HomePlunge H3
CES Innovation Award winner. Maximum power, fastest chill times.
$2,999
0% APR · Free shipping · Accessory bundle offer
Shop H3CES Innovation Award · TIME Best Inventions
Cold plunge,
any bathtub,
any home.
The award-winning chiller that turns the tub you already have into a 34°F plunge — in about 90 minutes.
Real Human Support
Based the USA
Free Shipping
$299 Value
1 Year Warranty
Full coverage guarantee
0% APR
Or 36 month financing with Affirm
As Seen On
Engineered for the home
A chiller designed to disappear
into your bathroom.
01 · Fits any tub
Made for your bathtub.
No new plumbing. No dedicated basin. The H3 drops in beside the tub you already own.
02 · 34°F in ~90 min
Cold, on your schedule.
Set the temperature in the app. Come home to a plunge ready to go. Turn it off when you're done.
03 · Low maintenance
Runs 1–2 hours a day.
Unlike always-on plunges, the H3 only works when you need it. Lower bills. Less upkeep.
Head to head
How HomePlunge compares.
| HomePlunge | The Plunge™ | Ice Barrel™ | DIY Ice Bath | |
|---|---|---|---|---|
| Fits any bathtub | ✓ | — | — | — |
| No ice required | ✓ | ✓ | — | — |
| Precise temp control | ✓ | ✓ | — | — |
| Portability | ✓ | — | ✓ | — |
| Low maintenance | ✓ | — | — | — |
| No upkeep fees | ✓ | — | ✓ | ✓ |
Award-winning design
The first cold plunge to win at CES.
Recognized by TIME's Best Inventions of 2025 and the CES Innovation Awards. Two years of R&D, thousands of hours in the tub.
Choose your model
Two plunges. One promise.
HomePlunge Bella
The 1/2 HP chiller. Smaller footprint. Designed for tighter bathrooms.
$1,999
0% APR · Free shipping · Bathrobe bundle offer
Shop BellaFAQ
Questions, answered.
How long does it take to cool?
One to two hours for most users.
How much will my electric bill go up?
Unlike always-on plunges, HomePlunge runs only 1–2 hours a day. Turn it off when you're done and come back tomorrow.
Do I need to winterize my HomePlunge?
Absolutely not. HomePlunge is designed for your bathtub and never needs to be exposed to freezing outdoor temperatures.
Do you offer financing?
Yes — 0% to 36% APR via Shop Pay Installments and Affirm, subject to eligibility.
How long is the warranty?
One year, with up to 3 additional years available through Surebright.
Can I pre-schedule a chill?
Yes. Scheduling is available via the Tuya smart app — set it before leaving home and come back to a ready plunge.
Do you ship internationally?
We're rolling out international orders slowly. Email info@thehomeplunge.com with your shipping address for availability.
Ready to make your tub your plunge?
Free U.S. shipping, 0% APR financing, and a 1-year warranty — on every order.