Among the types of coffee makers and their advantages are: Drip Coffee Makers This type of coffee makers comes in 4 to 12 cup capacities. It is also available in various designs and models at different prices. This is, in general, the most economical type of coffee maker. The 10 and 12-cup coffee makers are among the most popular units in this type. Keurig Elite B40 Home Brewer - If you love "K-cups, the Elite B40 is a gourmet single-cup coffee maker that whips up coffee in 45 seconds. It has two cup size option: small mug which is 7.25 ounces and large mug which is 9.25 ounces. Coffee lovers prefer to "K-cup" brewers because it is easy to clean. And then there is also the lever coffee machine. This one is operated manually with the lever that forces the hot water through to ground the coffee beans. 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. Krups XP2070 Coffee and Espresso Combination Machine - If you are a coffee lover with wide range of coffee tastes, what could be more perfect if you can sip coffee anytime of the day, anywhere? The Krups XP2070 may be a sophisticated machine compare to other coffee makers but it is pretty traditional when it comes to brewing espresso, cappuccinos, lattes and other specialty coffees. Disadvantages Of Purchasing Cheap Four Cup Coffee Makers While you can easily find cheap four cup coffee makers, you sometimes need to make a little sacrifice both in the quality of the coffee machine and the taste of the coffee it makes. So if you don t want to end up disappointed of your purchase, better go for more expensive yet high quality larger brewers. The water flows from the reservoir through a hole at the bottom of the bucket and then into the orange tubes located at the heating element part. Because of gravity, the water flows through the valve, partially up through the white tube and into the aluminum tube found in the heating element. When you turn on the coffee maker, the water in the white tube boils.