THE READY REPORT · DAILY INSTALL · NOVEMBER 9, 2026
A light on the alarm can tell you it has power. The small date on the back can answer a different question. When is this unit due to be replaced?
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What’s happening now?
Illinois starts Winter Weather Preparedness Week today. Cold weather can mean more use of fuel-burning heat, and power cuts can bring portable generators into use. The Consumer Product Safety Commission advises CO alarms on every level and outside sleeping areas. Carbon monoxide has no color or smell.
Has this happened before?
The Texas cold snap that put backup heat to the test
An illustrated reconstruction of the U.S. example.
In February 2021, bitter cold hit Texas. During the winter storm, people lost power and looked for ways to stay warm. Health authorities tracked reports of carbon monoxide poisoning during the emergency. It was a second danger tied to the same cold spell.
Picture a house after the lights have been off for a while. The room feels colder. Everyone wants one warm spot and a way to charge a phone. A generator or some other fuel-burning device can look like the quickest way to solve the first problem. Exhaust can create a much more serious problem if it builds up where people are breathing.
This is why the place where equipment runs matters so much. A garage can feel like the natural place to keep a machine out of snow or rain. A portable generator belongs outdoors, far from the house, with its exhaust aimed away from buildings. Opening a garage door still leaves a bad place for a generator to run.
An alarm is a separate layer of help. It can warn people about a danger they cannot smell. Like other devices, it has a useful life, and the maker’s directions tell you how to test and replace it. A unit that has sat on the wall for years is easy to stop noticing.
What happened next?
Texas health officials later counted carbon monoxide poisoning among the deaths tied to the storm. Losing power had created an urgent need for heat. Fuel burned in the wrong place could turn that search for warmth into a second emergency.
At home, give the generator and the alarm separate jobs. The generator goes outdoors, at least 20 feet from the house, with exhaust pointed away from buildings. The alarm gives people a chance to get out if carbon monoxide builds up. The maker’s directions tell you when to replace it.
Check the alarm near where you sleep before the next cold snap. A light on the case can show it has power. The label and manual tell you when it needs to come off the wall for good.
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What can I do?
About 10–15 minutes. Use what you have, then print the worksheet for your binder.
Use the maker’s instructions for one CO alarm. If the alarm sounds, get everyone outside to fresh air, call 911 from outside and wait for responders.
The maker’s label and directions tell you when the alarm is due for replacement.
1. Find one CO alarm near a sleeping area. If you cannot reach it safely, ask for help.
2. Read its date and model, then check the maker’s test and replacement directions.
3. Write down the replacement date or the next step. Follow the maker’s directions if you test it.
HOUSEHOLD RESILIENCE NETWORK · BINDER WORKSHEET
Check the Date on One CO Alarm
Alarm location
____________________________
Replace-by date or model
____________________________
Next action
____________________________
☐ I finished the check or set a date for the next step.
Today’s win. You have one alarm’s replace-by date, or its model number and the exact next step for checking it.
Takeaway. Start with the CO alarm nearest where you sleep.
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Stay steady,
Jordan Davies
The Ready Report
P.S. Which alarm in your home is easiest to forget about? Hit reply and tell me. If this would help a friend, forward it to them.
P.P.S. Two useful next reads:
Sources reviewed: NWS Central Illinois, Winter Weather Preparedness Week · CPSC, Carbon Monoxide Fact Sheet · Texas Department of State Health Services, 2021 Winter Storm Mortality Surveillance Report.