Buy from Plunge: Air
Plunge's own page for the Air. Not a paid link.
Air vs Cold Plunge Vertical
Plunge Air and Sun Home Cold Plunge Vertical, compared on the figures their makers publish. Both are cold plunges with a chiller, and the water capacities their makers state are within 30% of each other.
The makers' figures side by side
| Specification | Plunge Air | Sun Home Cold Plunge Vertical |
|---|---|---|
| Indoor or outdoor | Indoor/outdoor | Indoors or out — but the chiller needs ambient temperatures above 40°F to run |
| Outside dimensions | 61" L x 32" W x 28" H | Vertical Length 35.4″ Width 35.4″ Height 35.4″ |
| Electrical supply | The Plunge Air uses a standard 110V outlet | Dedicated 15 Amp GFCI Circuit; NEMA 5-15 (standard wall plug) |
| Weight | — | 15.5 lbs tub · 88 lbs chiller |
| Material | Made from advanced warp knit drop stitch material; UV-resistant and insulated to maintain cold water temperatures | A puncture-resistant inflatable tub — vertical or horizontal — with an insulated cover |
| Water capacity | Water Capacity (gallons): 105 | 106 gal |
| Chiller | Inflatable Cold Plunge With Chiller | The standalone chiller cools and heats, covering 32°F to 104°F |
| Lowest temperature the maker states | — | 32°F |
| Filtration and sanitation | — | A metal mesh filter catches hair and debris, a 20-micron paper filter handles the fine stuff, and ozone injection keeps the water sanitized. |
| Warranty | Includes a 1-year warranty on the chiller only. The Plunge Air tub is covered by a 90-day warranty. | 1+ Year Warranty |
| Price on the maker's site | $4,390 (plunge.com, 29 Sep 2026) | $3,899 (sunhomesaunas.com, 29 Sep 2026) |
Each figure is the maker's own, as cited row by row on the Air and Cold Plunge Vertical 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.
Where to buy
Buy from Sun Home: Cold Plunge Vertical
Sun Home's own page for the Cold Plunge Vertical. Not a paid link.
Where the published figures differ
- Indoor or outdoor: Air: Indoor/outdoor. Cold Plunge Vertical: Indoors or out — but the chiller needs ambient temperatures above 40°F to run.
- Outside dimensions: Air: 61" L x 32" W x 28" H. Cold Plunge Vertical: Vertical Length 35.4″ Width 35.4″ Height 35.4″.
- Electrical supply: Air: The Plunge Air uses a standard 110V outlet. Cold Plunge Vertical: Dedicated 15 Amp GFCI Circuit; NEMA 5-15 (standard wall plug).
- Material: Air: Made from advanced warp knit drop stitch material; UV-resistant and insulated to maintain cold water temperatures. Cold Plunge Vertical: A puncture-resistant inflatable tub — vertical or horizontal — with an insulated cover.
- Water capacity: Air: Water Capacity (gallons): 105. Cold Plunge Vertical: 106 gal.
- Chiller: Air: Inflatable Cold Plunge With Chiller. Cold Plunge Vertical: The standalone chiller cools and heats, covering 32°F to 104°F.
- Warranty: Air: Includes a 1-year warranty on the chiller only. The Plunge Air tub is covered by a 90-day warranty. Cold Plunge Vertical: 1+ Year Warranty.
- Price on the maker's site: Air: $4,390 (plunge.com, 29 Sep 2026). Cold Plunge Vertical: $3,899 (sunhomesaunas.com, 29 Sep 2026).
Figures we cite for only one of the two: weight (only Sun Home's cited pages give it); lowest temperature the maker states (only Sun Home's cited pages give it); filtration and sanitation (only Sun Home's cited pages give it). Ask the other maker before treating the two as equal on those points.
Read each one in full
Plunge Air
Plunge · cold plunge with a chiller · 105 gallons · for indoor or outdoor use · 120 V supply
Sun Home Cold Plunge Vertical
Sun Home · cold plunge with a chiller · 106 gallons · for indoor or outdoor use
Sources
- Air - Plunge — Plunge
- Cold Plunge Vertical - Sun Home — Sun Home