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How much does it cost to run a hot tub? ($30.60/mo)
Running a hot tub costs about $30.60 / month
($1.02/day at 4 h/day, $0.17/kWh).
($1.02/day at 4 h/day, $0.17/kWh).
Running cost calculator
Per hour—
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Energy/mo—
A hot tub's heater and pump make it a serious year-round energy user, with a constant standby draw to keep the water warm.
Cost at different electricity rates
| Electricity rate | Per day | Per month | Per year |
|---|---|---|---|
| $0.10/kWh | $0.60 | $18.00 | $219.00 |
| $0.15/kWh | $0.90 | $27.00 | $328.50 |
| $0.20/kWh | $1.20 | $36.00 | $438.00 |
| $0.25/kWh | $1.50 | $45.00 | $547.50 |
| $0.30/kWh | $1.80 | $54.00 | $657.00 |
| $0.40/kWh | $2.40 | $72.00 | $876.00 |
Cost over time
| Per hour of use | $0.26 |
| Per day (4 h) | $1.02 |
| Per month | $30.60 |
| Per year | $372.30 |
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 hot tub uses.
FAQ
How many watts does a hot tub use?
The heater draws 1500-6000 watts when on, plus ongoing power to hold temperature.
How do I lower hot tub running costs?
Use a good cover, lower the set temperature and insulate the cabinet.
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