No, infrared radiation from heaters is not harmful to health.
The effect of electromagnetic radiation, such as infrared radiation, on people, depends on:
1. The frequency of the radiation: visible radiation, such as UV or X-rays, can damage genetic material. Invisible radiation, such as the radiation from infrared heating, is harmless for the human body provided the power, distance and duration are appropriate.
2. The power of the radiation: Long- and medium-wave infrared radiation, as used in heaters, does not penetrate deep into the skin and is therefore harmless to the body. If the devices do use short waves, the distance and duration play a role.
3. The distance from the radiation source: If you keep far enough from infrared heaters with short waves (like cheaper patio heaters), then there are no dangers. However, if you stand very close to the radiation source, the radiation can penetrate the skin tissue.
4. The duration of exposure: if the exposure time to short waves is limited, there is no problem. Infrared saunas or lamps often make use of this type of radiation. For this reason, you should only use this type of infrared radiation for a short time (15 to 20 minutes).
Infrared heating is even beneficial to your health
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