[Method evaluating heat isolation for individual device suit designed to protect workers from coldness].

Based on results of personal research and of foreign studies, the authors present a method to calculate heat isolation for individual protective means set necessary for human heat state preservation in real working conditions. The method includes surface temperature measurements with consideration of cooling degree and energy consumption, calculation of separate elements of heat balance and density of "net" heat flow in correlation with cooling duration. Calculating heat isolation, the authors considered influence of wind speed on its value and air-resistance of outer clothing.