A heat exchanger is a device used to efficiently transfer heat from one fluid to another. The fluids may be separated to avoid direct contact or mixing.

• Adiabatic wheel heat exchanger
• Double pipe heat exchanger
• Dynamic scraped surface heat exchanger
• Fluid heat exchanger
• Phase-change heat exchanger
• Pillow plate heat exchanger
• Plate and shell heat exchanger
• Plate fin heat exchanger
• Plate heat exchanger
• Shell and tube heat exchanger
• Waste Heat Recovery Unit heat exchanger

• Heat pipe
• Heat pump
• Micro heat exchanger

Wikimedia Commons has media related to Heat exchangers.

• Heat Exchangers at the Open Directory Project

This short article about science can be made longer. You can help Wikipedia by adding to it.