Espresso Machines - How to Choose the Right Espresso Machine for You Espresso machines make the water hot to close to boiling point, then force it through finely ground coffee sucked tightly into a portafilter. This creates an intense espresso. Many models let you regulate key espresso elements like temperature https://wwwcoffeeeuk73731.blogdomago.com/29138092/15-terms-that-everyone-who-works-in-best-home-espresso-machine-industry-should-know