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Cold plunge or sauna: what does each cost to buy, install and run at home?

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Summary

A home sauna or cold plunge budget has three parts: equipment, installation and running costs. Plunge's tub was listed at $6,790 and its Infrared Sauna page showed $7,690 on Plunge's store, checked 2026-10-23; confirm the selected sauna version before comparing orders. Almost Heaven's Pinnacle barrel sauna was listed from $6,060 on its store that day, before electrical work. Running costs depend on actual power use, heating or cooling time and your utility rate, so the purchase-price difference alone cannot decide which costs less to own.

What each costs to buy

Plunge's store prices checked 2026-10-23 put its cold plunge tub at $6,790 and its Infrared Sauna page at $7,690, a $7,690 - $6,790 = $900 difference. The infrared figure needs to be matched to the selected version before it becomes an order comparison. Plunge's traditional cedar rooms with HUUM heaters were listed at $11,040 for The Sauna and $10,620 for the two-person Sauna Mini on its store that day.

If you want a plunge tub and plan to manage cooling without a powered chiller, consider the Ice Barrel 500, listed at $1,749.99 on Ice Barrel's store, checked 2026-10-23. That is a tub-only comparison. Include the cost and practical work of supplying ice or another approved cooling arrangement before comparing it with a chilled system.

Sauna prices from other makers, all checked 2026-10-23:

  • Sun Home Saunas Pod: 1-person far-infrared, listed at $6,599 with a list price of $6,699 on Sun Home's store.
  • Almost Heaven Madison 2-3 Person Indoor Sauna: regular price $6,450, sale from $5,160 on Almost Heaven's store.
  • Almost Heaven Pinnacle 4 Person Barrel Sauna: regular price $7,575, sale from $6,060.
  • Almost Heaven Huntington 4-6 Person Canopy Barrel Sauna: regular price $8,932, sale from $7,145.60.
  • Sun Home Saunas Eclipse 2-person: listed at $9,999, list price $10,599 on Sun Home's store, checked 2026-10-23.

Plunge's sauna pages also list add-ons: an accessory kit at $114 for The Sauna and The Sauna Mini, a power cord at $65 for The Sauna Standard, $114 for the XL and $46 for the Mini, and a HUUM heater safety rail at $427.90 for The Sauna. For a rough budget, this site's home sauna cost page breaks sauna spending into its parts.

What each needs installed

Almost Heaven specifies a 6 kW heater, 240V, 30-amp hardwired connection for the Pinnacle; its LED lighting uses a separate 120V, 15-amp plug-in connection. Have an electrician check whether a suitable supply is already available. A new circuit, if needed, depends on the distance from the panel and the home's spare electrical capacity.

Dedicated-circuit requirements for the other products, from each maker's page:

  • Plunge Infrared Sauna Standard: 120V, 20A dedicated circuit, NEMA 5-20 plug-in.
  • Plunge Infrared Sauna Pro: 240V, 20A dedicated circuit, NEMA 6-20.
  • Sun Home Saunas Pod: 120V, 20A dedicated GFCI circuit.
  • Plunge Pro Chiller: 120V, 15A dedicated circuit.

For a suitable indoor space where a dedicated 120V, 20A supply can be provided, compare Plunge's Infrared Standard with Sun Home's Pod. Sun Home listed the Pod at $6,599 on its store, checked 2026-10-23. Lower voltage does not remove the need to check panel capacity or the model's specified protection.

The dedicated supply cannot also serve the lamps, chargers and other loads already in the room. The electrical requirements page and electrical load planner can help you prepare those details for the electrician.

Almost Heaven lists professional installation starting at $1,400, checked 2026-11-02; obtain a quote for the chosen configuration. With the Pinnacle's recorded prices, $7,575 + $1,400 = $8,975 at regular price, or $6,060 + $1,400 = $7,460 at the listed starting price, before electrical work. Plunge's Infrared page showed $880 assembly, regular $1,880, checked 2026-10-23. Its page-level example is $7,690 + $880 = $8,570, subject to confirmation of the cabin version and assembly offer.

Plunge gives The Infrared Sauna Standard an exterior of 53 1/8 inches wide by 55 1/16 inches deep by 79 inches high, and Sun Home describes the Pod's footprint as just over 40 inches in diameter. Plunge's Infrared Sauna Pro page lists that sauna for indoor use. A filled tub concentrates a large weight on a small area, so an upstairs room or a deck needs a structural check; the cold plunge floor-load page covers that calculation.

What each costs to run

For the heater alone, energy cost is kilowatts x operating hours x your price per kilowatt-hour. Rated output gives a full-power example; actual use depends on warm-up, thermostat cycling and the target temperature. Lighting or other equipment adds its own use.

For illustration, assume the Pinnacle's 6 kW heater draws full power for one hour per session, including warm-up. Then 6 kW x 1 hour = 6 kWh per session, and 6 kWh x 12 sessions = 72 kWh per month for that heater. This is a specified scenario, not a measured bill or a limit for longer sessions. Multiply by the applicable per-kWh charges on your bill to estimate the energy cost.

Compare the operating schedules

A chiller may cycle to hold a target temperature while the tub is not being used. Its consumption depends on ambient conditions, insulation, the cover and the temperature setting. Plunge's Pro Chiller requirement of a 120V, 15A dedicated circuit is not a measured draw. Ask the maker for energy-use information for comparable conditions, or use a suitably rated meter only if the maker permits it for the connection. Do not calculate a monthly bill by assuming the circuit rating is continuous consumption.

Infrared cabins use the same energy formula with their own wattage and operating time. Voltage and receptacle requirements describe the supply a unit needs; they are not a measurement of its electricity consumption.

Sources

  1. plunge.com/products/plunge
  2. plunge.com/products/pro-chiller
  3. plunge.com/products/sauna
  4. plunge.com/products/the-sauna-mini
  5. plunge.com/products/the-infrared-sauna
  6. plunge.com/products/the-infrared-sauna-pro
  7. icebarrel.com/products/ice-barrel-500
  8. almostheaven.com/collections/indoor-saunas
  9. almostheaven.com/products/pinnacle-4-person-barrel-sauna
  10. sunhomesaunas.com/collections/indoor-saunas
  11. sunhomesaunas.com/pages/pod

Specifications, prices and installation requirements are as the makers published them on these pages on the date above and can change. Check the current manual and the retailer before you buy.

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