Do I need a carbon monoxide detector? And other important CO informationPosted: Updated:
According to the Consumer Product Safety Commission and the American Red Cross, more than 200 people die each of year of carbon monoxide poisoning. Both organizations say carbon monoxide detectors save lives when used and installed properly.
For more information, read each organization's publication on CO detectors:
- CPSC: Carbon Monoxide Detectors Can Save Lives
- Red Cross: Fact Sheet: Carbon Monoxide Poisoning Prevention
According to the Environmental Protection Agency, carbon monoxide is an odorless, colorless and toxic gas. Because it is impossible to see, taste or smell the toxic fumes, CO can kill you before you are aware it is in your home.
At lower levels of exposure, CO causes mild effects that are often mistaken for the flu. These symptoms include headaches, dizziness, disorientation, nausea and fatigue. The effects of CO exposure can vary greatly from person to person depending on age, overall health and the concentration and length of exposure.
Sources of CO:
Unvented kerosene and gas space heaters; leaking chimneys and furnaces; back-drafting from furnaces, gas water heaters, wood stoves, and fireplaces; gas stoves; generators and other gasoline powered equipment; automobile exhaust from attached garages; and tobacco smoke.
Incomplete oxidation during combustion in gas ranges and unvented gas or kerosene heaters may cause high concentrations of CO in indoor air.
Worn or poorly adjusted and maintained combustion devices (e.g., boilers, furnaces) can be significant sources, or if the flue is improperly sized, blocked, disconnected, or is leaking.
Auto, truck, or bus exhaust from attached garages, nearby roads, or parking areas can also be a source. (EPA)
Steps to Reduce Exposure to Carbon Monoxide:
It is most important to be sure combustion equipment is maintained and properly adjusted. Vehicular use should be carefully managed adjacent to buildings and in vocational programs. Additional ventilation can be used as a temporary measure when high levels of CO are expected for short periods of time.
- Keep gas appliances properly adjusted.
- Consider purchasing a vented space heater when replacing an unvented one.
- Use proper fuel in kerosene space heaters.
- Install and use an exhaust fan vented to outdoors over gas stoves.
- Open flues when fireplaces are in use.
- Choose properly sized wood stoves that are certified to meet EPA emission standards. Make certain that doors on all wood stoves fit tightly.
- Have a trained professional inspect, clean, and tune-up central heating system (furnaces, flues, and chimneys) annually. Repair any leaks promptly.
- Do not idle the car inside garage. (EPA)
For more information, visit the Consumer Product Safety Commission's Q&A page on carbon monoxide.
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