Fire Extinguisher and CO Detector Check
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What it is
Verifying that the household has at least one accessible fire extinguisher and at least one carbon-monoxide (CO) detector, and that both are functional. Fire extinguishers should be unexpired, fully charged (gauge in the green zone), and stored where someone can reach them within seconds of a small kitchen or electrical fire. CO detectors should be tested monthly and replaced every 5–10 years per manufacturer recommendations, and placed near sleeping areas where occupants would be exposed if CO levels rose during sleep. Together with smoke alarms, these are the three core household fire-and-air-safety devices; this intervention covers the two that smoke alarms don’t.
Sources and key statistics
- Verifying functional fire extinguisher and CO detector coverage; both are required by housing codes in most jurisdictions but compliance is regularly under-maintained
- NFPA fire-extinguisher research and CDC CO-poisoning surveillance consistently identify under-coverage and stale equipment as primary contributors to preventable fire and CO deaths; the CDC reports ~430 CO deaths per year and tens of thousands of ER visits in the US, with detector absence as a major risk factor
- Equipment costs ~$30–60 for a household of fire extinguishers and CO detectors; ongoing maintenance is monthly testing and 5–12 year replacement
- Distinct from smoke alarms which detect smoke, and emergency survival kit which addresses post-emergency self-sufficiency
Cost
- Upfront cost: $60
- Ongoing cost: $15/year
- Upfront time: 0.5 hours
- Ongoing time: 0.08 hours/month
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How to do it
- Confirm at least one fire extinguisher is on each floor and within reach of the kitchen (the most common location of small household fires); type ABC (“multipurpose”) covers most household fire types; check the gauge is in the green zone and the inspection tag is current
- Replace any fire extinguisher older than 12 years (or the manufacturer’s stated lifespan), or any with the gauge in the red zone, or any that’s been partially discharged
- Confirm at least one CO detector outside each sleeping area; battery-powered or hardwired both work, but hardwired with battery backup is most reliable; test monthly using the test button
- Replace any CO detector older than its manufacturer-rated lifespan (5–10 years – check the date on the back of the unit); the sensing element degrades silently and an old detector may fail to alert even when the test button still works
What success looks like
- At least one functional ABC fire extinguisher per floor, within reach of the kitchen, with current inspection tag
- At least one functional CO detector outside each sleeping area, tested in the last month, replaced within manufacturer’s stated lifespan
- You and other adult household members know where the extinguishers are and how to use them (PASS technique: Pull pin, Aim at base, Squeeze handle, Sweep side to side)
Common pitfalls
- Storing the fire extinguisher in a difficult-to-reach location (back of a cupboard, in the garage); the most common small kitchen fires require access in seconds, not minutes
- Replacing the battery in a CO detector but not the unit itself; CO sensing elements have a finite lifespan and a beeping low-battery is sometimes confused with end-of-life signal
- Confusing CO detectors with smoke alarms; some combination units exist but many homes have only smoke alarms and assume those cover both, which they don’t
Prerequisites
- A permanent residence (owned or rented) where you can install or maintain detectors and store fire extinguishers
- Basic familiarity with the PASS technique for fire-extinguisher use; brief videos from local fire departments are widely available
Expected effects across life areas
| Life area | Value | PBS | ISR | UAR | Confidence | Baseline (population percentile) | EBS |
|---|---|---|---|---|---|---|---|
| Physical Safety | Risk reduction | 9 | 0.15% | 65% | medium | 45th | … |
| Emergency Preparedness | Baseline resilience | 4 | 85% | 65% | high | 35th | … |
Detailed Scoring
Scoring uses a logarithmic scale from 0 to 10, where each unit increase represents roughly double the impact. Learn more about ROI calculations.
Physical Safety – Risk reduction
Anchor: Estimated percentage reduction in preventable incident mortality risk below population average
Logarithmic Scale:
- Score 10: 50-70% reduction through advanced competency in 2-3 safety domains with systematic threat assessment
- Score 8: 30-50% reduction through self-defence capabilities, advanced certifications, and comprehensive risk management
- Score 6: Current CPR/first aid certification, professionally monitored home security, and consistent threat recognition
- Score 4: Basic protective measures reducing common risks by 50-70% (seat belts, home security, situational awareness)
- Score 2: No systematic safety practices; unaware of personal vulnerability patterns
- Score -2: ~1% increase in preventable incident mortality risk
- Score -4: ~4% increase in preventable incident mortality risk
- Score -6: ~17% increase in preventable incident mortality risk
- Score -8: ~70% increase in preventable incident mortality risk
- Score -10: Catastrophic increase in preventable mortality risk
Potential Benefit Score (PBS):
9
Intervention Success Rate (ISR):
0.15%
User Adherence Rate (UAR):
65%
Expected Benefit Score (EBS):
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Emergency Preparedness – Baseline resilience
Anchor: Change in preparedness for probable disruptions like natural disasters and outages
Logarithmic Scale:
- Score 10: Transformative gain in baseline emergency preparedness
- Score 8: Major gain in baseline emergency preparedness
- Score 6: Meaningful gain in baseline emergency preparedness
- Score 4: Modest gain in baseline emergency preparedness
- Score 2: Slight, barely noticeable gain in baseline emergency preparedness
- Score -2: Slight, barely noticeable reduction in baseline emergency preparedness
- Score -4: Modest reduction in baseline emergency preparedness
- Score -6: Meaningful reduction in baseline emergency preparedness
- Score -8: Major reduction in baseline emergency preparedness
- Score -10: Severe damage to baseline emergency preparedness
Potential Benefit Score (PBS):
4
Intervention Success Rate (ISR):
85%
User Adherence Rate (UAR):
65%
Expected Benefit Score (EBS):
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