On the deciding criteria
Why it sits here
- Ahead of the BlueCube C1 by 0.83, led by temperature (10 against 4) and capacity (10 against 3).
- Wrong for anyone who wants a long warranty: warranty & support scores 1, against 7 for five of these ten.
Top rated cold plunge tubs · ranked by score3 November 2026
The Sun Home Cold Plunge Pro ranks first of 35 cold plunges we have scored, at 8.3 out of 10. The ten on this list cost $3,999 to $20,500, and their scores are within 2.09 of each other. Across all 35, scores run from 2.5 to 8.3.
The top 10 at a glance
Sun HomeCold Plunge Pro
$13,999
BlueCubeC1
$16,500
BlueCubeC3
$20,500
Sun HomeCold Plunge Pro Titan
$15,199
Sun HomeCold Plunge Pro Apex
$14,999
BlueCubeC2
$18,500
Sun HomeHorizontal cold plunge
$3,999
BlueCubeDeep cold plunge
$14,750
BlueCubeDrop cold plunge
$11,750
Morozko ForgeIce Bath lay-down plunge
$16,990
Every product we scored, placed by overall score. The 10 on this list are in color.
In order of overall score. Under each: where it wins and loses on the three criteria that separate these 10, and why it sits where it does.
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
On the deciding criteria
Why it sits here
Just outside the ten: the Sun Home Vertical cold plunge, 11th at 5.7, 0.51 behind.
Temperature, Warranty & Support and Build & Insulation.
| Overall | Product | Temperature4–10 | Warranty & Support1–7 | Build & Insulation2–8 | 3-criteria rank |
|---|---|---|---|---|---|
| 1 | Sun HomeCold Plunge Pro |
10 | 1 | 8 | T-1 |
| 2 | BlueCubeC1 |
4 | 7 | 8 | T-6 ▼4 |
| 3 | BlueCubeC3 |
6 | 7 | 8 | T-1 ▲2 |
| T-4 | Sun HomeCold Plunge Pro Titan |
10 | 1 | 7 | T-4 |
| T-4 | Sun HomeCold Plunge Pro Apex |
10 | 1 | 7 | T-4 |
| 6 | BlueCubeC2 |
4 | 7 | 8 | T-6 |
| 7 | Sun HomeHorizontal cold plunge |
10 | 1 | 2 | 10 ▼3 |
| T-8 | BlueCubeDeep cold plunge |
4 | 7 | 8 | T-6 ▲2 |
| T-8 | BlueCubeDrop cold plunge |
4 | 7 | 8 | T-6 ▲2 |
| 10 | Morozko ForgeIce Bath lay-down plunge |
10 | 3 | 6 | 3 ▲7 |
Ranked on these three alone, the order changes most for the Morozko Forge Ice Bath lay-down plunge (10th overall, 3rd on those three criteria) and the BlueCube C1 (2nd overall, tied for 6th on those three criteria).
3-criteria score: the weighted average of these three alone, and where it places each of the 10.
What holds across the list rather than for one product.
The same scores, cut by price. Rank is against all 35.
First edition - nothing to compare yet. From the next edition this section lists every move, with its cause:
Scored on our criteria, but fewer than two independent sources cover them, so they carry no overall score. Sorted by specification score.
On our scores, the Sun Home Cold Plunge Pro: 8.3 overall, first of 35 we scored on 3 November 2026. The BlueCube C1 is 0.83 behind at $16,500.
On our scores: the Sun Home Cold Plunge Pro (8.3), the BlueCube C1 (7.5) and the BlueCube C3 (7.3). We score 35 cold plunges in all, and the rest of the order is on this page.
On our scores, yes: 8.3 overall against 7.5. The Sun Home Cold Plunge Pro is ahead on temperature (10 against 4) and capacity (10 against 3). The BlueCube C1 is ahead on warranty & support (7 against 1) and heating / cooling power (10 against 6). They cost $13,999 and $16,500.
The Desert Plunge Exclusive Cold Plunge at $2,898, 20th of 35 overall. Next are the Polar Dive MAX Inflatable Cold Plunge ($949, 26th) and the Polar Dive POD Cold Plunge Tub ($549, 30th).
The 35 cold plunges we score list at $549 to $28,880 at the maker's own store, and half cost $7,999 or less. The ten on this list run $3,999 to $20,500.
The BlueCube C1, the BlueCube C3 and the BlueCube C2 score 10 on heating / cooling power, the highest of the ten.
Five carry a 3-year warranty: the BlueCube C1, the BlueCube C3, the BlueCube C2, the BlueCube Deep cold plunge and the BlueCube Drop cold plunge.
Five score 10 on temperature, the highest of the ten: the Sun Home Cold Plunge Pro (1st overall), the Sun Home Cold Plunge Pro Titan (4th overall), the Sun Home Cold Plunge Pro Apex (4th overall), the Sun Home Horizontal cold plunge (7th overall) and the Morozko Forge Ice Bath lay-down plunge (10th overall).
Five score 10 on capacity, the highest of the ten: the Sun Home Cold Plunge Pro (1st overall), the Sun Home Cold Plunge Pro Titan (4th overall), the Sun Home Cold Plunge Pro Apex (4th overall), the BlueCube Deep cold plunge (8th overall) and the BlueCube Drop cold plunge (8th overall).
Six score 8 on build & insulation, the highest of the ten: the Sun Home Cold Plunge Pro (1st overall), the BlueCube C1 (2nd overall), the BlueCube C3 (3rd overall), the BlueCube C2 (6th overall), the BlueCube Deep cold plunge (8th overall) and the BlueCube Drop cold plunge (8th overall).
Four score 7 on features & water care, the highest of the ten: the Sun Home Cold Plunge Pro (1st overall), the BlueCube C1 (2nd overall), the BlueCube C2 (6th overall) and the Sun Home Horizontal cold plunge (7th overall).
The Sun Home Horizontal cold plunge at $3,999 (7th of 35 overall). The most expensive is the BlueCube C3 at $20,500.
The Sun Home Cold Plunge Pro, at 7.0 out of 10 on what owners and independent testers report, the highest of the ten. That comes from two sources, and it is 1st overall.
Of the ten on this list, BlueCube has five, Sun Home has four and Morozko Forge has one. The top pick is from Sun Home.
35, from 11 brands. We list 65: 30 have fewer than two independent sources.
By the overall score: half our specification score across eight criteria, half what owners and independent testers report across up to five sources. The same number sits on every product page.
This edition is dated 3 November 2026. The list is rebuilt whenever our product data changes, and a new edition goes up once it has been checked. Anything that moved since the last edition is listed on this page with the reason.
Answered from our data, with the products behind each answer.

How cold does a cold plunge get?35 of the 65 cold plunges we list are rated to hold water at 37°F or colder, as their makers rate them.
How many gallons is a cold plunge?31 of the 65 cold plunges we list hold more than 100 gallons, as their makers rate them.
Does a cold plunge need a dedicated circuit?Seven of the 65 cold plunges we list ask for a dedicated circuit of 20 A or more, or a 240 V supply, as their makers state it.
Do cold plunges heat as well?35 of the 65 cold plunges we list also heat their water to 100°F or more, as sold at the entry price.Scores calculated 3 November 2026 · 35 products ranked; a product needs at least two independent sources to be ranked · · How we score · All rankings