Hot, dry, air can increase the risk of eye and throat infections. This condition can prove fatal and survivors may suffer from organ damage. Tiredness and loss of concentration can also lead to an increased risk of accidents, such as burns. Too much cold can mean chilblains, Reynaud s disease, white finger, or frost bite. The body keeps the blood supply to the extremities closed at lower temperature to conserve heat.
Cold conditions can also lead to fatigue since the body uses energy to keep warm.
There is an increased risk of accidents due to numb fingers, obstruction by protective clothing, and slipping on ice, etc. Extreme cold for long periods can lead to hypothermia, loss of consciousness, and eventually comma. While these problems are caused mainly by extremes of temperature, less severe but wrong workplace temperature can cause discomfort, loss of concentration, irritability, and tiredness, etc. There are various informal guides to a safe working temperature. F to 72 F. Acceptable temperatures for heavier types of work will be at the lower end of this range, while sedentary tasks may still be performed with reasonable comfort towards the opposite extreme.