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FIRE & ICE

The best all in one cold plunge, tub and chiller together

By Craig Fearn, Fellow of the Royal Society for Public Health·Updated July 2026·Prices checked August 2026·Independent, commission never changes our ranking

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A self-chilling all in one cold plunge tub with visible chiller unit on a covered patio

Some buyers have already made the decision: they want powered cold, not an ice run. What they don't want is a second decision, sourcing a tub, sizing a chiller to it, and plumbing the two together as a weekend project. An all in one cold plunge is the answer, tub, chiller and filtration sold and delivered as one unit, plug it in and the habit that lifts mood and mental clarity within minutes is ready every morning, not just on ice days (Fox et al., Scientific Reports, 2025). The gap between the cheapest and the most expensive unit on this page is nearly $8,400, and almost none of it is about how cold the water gets. Here is the honest range, by price, and what you actually get for each step up.

The short answer. Cheapest real bundle, in stock now: the $569 Plunge Chill Chiller and Tub. Most cooling power Plunge Chill sells as one purchase: the $1,499 1HP Chiller and Pro Tub. Want it built to last a decade of daily use, still in stock rather than made to order: the $4,990 Sweat Kingdom OG Plunge. Want the most cooling power available, full stop: the $8,990 Blast. Not sure the habit will stick yet? Don't spend any of this, start with a budget cold plunge first. Run your own running-cost number in the cost-to-run calculator before you buy any of them.

What is an ice bath machine?

Most people typing "ice bath machine" into a search bar don't actually mean a machine that makes ice, they mean a self-chilling cold plunge, a tub with a chiller built in or bundled with it that holds a set cold temperature on demand. No bagged ice, no forgetting to fill the cooler the night before. It's worth saying what it isn't, too, a dry cold plunge or cryotherapy chamber cools you with refrigerated air, not water, a different technology and a different price point entirely. Every pick below is a water-based unit, tub and chiller together.

Cold plunge machine or all in one tub, same thing?

Usually, yes. "Cold plunge machine" is mostly how buyers search for a powered, self-chilling unit, exactly what's on this page. The real fork isn't in the name, it's in how the tub and chiller are sold. An all-in-one bundle, like every pick here, is one purchase and one delivery, tub and chiller matched and shipped together. A standalone chiller bolted onto a tub you already own is cheaper again but is a small plumbing project, not an appliance, we cover that route in full in our cold plunge chillers guide. If you haven't settled on powered cold at all yet, our cold plunge tubs guide covers the wider field, including brands outside the Plunge Chill and Sweat Kingdom range.

The range, $569 to $8,990

Every unit below genuinely bundles a tub and a chiller as one purchase. Price mostly buys basin size and chiller strength on the Plunge Chill side, and buys insulation, filtration and a longer-lived build once you cross into Sweat Kingdom territory.

$569Plunge Chill$659Plunge Chill$899Plunge Chill$999Plunge Chill$1,399Plunge Chill$1,499Plunge Chill$4,990OG Plunge~5wk$8,990Blast

Bar height is log-scaled so a $569 bundle and an $8,990 tub both render sanely. The dot marks units the feed lists in stock now, everything here ships now except the Blast, which it does not, so confirm its lead time with Sweat Kingdom.

Plunge Chill Chiller and Tub

Cheapest way in
Plunge Chill Chiller and Tub
$569

In stock. Price is for the unit and excludes delivery.

Code ANNIVERSARY10 takes $56.90 off, $569 down to $512.10 at the retailer.

Runs to January 1, 2027. Codes are the retailer's to change or withdraw, so check it applies before you pay.

Includes
Chiller and tub, one purchase
Chiller HP
not stated by maker

Buy it if, you want the lowest-priced way to own a tub and a chiller as one purchase, no separate sizing or plumbing to work out.

Watch out, it is the entry unit in the range, so if you want a bigger basin or more cooling power the XXL or a 1 HP version below is the better fit.

Plunge Chill Chiller and Tub Max

Plunge Chill Chiller and Tub Max

A step up in basin size from the entry bundle, same tub and chiller, no separate purchase.

$659

In stock. Price is for the unit and excludes delivery.

Code ANNIVERSARY10 takes $65.90 off, $659 down to $593.10 at the retailer.

Runs to January 1, 2027. Codes are the retailer's to change or withdraw, so check it applies before you pay.

Plunge Chill Chiller and Tub XXL

Biggest tub under $1,000
Plunge Chill Chiller and Tub XXL
$899

In stock. Price is for the unit and excludes delivery.

Code ANNIVERSARY10 takes $89.90 off, $899 down to $809.10 at the retailer.

Runs to January 1, 2027. Codes are the retailer's to change or withdraw, so check it applies before you pay.

Includes
Chiller and tub, one purchase
Chiller HP
not stated by maker

Buy it if, you want the roomiest basin in the bundled range and still want to stay under $1,000 all in.

Watch out, chiller horsepower is not published for this SKU, so if fast cooldown in a hot climate matters more than basin size, a 1 HP bundle below is the safer bet.

Plunge Chill Chiller and Pro Tub

Plunge Chill Chiller and Pro Tub

Pairs the standard chiller with the larger Pro tub, the middle ground before the 1 HP versions.

$999

In stock. Price is for the unit and excludes delivery.

Code PCHILL100 takes $100 off, $999 down to $899 at the retailer, this product only.

Runs to December 31, 2026. Codes are the retailer's to change or withdraw, so check it applies before you pay.

Plunge Chill 1HP Chiller and Plus Tub

Plunge Chill 1HP Chiller and Plus Tub

A 1 HP chiller on the mid-size Plus tub, more cooling power without paying for the biggest basin.

$1,399

In stock. Price is for the unit and excludes delivery.

Code ANNIVERSARY10 takes $139.90 off, $1,399 down to $1,259.10 at the retailer.

Runs to January 1, 2027. Codes are the retailer's to change or withdraw, so check it applies before you pay.

Plunge Chill 1HP Chiller and Pro Tub

Best value all in one, in stock
Plunge Chill 1HP Chiller and Pro Tub
$1,499

In stock. Price is for the unit and excludes delivery.

Code ANNIVERSARY10 takes $149.90 off, $1,499 down to $1,349.10 at the retailer.

Runs to January 1, 2027. Codes are the retailer's to change or withdraw, so check it applies before you pay.

Includes
Chiller and tub, one purchase
Chiller HP
1 HP

Buy it if, you want the strongest cooling Plunge Chill sells as a bundle, a 1 HP chiller paired with its largest Pro tub, in stock and shipping now.

Watch out, it is the most expensive Plunge Chill bundle, close enough to a made-to-order Sweat Kingdom tub that it is worth comparing build quality, not just price, before you decide.

Sweat Kingdom OG Plunge

Better, the premium in-stock all-in-one
Sweat Kingdom OG Plunge
$4,990

In stock. Price is for the unit and excludes delivery.

Cools to
39°F, 36°F with the 1/2HP upgrade
Chiller
Built-in + filtration
Build
Insulated all-in-one

Buy it if, build quality and years of daily use matter more to you than upfront price, and you still want it in stock rather than made to order, it holds clean water with no plumbing and no electrician, on the 1/4HP chiller Sweat Kingdom rates to 39°F unless you pay up for the 1/2HP.

Watch out, it costs roughly ten times the cheapest Plunge Chill bundle, so it's the right buy once you know the habit sticks, not the way to test whether it will.

Sweat Kingdom Blast

Sweat Kingdom Blast

Best, the most cooling power here: a 1 HP chiller in a roomy stainless upright basin, indoor or outdoor, no plumbing.

from $8,990 · $8,990–$9,650 across 6 options, choose on the product page

Confirm stock and lead time with the retailer. Price is for the unit and excludes delivery.

Cold plunge with chiller included, what that really means

Every unit on this page genuinely has the chiller included, one product, one price, one delivery. That's not true of everything Plunge Chill sells, some of their listings are tubs only, insulated but with no chiller at all, meant to be paired with ice or bought alongside a standalone chiller separately. We've deliberately kept those off this page, they belong with the budget, ice-only picks instead. If you already own a tub and only need the chiller half, see the standalone options in our chillers guide, and if you're weighing a separate chiller against a bundle like these, we've laid out that exact decision in chiller versus all in one.

Good, better, best, and what you're really paying for

Good. Any Plunge Chill bundle, $569 to $1,499, ships now. This is the value appliance, prove the daily habit without a decade-purchase price tag. Better. The $4,990 Sweat Kingdom OG Plunge, still in stock rather than made to order, insulated and filtered as a durability upgrade over the entry tier. Best. The $8,990 Blast, the most chiller power on this page in a large stainless basin, and the one unit here the feed does not list in stock, so confirm its lead time before you count on a date. Don't spend $4,990 to find out if you'll use a cold plunge, and don't expect a $659 bundle to feel like a $4,990 stainless unit, they're solving different problems at different prices.

What I'd tell a client choosing between these

A career spent helping organisations manage stress, recovery and wellbeing has taught me that the tool people keep using is the one already sitting there ready, not the one they have to plan for. That's the case for any all in one unit over a DIY chiller project, full stop. Where price matters is convenience versus build. A Plunge Chill bundle gets someone into daily cold water for under $1,500 with none of the sizing or plumbing work a separate chiller demands, and for the first year or two of building the habit, that's honestly enough. What changes at Sweat Kingdom's price point isn't the cold, it's whether the insulation, the filtration and the shell are built to run daily for a decade rather than get someone started. If budget is genuinely tight, buy the cheaper bundle and don't feel you're settling, if you already know this is a permanent fixture in your routine, the extra spend on OG Plunge or Blast buys you years of not thinking about maintenance.

Who shouldn't buy any of these yet, anyone who hasn't proven the habit with at least a month of consistent ice plunges, and anyone who would feel the running cost of a chiller as a real monthly strain on top of the purchase. Start with a budget cold plunge and come back once it's routine, not a resolution.

Common questions

What is an ice bath machine?

Most people mean a self-chilling cold plunge, a tub with a built-in or bundled chiller that holds a set cold temperature on demand instead of bagged ice. It's not the same as a dry cold plunge or cryotherapy chamber, which cools with refrigerated air, not water.

Is a cold plunge machine the same as an all in one tub?

Usually yes, it's mostly how buyers search for a powered, self-chilling unit, tub, chiller and filtration together rather than bought and plumbed separately.

Do all of these come with the chiller included?

Yes, every pick here is sold as chiller and tub together, one purchase. That's different from a bare tub chilled with a separate standalone chiller, see our chillers guide if you already own a tub.

How much does an all in one cold plunge cost?

From $569 for the entry Plunge Chill bundle to $8,990 for the Sweat Kingdom Blast, most buyers land between $569 and $1,499, or $4,990 if build quality matters more than upfront price.

Should I buy a Plunge Chill bundle or a Sweat Kingdom tub?

Plunge Chill is the cheaper, in-stock way to prove the habit. Sweat Kingdom costs more but is built for a decade of daily use, not just to get you started.

Sources & method

Prices, images and stock status pull live from the Plunge Chill and Sweat Kingdom product feeds, current July 2026, use the retailer links in each review above for live pricing. Chiller horsepower is stated only where the maker publishes it, we mark "not stated by maker" rather than guess. The mood and mental clarity research cited above is Fox et al., Scientific Reports, 2025 (PMID 41388053), see our cold plunge benefits guide for the full, cited picture. Based on manufacturer specifications and our own research, not first-hand product testing. Prices change often, always confirm at the retailer.