Lower temperature will not extract the bean's full flavour and if the water goes any hotter, it could scald the grounds. Lastly, do not make a habit of using different roasts on a single coffee maker or brewer if there are usual instances of leaving the liquid in the container for a long period. It leaves stains and residue that even diligent cleaning will fail to remove and these affect the flavour of other roasts. There is a wide range of coffee maker companies and models to choose from and you may disagree with what is listed here. Basically, the basis for this top 5 list is the best feature of these coffee makers. Your choice may differ depending on your needs but this list definitely will help you make the right selection. The Tassimo Hot Beverage System uses T DISC brewing system, a microprocessor technology that reads the bar code printed on each disk and adjusts the brewing function accordingly. If you want to prepare a custom blend coffee, you can mix and match different T DISCS like mixing a cappuccino disc, an espresso disc, and a hot chocolate disc whips up a tall cafe mocha. Whichever way you choose, you will definitely have different brands and models. Price range will also vary. Expect single-cup coffee machines to be the inexpensive ones and those top of the line coffee machines with unique and new features to cost a lot. Prepare to pay more if you choose the high end machines with features like water filter, built-in grinder, and double thermal carafes. The bean-to-cup coffee machine is also available and this is ideal to the people who prefer drinking coffee grounded from fresh and whole coffee beans. Brewed coffee is prepared by this kind of coffee machine with the grinder grinding the beans and then the brewing chamber brewing the ground coffee beans. Water slowly drips into the filter basket and goes on to fill the coffee pot. Another popular coffee maker is the espresso machine. Large coffee shops use espresso machines with at least three heads, however only one espresso head is necessary for household use. Espresso coffee makers are specifically designed to use espresso beans only.