Living in an air-conditioned environment for long periods can cause more than just dry skin—it may also contribute to respiratory issues. Our respiratory mucosa needs a specific level of humidity to stay healthy. Dry air speeds up the aging process of these mucous membranes, leading to discomfort in the throat and upper respiratory tract. As the mucosa dries out and ages, its protective functions diminish. It’s essential to maintain proper humidity levels indoors to ensure both comfort and health.
Humidifiers are devices designed to increase the moisture content in a room. They can either be used independently to humidify a specific area or integrated into boilers or central air conditioning systems to humidify larger spaces. There are two main types of humidifiers: fan humidifiers and ultrasonic humidifiers. If you’re purchasing one, opt for an ultrasonic model. To minimize risks, avoid placing it too close to your bed or furniture, as the mist it generates can harbor bacteria, which might harm your health.
In a recent evaluation conducted by the Guangdong Provincial Bureau of Quality and Technical Supervision, 30 batches of humidifiers from 26 manufacturers in Guangdong were tested. Out of these, seven products from seven different companies were found to be substandard, marking an overall failure rate of 23.3%. Only three batches were outright rejected, while product quality was deemed satisfactory for 13.3% of the samples. The unqualified items fell under several categories, including labeling and instructions, protection against live parts, mechanical strength, and structural integrity.
This inspection was carried out following standards such as GB 4706.1-2005 “Safety of Household and Similar Electrical Appliances – Part 1: General Requirements,†GB 4706.48-2009 “Specific Requirements for the Safety of Humidifiers for Household and Similar Electrical Appliances,†along with relevant laws, regulations, departmental rules, and corporate standards. Parameters like labeling, protection against electric shock, input power, heat generation, electrical strength, moisture resistance, leakage current, mechanical hazards, structural design, internal wiring, and grounding measures were thoroughly examined.
Maintaining a balance of moisture in your living space is crucial, especially during prolonged exposure to air conditioning. Whether you choose a humidifier or other methods to regulate humidity, understanding their functionality and potential risks can help ensure a healthier home environment.
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