May 29, 2009|
Question

Dear Dr Brew,
Does the BUNN Home Brewer heat to a consistent 200 degrees all the way through the brew for proper extraction? Let me know, I would like to recommend it if it does, and get one for myself. Or, if you know how I can get properly extracted coffee at home, let me know.

Thanks so much

Bruce
Owner
Olson Coffee Roasters Inc

Answer

Dear Bruce,

The ideal temperature range for brewing coffee with the drip method is 195 - 205 degrees Fahrenheit. BUNN home units are designed to maintain brew temperature within this range.

The most critical phase of the brew cycle is the beginning and middle portion for brew temperature. Check out a previous response to see the brew phases. The Specialty Coffee Association of America (SCAA) recommends the temperature in the basket stays within the temperature range mentioned above during normal operation for at least 90% of the contact time between the water and the coffee grounds. The water contact temperature is measured in the center of the filter on the surface of the coffee.

I prefer to place a thermal couple in a spray head opening when measuring temperature of the brew water. This removes the variable of how the ground coffee was stored (some keep their coffee in the freezer or refrigerator).

Happy Brewing,
Dr. Brew

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