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How to Prevent Carbon Monoxide Poisoning in Winter

Nov 25, 2025 Source: Cainiu Health
Dr. Wang Lei
Introduction
To prevent carbon monoxide poisoning in winter, key measures include using heating appliances properly, ensuring adequate ventilation, installing carbon monoxide alarms, conducting regular inspections and maintenance, and avoiding hazardous practices. During winter, enclosed environments are more common, so it is essential to stay vigilant and reduce the risk of poisoning at its source. It is also important to recognize early symptoms of carbon monoxide poisoning, such as dizziness, nausea, and fatigue, in daily life.

To prevent carbon monoxide poisoning during winter, key measures include using heating equipment properly, maintaining good ventilation, installing alarm devices, conducting regular inspections and maintenance, and avoiding hazardous practices. As enclosed environments are common in winter, it's important to stay vigilant and reduce the risk of poisoning at its source. The specific recommendations are as follows:

1. Use heating equipment properly

Coal stoves and charcoal braziers should be placed in well-ventilated areas, away from flammable materials, and never directly inside bedrooms. Gas water heaters must be installed outside the bathroom, and adequate air circulation should be ensured during use to prevent incomplete fuel combustion that produces carbon monoxide.

2. Maintain proper ventilation

Enclosed spaces can easily lead to carbon monoxide buildup. Even in cold weather, windows should be opened regularly for ventilation. When using heating devices, leave a small gap in the window to promote air circulation and expel harmful gases outdoors.

3. Install alarm devices

Install carbon monoxide detectors in key areas such as bedrooms and living rooms. These devices can promptly detect abnormal gas concentrations and sound an alarm. Choose certified products and regularly check batteries and sensor sensitivity to ensure proper operation.

4. Conduct regular inspection and maintenance

Schedule periodic inspections by professionals to check gas pipelines, valves, and heating equipment for leaks, aging, or other issues. Repair or replace faulty components immediately to prevent carbon monoxide leakage caused by equipment failure.

5. Avoid dangerous practices

Avoid running the car engine for extended periods to warm up the vehicle, especially in enclosed garages, as engine operation generates large amounts of carbon monoxide. Do not use coal stoves indoors for barbecuing or heating, to prevent gas poisoning.

It is important to recognize early symptoms of carbon monoxide poisoning, such as dizziness, nausea, and fatigue. If any discomfort occurs, immediately open windows for ventilation and move to a safe area. Extra precautions should be taken for vulnerable individuals such as elderly people and children. In cases of severe symptoms, seek medical attention immediately.

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