Cold Plunge Running Cost and Electricity Guide
A cold plunge is cheap to run. For most homes with a chiller, the electricity costs about $10 to $30 a month even with daily use, because the chiller only cycles on to hold temperature. A chiller is far cheaper than keeping a tub cold with bagged ice, which can run hundreds of dollars a month. This guide breaks down the numbers, what drives them, and how to keep the cost low.
How much does a cold plunge cost to run?
A home cold plunge with an active chiller typically costs $10 to $30 a month in electricity for daily plunges. A high-efficiency chiller in a normal-temperature room uses roughly 50 cents to $1 of power a day. Entry-level units, warm rooms, or a frequently open lid can push that toward $30 to $60 a month. Compare chiller tubs in our cold plunge tubs, and for purchase pricing see how much it costs to run a cold plunge.
How much electricity does a chiller use?
Most home chillers draw about 500 to 800 watts while the compressor runs, then cycle off once the water reaches the set point. Daily usage is roughly 1 to 5 kWh depending on insulation, water volume, target temperature, and ambient heat. At the U.S. average rate near 16 cents per kWh from the U.S. Energy Information Administration, that is a low single-digit cost per day. A 1 HP chiller cooling around 200 liters and holding it near 38 F can use about 4 to 5 kWh over 24 hours.
Chiller vs ice: which is cheaper?
| Method | Monthly cost | Notes |
|---|---|---|
| Chiller | ~$10 to $30 | Steady temperature, low effort, filtration |
| Bagged ice | $100 to $300+ | Daily hauling, inconsistent temperature |
A chiller wins on both cost and convenience for regular use. See our cold plunge chiller buying guide to size one, or estimate your own number with the cold plunge cost calculator.
What drives the running cost
- Insulation: a well-insulated tub and lid hold cold, so the chiller cycles less.
- Ambient temperature: a hot garage or summer patio makes the chiller work harder than a cool basement.
- Target temperature: colder set points use more energy.
- Water volume and use: bigger tubs and frequent lid-open time raise usage.
How to lower your cold plunge running cost
Keep an insulated cover on between uses, place the tub in a cooler, shaded spot, choose a right-sized chiller, and keep the water clean so the system runs efficiently. These habits keep most home plunges comfortably under $20 a month. Browse insulated chiller tubs in our cold plunge collection and read the cold plunge buying guide before you choose.
Frequently asked questions
How much does a cold plunge cost to run per month?
For most homes with a chiller, about $10 to $30 a month, even with daily use. Entry-level or poorly insulated setups in warm rooms can reach $30 to $60. Once the water hits the set temperature, the chiller cycles on and off, which keeps usage low.
Do cold plunge tubs use a lot of electricity?
No, not for most homes. A chiller draws roughly 500 to 800 watts while running and cycles intermittently, using around 1 to 5 kWh a day depending on insulation and ambient temperature. That is similar to a mini freezer or dehumidifier.
Is a chiller cheaper than buying ice?
Almost always. A chiller usually costs under $20 a month in electricity, while keeping a tub cold with bagged ice can cost hundreds of dollars a month. A chiller also holds a steady temperature without the daily hassle of hauling ice.
Written by Logan McClure, founder of Restore Suite. Every guide is researched using peer-reviewed studies, recognized medical sources, and manufacturer specifications, and Restore Suite is an authorized retailer for the brands we carry. This article is educational and is not medical advice. Learn about our editorial standards or contact our team.