The Ninja Hot and Cold Brewed System CP307 is part of the Coffee maker
test program at Consumer Reports. In our lab tests, Coffee maker
models like the Hot and Cold Brewed System CP307 are rated on multiple criteria, such as those listed below.
Convenience: Reflects ease of assembling and use. For the automatic brewers, we also judged the clarity of the controls.
Ease of cleaning: Reflects the ease of removing coffee grinds, cleaning the basket and the carafe.
Taste: Based on judgment by coffee expert, using medium and dark roast coffee grounds. Coffee to water ratio and dilution ratio followed the manufacturers’ suggested recipe. Taste may vary by adjusting coffee, time and water usage for a weaker or stronger brew.
Dishwasher safeAll or some removable parts can be put into the dishwasher.
Carafe materialTypically made of glass, but some models may be plastic or insulated stainless steel carafe.
insulated stainless steel
Claimed capacityCapacity as listed on the product or packaging, converted to ounces.
Claimed stay fresh period
Claimed stay fresh periodPer claimed, the number of days the brewed coffee can stay fresh in the refrigerator.
Brew timeFor the manual models, the time indicated is the brew time recommended by the manufacturer. For the automatic models, the values listed are preset times depending on the various settings selected.
Exterior heightOur measurement, rounded up to the nearest inch.
Exterior widthOur measurement, rounded up to the nearest inch.
Exterior depthOur measurement, rounded up to the nearest inch.