The best indoor temperature in winter

According to physiologists, when the indoor temperature is too high, it will affect the body temperature regulation function, due to poor heat dissipation. It causes elevated body temperature, vasodilation, accelerated pulse, and accelerated heart rate. In winter, if the indoor temperature is frequent keeping above 25 °C, people will be exhausted, dizzy, slow thinking, and poor memory. Simultaneously, due to the wide temperature difference between indoor and outdoor, the human body is difficult to adapt and is prone to colds and colds. If the room temperature is too low, it will reduce the body's metabolic function, pulse, slow breathing, subcutaneous vasoconstriction, excessive skin tension, the resistance of the respiratory mucosa is weakened, and it is easy to induce respiratory diseases. So the scientists put people on the cold the lower limit temperature of "tolerance" and the upper limit temperature of "heat tolerance" were set at 11 ° C and 32 ° C, respectively.

While paying attention to the indoor temperature adjustment, you should also pay attention to the humidity in the room. In summer, when the indoor humidity is too large, it will be suppressed. The heat dissipation of the human body makes people feel very stuffy and irritable. In winter, when the indoor humidity is high, heat conduction is accelerated, make people feel cold and depressed. When the indoor humidity is too low, the amount of water in the upper respiratory tract mucosa is lost, and people will feel dry mouth, dry tongue, even sore throat, hoarseness and nosebleeds, and susceptible to colds. So, experts according to the study, the upper limit of relative humidity should not exceed 80%, and the lower limit should not be lower than 30%.

However, the human body is not only affected by the two factors of temperature or humidity, but the result of the combined effect of the two. Pass the experimentally determined indoor temperature and humidity are: winter temperature of 18 to 25 ° C, humidity of 30% to 80%; summer temperature of 23 to 28 ° C, humidity of 30% to 60%. More than 95% of people feel comfortable in this range. In an air-conditioned room, the room temperature is 19 to 24 ° C, and the humidity is 40% to 50%. If the influence of temperature and humidity on people's thinking activities is taken into account, the optimum room temperature should be high. At 18 ° C, the humidity should be 40% to 60%. At this time, the person's mental state is good and the thinking is the most agile.

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