Intentionally or unintentionally inhaling warm air from the outdoor unit of an air conditioner is generally considered safe, as long as the air is not contaminated or contains harmful substances. However, it's important to note that the warm air being exhausted by the outdoor unit typically contains heat, moisture, and potentially some airborne particles like dust or pollen.
While the warm air itself is not harmful, it's advisable to avoid prolonged exposure to the exhaust air from an air conditioner. The warm air can be uncomfortable and may cause minor irritation or dryness of the respiratory system if inhaled excessively. Additionally, if the outdoor unit is located in an area where there are potential contaminants, such as exhaust fumes or chemical emissions, it's best to avoid inhaling the air from that vicinity.
If you have concerns about the quality of the air being exhausted by your air conditioner, it's recommended to consult the manufacturer's instructions or contact a professional HVAC technician to ensure that the system is functioning properly and the air being circulated is clean and safe.