Dual boiler espresso machines vs heat exchange espresso machines: what is the difference between them, you may ask? Well, both types of espresso machines are able to pull your espresso shot and froth milk at the same time. However, the main difference between the two is the boiler setup. Furthermore, dual-boiler espresso machines have two separate boilers, one for coffee and one for steam. Thus, this setup allows you to control the temperature of each boiler on its own. In addition, both types can be home espresso machines or small office espresso machines. Want to learn more about comparing a dual boiler and heat exchange? Then, check out our in-depth article.