Solid Tubs

TUNDRA's solid cold plunges are built as permanent recovery fixtures — double-wall insulated shells in premium-grade materials, each paired with the Borealis™ chiller and heater for precise temperature control. Better insulation, better materials, lower long-term energy use. Available as tub-only or as a complete system.

Aurora — oval acrylic tub with double-wall thermal foam insulation. Available in three sizes. The most popular residential choice for its clean form and versatile sizing.

Polaris — rectangular acrylic, clean lines, available in standard and extended length for taller users who need full-body immersion length.

Tavik — barrel-shaped, electroplated stainless steel with cedar cladding. The premium aesthetic choice — engineered for durability and designed to be a focal point in any outdoor space.

Taiga (Gen 2) — an all-in-one unit with the Borealis system fully integrated into the tub. One seamless build, no separate chiller unit. From S$9,990 in White or Matte Black.

Tub only or complete system? Aurora, Polaris, and Tavik are each available as a standalone tub or bundled with the Borealis™ Gen 5 as a complete system — everything needed to start from day one, delivered and commissioned. Taiga comes integrated. Read the Buyer's Guide if you're still comparing.