See it at SaunaLife: Model S1 Package
SaunaLife's own page for the Model S1 Package. Not a paid link.
Plunge Chill 1HP Chiller + Tub(Plus) and SaunaLife Model S1 Package, compared on the figures their makers publish. The makers of both cold plunges with a chiller state water capacities within 30% of each other.
| Specification | Plunge Chill 1HP Chiller + Tub(Plus) | SaunaLife Model S1 Package |
|---|---|---|
| Indoor or outdoor | indoor and outdoor | outdoor |
| Outside dimensions | 35.4″ Diameter × 31.5″ H | 40"Diameter x 41.3"H |
| Inside dimensions | — | 34.4"Diameter x 36"Height |
| Electrical supply | Plug & Play | — |
| Weight | — | Product weight when filled: 1,158 lbs |
| Assembly | — | Arrives fully assembled |
| Material | PVC + fiberglass; 5-layer insulated design | Thick contoured fiberglass lining |
| Water capacity | 120 gallons | 124 Gallon water capacity |
| Chiller | Cooling Power: 2600W (1 HP compressor) | A built-in chiller/heater |
| Lowest temperature the maker states | 36°F | — |
| Filtration and sanitation | 20-micron inline filter | — |
| Kit includes | 1 x Water Chiller Unit; Insulated lockable lid with 3 secure buckles | This package comes equipped with the tub, a built-in chiller/heater, and stairs. |
| Warranty | — | service for two years for residential applications after delivery to the original retail purchaser |
| Price on the maker's site | $1,399 (sale price on plungechill.com, 29 Sep 2026) | — |
Each figure is the maker's own, as cited row by row on the 1HP Chiller + Tub(Plus) and Model S1 Package pages and listed in the sources below. A dash means the figure is not on the maker pages we cite. Figures marked "about" are Saunakivi's unit conversions of the maker's figure.
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SaunaLife's own page for the Model S1 Package. Not a paid link.
Plunge Chill's own page for the 1HP Chiller + Tub(Plus). Not a paid link.
Figures we cite for only one of the two: inside dimensions (only SaunaLife's cited pages give it); electrical supply (only Plunge Chill's cited pages give it); weight (only SaunaLife's cited pages give it); assembly (only SaunaLife's cited pages give it); lowest temperature the maker states (only Plunge Chill's cited pages give it); filtration and sanitation (only Plunge Chill's cited pages give it); warranty (only SaunaLife's cited pages give it); price on the maker's site (only Plunge Chill's cited pages give it). Ask the other maker before treating the two as equal on those points.
Plunge Chill · cold plunge with a chiller · 120 gallons · for indoor or outdoor use
SaunaLife · cold plunge with a chiller · 124 gallons · for outdoor use