Thailand Warns of Water Heater Carbon Monoxide Risks

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Nopparat Rajathanee Hospital in Thailand has issued a warning regarding the dangers posed by gas-powered water heaters, especially the risk of carbon monoxide poisoning. This concern is primarily linked to heaters that are installed incorrectly or used in poorly ventilated areas. The warning comes after an incident in early 2026 where a family narrowly escaped death due to toxic gas inhalation while showering at a resort located in a colder region.

The hospital explained that gas water heaters operate through combustion to heat water, which if incomplete, can produce carbon monoxide. This gas can significantly impact the body's ability to utilize oxygen, causing serious symptoms or even death. Dr. Akkharat Jitnuyanont, the deputy director-general of the Department of Medical Services, stressed the health risks which include headaches, dizziness, and loss of consciousness.

Propane gas, commonly used for cooking and heating water, can also pose risks if it leaks, leading to symptoms such as nausea and dizziness. Dr. Akkharat recommended using exhaust fans and ensuring good ventilation when using these heaters. He advised taking breaks if showering for extended periods and immediately moving affected individuals to well-ventilated areas while contacting emergency services via the 1669 hotline if needed.

Dr. Piyawat Laohutanont, director of Nopparat Rajathanee Hospital, emphasized the dangers of substandard gas water heaters that produce high carbon monoxide levels due to incomplete combustion. He also noted that electric water heaters have risks like electric leakage, which can be mitigated with proper grounding and earth leakage circuit breakers. Regular safety checks are recommended for both prospective and current users of water heaters. Additional guidance can be obtained from the Toxicology Centre at Nopparat Rajathanee Hospital, reported Khaosod.

Key Takeaways

• Carbon monoxide poisoning from gas heaters is a serious health risk.

• Proper installation and ventilation can mitigate these dangers.

• Regular safety checks are recommended for all water heaters.

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Adapted by ASEAN Now from Khaosod 2026-01-07