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How much does it cost to run a robot vacuum? ($0.23/mo)
Running a robot vacuum costs about $0.23 / month
($0.01/day at 1.5 h/day, $0.17/kWh).
($0.01/day at 1.5 h/day, $0.17/kWh).
Running cost calculator
Per hour—
Per day—
Per month—
Per year—
Energy/mo—
A robot vacuum runs on a small battery, so its real energy use is the charging dock topping up between cleans.
Cost at different electricity rates
| Electricity rate | Per day | Per month | Per year |
|---|---|---|---|
| $0.10/kWh | $0.00 | $0.13 | $1.64 |
| $0.15/kWh | $0.01 | $0.20 | $2.46 |
| $0.20/kWh | $0.01 | $0.27 | $3.28 |
| $0.25/kWh | $0.01 | $0.34 | $4.11 |
| $0.30/kWh | $0.01 | $0.40 | $4.93 |
| $0.40/kWh | $0.02 | $0.54 | $6.57 |
Cost over time
| Per hour of use | $0.01 |
| Per day (1.5 h) | $0.01 |
| Per month | $0.23 |
| Per year | $2.79 |
How to spend less
- Run it fewer hours or on an eco / lower setting.
- Upgrade to a more efficient model (check the energy label).
- Use a smart plug or timer to kill standby and idle draw.
Want the raw figure? See how many watts a robot vacuum uses.
FAQ
How many watts does a robot vacuum use?
Around 20-90 watts while charging; very little over a full day.
Does the dock waste power when idle?
Only a couple of watts to keep the robot topped up - negligible on your bill.
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