire drills with a fully immersive VR simulation. Here’s what a typical session looks like — from headset pickup to audit-ready completion record.
1
Trainee Puts on the Headset
The fire extinguisher simulator launches automatically. No apps to open, no logins. The trainee is standing in a realistic facility environment — warehouse, office, kitchen, or industrial floor — within seconds. The system works completely offline, so there are no network dependencies even in remote or air-gapped facilities.
2
Fire Breaks Out — Trainee Responds
A realistic fire ignites in the environment. The trainee must identify the fire class (A, B, or C), select the correct extinguisher type, and apply the P.A.S.S. technique: Pull the pin, Aim at the base, Squeeze the lever, Sweep side to side. The digital fire extinguisher trainer tracks every decision — response time, aim accuracy, sweep pattern, and extinguisher selection.
3
Mistakes Are Learning Moments
If the trainee grabs the wrong extinguisher for the fire class, the fire extinguisher training simulator shows what happens — the fire spreads or reignites. This safe-to-fail approach builds real decision-making under pressure, something no classroom video or paper quiz can replicate. Trainees can repeat the scenario immediately, building muscle memory through repetition.
4
Completion Record Generated Automatically
When the session ends, the fire extinguisher training system generates a per-trainee performance record: completion timestamp, scenarios attempted, pass/fail status, response metrics, and OSHA 1910.157 alignment documentation. These records are audit-ready and exportable — no manual paperwork, no instructor sign-offs, no compliance gaps.
Fire Extinguisher Simulator vs. Traditional Training Equipment
Traditional fire extinguisher training systems require burn permits, outdoor space, consumable materials (fuel, extinguisher recharges), and weather cooperation. A single annual live-fire event costs $2,000–$8,000 per session in materials alone. Humulo’s VR fire extinguisher simulator eliminates all recurring consumable costs. One headset trains unlimited employees, unlimited times, in any indoor space. The system pays for itself by replacing your first annual live-fire drill.
Specifications
VR Fire Extinguisher Training Simulator: Full Specifications
Humulo’s VR fire extinguisher training simulator covers all three common workplace fire classes — Class A, Class B, and Class C — across four facility environments (warehouse, office, kitchen, and industrial floor) plus a shipyard hazard-identification tour. A session runs 15+ minutes and requires the trainee to identify the fire class, pull the alarm, select the correct extinguisher, and execute the complete P.A.S.S. technique while the system scores response time, aim angle, standoff distance, sweep coverage, and extinguisher selection. It runs on a PICO enterprise VR headset, works fully offline with no network connection, and generates a timestamped per-trainee completion record aligned to OSHA 29 CFR 1910.157.
Last Updated: October 6, 2026
| Fire classes simulated | Class A (wood, paper, fabric), Class B (flammable liquids and gases), Class C (electrical equipment) |
|---|---|
| Training environments | Four facility environments — warehouse, office, kitchen, industrial floor — plus a shipyard worksite hazard-identification tour |
| Session length | 15+ minutes per trainee |
| Technique trained | Full P.A.S.S. sequence: Pull the pin, Aim at the base, Squeeze the lever, Sweep side to side |
| Alarm activation | Included. The trainee must pull the fire alarm to alert emergency services before fighting the fire |
| Extinguisher selection | The trainee must identify the fire class and pick the correct extinguisher. A wrong choice makes the fire spread or reignite, and the scenario can be repeated immediately |
| Metrics scored | Response time, pin-pull technique, aim angle, standoff distance (6–8 feet), squeeze pressure, sweep coverage and sweep speed, extinguisher selection, pass/fail |
| Fire behavior modeled | Spatial fire spread, smoke propagation, and pressure-based extinguisher discharge mechanics |
| Physical extinguisher prop | Not required. Student materials are the VR headset and Humulo’s fire suppression software — no tethered prop extinguisher, fuel, burn pan, or burn pad |
| Headset | PICO enterprise VR headset, shipped pre-configured and ready to train out of the box |
| Connectivity | Runs fully offline. Air-gap capable, so it works at remote sites and classified government facilities with no network |
| Languages | English, Spanish, and French |
| LMS / SCORM | Completion data exports to Workday Learning, Cornerstone, SAP SuccessFactors, or a custom LMS. Humulo handles integration setup |
| Completion records | Per trainee: completion timestamp, scenarios attempted, pass/fail status, response metrics, and OSHA 1910.157 alignment documentation |
| Analytics | Safety Insights Portal — incident and near-miss tracking built on the HFACS root-cause framework |
| OSHA standard addressed | 29 CFR 1910.157(g)(1) and (g)(2), the annual educational program for employees expected to use an extinguisher. The (g)(3) hands-on requirement for designated fire responders is not replaced by VR |
| Modules included | The full 20+ module library ships with every headset — fire safety, forklift, lockout/tagout, confined space, hazard recognition and more. No per-module charges |
| Consumables | None. No fuel, no CO2, foam, or dry-powder recharges, no burn permits, no outdoor space |
| Repetitions | Unlimited. One headset trains unlimited employees, unlimited times |
| Deployment time | 10–14 business days from order to operational |
| Evaluation | 30-day on-site pilot with a full refund guarantee, including the activation fee |
What a Trainee Must Demonstrate to Pass
The simulation scores against these enabling objectives. A trainee who skips the alarm, grabs the wrong extinguisher, or stands too close does not pass, and can re-run the scenario straight away.
- Identify Class A fire hazards (ordinary combustibles)
- Identify Class B fire hazards (flammable liquids and gases)
- Identify Class C fire hazards (energized electrical equipment)
- Alert emergency services by pulling the fire alarm
- Locate a fire extinguisher and prepare it for use
- Fight the fire using correct spraying technique from a safe standoff distance
- Fully extinguish the fire and confirm it does not reignite
Risk-Free Pilot
Prove It at Your Site: 30-Day Pilot with a Full Refund Guarantee
No procurement cycle. No sales process required. One enterprise headset, your account activated, full training library — train your real crews for 30 days. Not satisfied? Return it for a complete refund, activation fee included.
1 Enterprise Headset
PICO Neo 4 Ultra E, pre-configured and ready to train out of the box. Works completely offline.
Full Library Access
Fire safety, forklift, lockout/tagout, confined space, hazard recognition, and more — with audit-ready completion records.
30-Day Full Refund
Run it with your teams. If it doesn’t earn its place in your safety program, send it back for 100% of your money.
Start Your 30-Day Pilot — $3,499 All-In →
Questions first? Call (443) 295-3706 or book a consultation.
