Luxury Spas / Sierra Spas
Cold Plunge Pro XL
$5990Cheaper
Released 2023
Best Cold Plunge Tubs · head-to-head
A sourced, side-by-side comparison. Cold Plunge Pro XL is cheaper at $5990. Every spec and price links to its source.
Luxury Spas / Sierra Spas
$5990Cheaper
Released 2023
Nordic Wave
$6990
Released 2024
On the specs we track, they're closely matched. The Cold Plunge Pro XL is the cheaper at $5990.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $5990 | $6990 |
| Brand | Luxury Spas / Sierra Spas | Nordic Wave |
| Released | 2023 | 2024 |
| Msrp usd | 5990 | 6990 |
| Water capacity gal | 160 | 95 |
| Includes chiller | Yes | Yes |
| Min temp f | 37 | 35 |
| Chiller power hp | 1 | 0.8 |
| Interior length (in) | 70 | 30 |
| Interior depth (in) | 23 | 44 |
| Filtration | Yes | Yes |
| Wi-Fi app control | Yes | Yes |
| Tub material | acrylic | HDPE |
| Insulated | Yes | Yes |
| Weight (lb) | — | — |
Sources — Cold Plunge Pro XL: sierraspa.com (verified 2026-06-23). Viking Gen 2: thenordicwave.com (verified 2026-06-23).
Where the two actually differ on the specs we track (7 of 12). Matching specs are omitted.