Counter-Flow Energy Recovery Heat Exchanger can be positioned within the supply and exhaust air streams of an air handling system or in the exhaust gases of an industrial process, in order to recover the waste heat. The Heat Exchanger is manufactured using quality grade raw material which ensures optimum durability along with long lasting trouble free service. The Heat Exchanger is efficient in operation and requires nominal maintenance. Counter-Flow Energy Recovery Heat Exchanger is application specific in design and accurate in dimension.