Coffee makers draw 600–1,200 watts during brewing, but a typical 10-minute brew uses relatively little daily energy. Leaving a carafe warmer on throughout the day burns far more energy than the initial brew.
| Basis | Cost |
|---|---|
| Per hour (while running, 900 W typical) | $0.17 |
| Per day (0.5 h/day, 7/7 days) | $0.085 |
| Per month | $2.58 |
| Per year | $30.95 |
| Hourly range (small 550 W – large 1400 W) | $0.10 – $0.26 |
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