Check out these youtube videos on various types of heat exchangers, their operation and maintenance etc.

Air Cooled HE Assembly

Air Cooled Heat Exchanger Animated Assembly Video View video..

Air Cooled HE Working

How Air Cooled Heat Exchanger Works View video..

Shell and Tube HE Cleaning

Shell and Tube Heat Exchanger Removal and Cleaning View video..

Shell and Tube HE Design

Design of Shell and Tube Heat Exchanger, animation by OcS View video..

Shell and Tube HE

Shell and Tube Heat Exchanger by Campbell – Sevey View video..

Plate HE Working

Sondex Plate Heat Exchanger – Working Principle View video..

Plate HE Assembly

Plate type heat Exchangers Assembly And Working View video..

Plate HE Disassembly

Tranter Plate & Frame Heat Exchanger Disassembly Instructions Video View video..

Double Pipe HE

Double Pipe Heat Exchanger (University of Central Oklahoma) View video..

Spiral HE Animation

Spiral Heat Exchanger Flow Simulation & Animation Video View video..