ELECTRIC HEAT RECOVERING APPARATUS

摘要

FIELD: electric heat recovering equipment. ^ SUBSTANCE: apparatus has inlet air fan and waste air fan, small-sized heat-exchanger made from polymeric materials, air feeding branch pipe, air discharge duct and air inlet duct. Apparatus is further provided with electric inlet air heater positioned between inlet air fan and air feeding branch pipe, and recirculation channel for connecting waste air duct to inlet air duct through gate. ^ EFFECT: reduced consumption of power and enhanced reliability in operation of apparatus. ^ 1 dwg