What is the Heat Exchanger \ Purpose of Heat Exchanger 

Thank you so much for making such content in such a simple manner; It's easy to understand and very helpful.

nice explanation in straight way

I want to know if it is possible to use a heat exchanger to heat a swimming pool and simultaneously cool a room using the same unit. Please let me know. Thanks

Vapours the fluid or evaporated the fluid difference between both sides . please explain it

Sir reciprocating gas compressor discharge pressure high or suction pressure high reasons explain plz.

Very nice topic

Very very thanks vaa

Sir oil yaa kisi vi liquid ko heat kyu karte hai