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Chilled plunge tub

Plunge Air

Cold Only (no heater add-on)

$5,490US price, checked Oct 13, 2026

Plunge's lowest-priced chilled tub, inflatable and app-controlled

Check price at Plunge Full review →

Chilled plunge tub

Plunge All-In

Gen 2, Cold Only (no heater add-on)

$7,990US price, checked Oct 13, 2026

Plug-in 105-gallon chilled tub that Plunge says reaches 37°F

Check price at Plunge Full review →

Criterion	Plunge Air	Plunge All-In
US price	$5,490Checked Oct 13, 2026 · Price details in the review	$7,990Checked Oct 13, 2026 · Price details in the review
Three-year ownership estimate	$5,490 Incomplete known subtotal. Not included: installation, annual consumables, energy use.	$7,990 Incomplete known subtotal. Not included: installation, annual consumables, energy use.
Choose if	Anyone who wants Plunge's chiller and app at the lowest list price, with a 15 A circuit near a floor that can hold about 904 lb.	You want an all-in-one chilled tub for home use, indoors or out, and you have a dedicated 120 V, 15 A circuit and a floor that can take 1,150 lb.
Main trade-off	The tub is covered for only 90 days (the chiller gets 1 year), and Plunge doesn't publish enough to estimate running costs.	The price depends on a time-limited sale, the base warranty is one year, and running costs are unknown because the product page gives no power draw.
Key specifications	Lowest stated temperature: 39°F / 4°C Water capacity: 105 gallons Chiller: 1/2 HP for the Air. Plunge rates the standard chiller at 4–6°F per hour and the Pro chiller at 8–10°F per hour. It doesn't say which one ships with Cold Only Electrical: 110–120 V, 15 A. A dedicated circuit is listed as a requirement and recommended in the FAQ. Built-in 15 ft cord. Wattage not published Weight: 28 lb without water, 903.7 lb with water. Chiller weight not published Water care: 20-micron filter plus ozone. Works with chlorine or non-chlorine maintenance Controls: Plunge app over 2.4 GHz Wi-Fi to set temperature and track sessions	Chiller temperature: Down to 37°F. Plunge gives a cooling rate of 10–12 degrees per hour Chiller: 0.75 HP. Plunge says it holds 37°F in 120°F ambient air Water capacity: 105 gallons Electrical: Dedicated 120 V, 15 A circuit and a 7 ft cord with GFCI. Power draw not stated Sanitation: Onboard ozone. Plunge says the full volume is filtered about every 15 minutes Weight: 238 lb empty, 1,150 lb full Heating: None on Cold Only. The Add Heater version ($8,490 in the sale, $10,490 Comp. Value) goes up to 104°F, and Plunge gives a heating rate of 4–5 degrees per hour Controls: The free Plunge app works over Wi-Fi to set the temperature, track sessions and send filter and water-treatment reminders Use: Residential use only, indoors or outdoors. Plunge sells a separate commercial model
Exact variant	Cold Only (no heater add-on)	Gen 2, Cold Only (no heater add-on)
Dimensions	Tub 61 L × 32 W × 28 H in (outer). Plunge doesn't give inner dimensions. The standard chiller is 23 L × 14 W × 18 H in. Plunge also lists a Pro chiller at 28 L × 16 W × 17.5 H in. Leave 12 in of clearance behind the chiller, 12 in to the side and 6 in below. The Air is listed at 28 lb without water and 903.7 lb with water. The chiller's weight isn't published.	Plunge lists the tub at 76.75 L × 31.5 W × 28.75 H in. It weighs 238 lb empty and 1,150 lb filled. Plunge asks for at least 16 in of clearance on the fan side for ventilation. It also wants 12 in at the front for drain access and ventilation, and 4 in on the left side as you face the LED display. Plunge doesn't state interior dimensions.
Installation	It plugs into household power, but Plunge describes the requirement three ways. The product card lists 110 V/15 A. The electrical requirements call for a 120 V, 15 A dedicated circuit and mention a built-in 15 ft power cord. The FAQ says it uses a standard 110 V outlet and recommends a dedicated 15 A circuit with no other appliances on it. Setup, per the FAQ, means inflating the tub with the included pump, connecting two hoses, filling it with water and plugging in. Plunge gives the setup time as 15 or 20 minutes. In-home delivery doesn't include assembly, setup or connection to power or water. It's for indoor or outdoor residential use only.	It needs a dedicated 120 V, 15 A circuit. A 7 ft power cord with a GFCI on the end is built in. There's no plumbing: Plunge says all you need to do is fill it with water and plug it in. Standard delivery is curbside, to the driveway or curb. Most customers qualify for free in-home delivery in Plunge's core "In Area" zones. It puts the tub on the first level, unpacks it and removes the packaging. Setup and connection to power aren't included. In-stock units ship within 8 business days in the lower 48 states. Hawaii, Alaska and US territories take an additional 2 to 3 weeks.
Materials	Plunge describes an inflatable warp-knit drop-stitch tub that's UV-resistant and insulated, with an insulated cover. The page's comparison cards contradict that. They list "fiberglass reinforced acrylic" for the Air and every other Plunge model.	Plunge says it's built for indoor and outdoor use, and an insulated cover is included. Plunge doesn't say what the tub or shell is made of.
Warranty	The tub is covered for 90 days and the chiller for 1 year, according to Plunge's warranty note. Elsewhere the page is less clear. The comparison card lists a "1 year warranty," and the FAQ mentions a "1-year limited warranty" without separating tub and chiller. Coverage starts at delivery. You activate it by downloading the app and connecting the unit to Wi-Fi. It stays active only while the unit remains connected to Wi-Fi and the app.	The standard warranty is 1 year. During the Fall Plunge Sale, Plunge adds a complimentary 2-year extended warranty, which it values at $299. The product page doesn't give coverage details or exclusions.
Returns	The FAQ says you can return the unit within 30 days for a full refund. A second FAQ answer calls it a hassle-free return policy but says some conditions may apply. It points to the full Return Policy, which wasn't checked for this review.	Plunge offers a 30-day guarantee. It says that if you're not 100% satisfied within the first 30 days, you get a hassle-free return policy, though "some conditions may apply". The product page doesn't state return fees or pickup costs.
Unresolved questions	Which chiller (standard or Pro) ships with Cold Only, and so how fast it cools. The store SKU is EVOLVE-AIR-PRO-COLD, but no page text confirms it Chiller wattage and typical daily run time Chiller weight, and whether the 28 lb dry weight covers anything beyond the tub Prices and change interval for replacement filters and water treatment The full return conditions, such as return shipping or restocking fees How long the inflatable tub lasts beyond the 90-day warranty	Average power draw and annual electricity use Noise level (Plunge calls it ultra-quiet but gives no figure) Tub, shell and insulation materials Interior dimensions Return fees and pickup costs Which conditions sit behind "some conditions may apply" on returns Warranty coverage details and exclusions What the extended warranty adds Standalone price and replacement interval for filters and water-care chemicals Whether it carries an electrical safety listing such as ETL or UL When the Fall Plunge Sale ends

These comparisons use published specifications, not head-to-head tests. Prices and terms are dated. Unknown costs are not zero. Check the exact variant before you buy.