How are Non Combusted Cigarettes, Sometimes Called Heat Not Burn Products, Different from E Cigarettes and Cigarettes? FDA Heat Not Burn vs Vaping: What's Better for UK Users? The Ancoats Vape Lounge Vaping is the act of inhaling an aerosol (often mistakenly called vapor) produced by a battery operated device called an e cigarette or vape. These devices heat a liquid that usually contains nicotine, flavorings, HEATED TOBACCO VS E CIGARETTES: WHAT'S DIFFERENT?