Our brew-performance tests measure the brew temperature and contact time (how long water stays within a sweet spot of 195° to 205° F for brewing). We measure concentration using a refractometer, a device that measures the amount of coffee dissolved in each brew. Our convenience tests look at how easy it is to set timers, fill the reservoir, clean the machine, and more. And for the first time, we’re incorporating predicted reliability and owner satisfaction ratings into the new Overall Score for each model. We determine these ratings for each drip coffee maker brand using survey data collected from thousands of CR members.
“This little coffee maker is PERFECT! So easy and reliable. It works great for a household with little kitchen space and light coffee drinkers. It has upped my coffee intake because it’s so easy to make coffee now! Plus, to be able to have it waiting in the morning and encourage me to actually get out of bed on time is well worth the price of this little machine.”
A drip coffee system is far superior to an instant coffee maker. For some, the smoother, less intense taste and aroma of a drip coffee system is a lot more palatable than the bitter coffee that tends to be produced by a French press. Not only that, but a drip coffee system is versatile – you can ground up your coffee beans to use in your system, and you can also buy premade blends.
It can take a little while to get to know the ins and outs of a new coffee maker. In CR’s labs, each drip coffee maker we test brews roughly 65 cups by the time our engineers are through with it. And brewing is just one of many aspects we look at. We test for handling and convenience, too, so you can choose a model that helps you sail through morning madness. 
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