HomePlunge H3 1HP Chiller for Bathtub - Transform Bathtub into Cold Plunge

The HomePlunge H3 is an award-winning portable water chiller that transforms any standard bathtub into a professional cold plunge—no plumbing or installation required. Named a special mention in Time's Best Inventions of 2025 and winner of a CES Innovation Award, this compact 2'x2' unit delivers precisely controlled cold therapy at a fraction of traditional cold plunge costs. The innovative bend-and-stay hose-arm dips into your tub to continuously draw, chill, and return water. With 1 HP cooling capacity reaching 34°F and cooling rates of 20-30°F per hour, HomePlunge delivers professional-grade performance without the $10,000+ price tag or permanent space commitment. Setup takes seconds, the chiller runs only 1-2 hours per day (versus 24/7 for standalone tubs), and it stores away effortlessly. Used by professional athletes, Equinox trainers, and wellness enthusiasts nationwide—HomePlunge has chilled over 1 million gallons across America.

Features

• Rapid Cooling Performance: 1 HP chiller cools water 20-30°F per hour, reaching temperatures as low as 34°F for maximum therapeutic benefit
• Universal Bathtub Compatibility: Works with any standard bathtub—no special dimensions, plumbing, or modifications required
• Quick-Connect Hose System: Innovative bend-and-stay hose-arm with quick-connect attachment allows setup in literal seconds without tools or fasteners
• Portable & Compact Design: 18.5" × 16.5" × 20.5" footprint with integrated wheels for easy movement and storage when not in use
• Precise Temperature Control: Digital controls allow you to set and maintain your exact desired temperature with consistent accuracy
• Smart Home Integration: Compatible with Tuya Smart Home app for scheduling and remote control—set it to start cooling before you get home
• Energy Efficient Operation: Only runs 1-2 hours per day versus 24/7 operation of traditional tubs, significantly reducing electricity costs
• Standard Power Requirements: Operates on standard 110V/60Hz/9A household outlet—no special electrical work needed
• Low Noise Operation: 60-75 dB sound level allows comfortable use without excessive noise disruption
• Professional-Grade Construction: Built to handle daily use with durable components trusted by NFL Players Association, MLB, Equinox, and Barry's Bootcamp
• No Ice Required: Eliminates the ongoing expense and hassle of purchasing bags of ice
• Minimal Maintenance: Simple design with replaceable filter keeps water clean with minimal upkeep

Benefits

Why HomePlunge Changes Everything:

• Affordable Cold Therapy Access: Get professional-grade cold plunge benefits for a fraction of the cost—no $5,000-$15,000 tub investment required
• Use Your Existing Bathtub: Transforms any standard bathtub into a cold plunge system without installation or permanent modifications
• Space-Saving Portability: Roll it out when you need it, roll it away when you're done—perfect for apartments, rentals, and homes without dedicated space
• Quick 30-60 Minute Setup: Simply roll out the unit, connect the hose, set your temperature, and you're ready to plunge
• On-Demand Operation: Cold plunge when you want—not when your schedule allows for lengthy setup and breakdown
• Significant Energy Savings: Only runs when you need it, unlike traditional tubs that maintain temperature 24/7, substantially reducing electricity costs
• Take It Anywhere: Portable design moves with you—no need to abandon your investment when relocating
• Smart Scheduling Feature: Program cooling to start automatically so your plunge is ready the moment you need it
• Versatile Applications: Ideal for post-workout recovery, daily wellness routines, and managing chronic pain or inflammation
• No Installation Required: No plumbing modifications, no permanent fixtures, no contractor needed
• Perfect for Renters: Cold therapy solution that doesn't require landlord approval or property modifications
• Compact Storage: Stores out of sight between sessions—no permanent space commitment

Specifications

Unit Dimensions: 18.5" W × 16.5" D × 20.5" H
Weight: Approximately 45 lbs (portable, includes wheels)
Footprint: 2' × 2' (compact storage)

Cooling Performance:

• Power: 1 HP chiller
• Cooling Rate: 20-30°F per hour
• Minimum Temperature: 34°F
• Temperature Control: Digital precision adjustment
• Smart Features: Tuya Smart Home app compatible for scheduling

Electrical Requirements:

• Voltage: 110VAC/60Hz
• Amperage: 9A
• Outlet Type: Standard household 15A outlet
• Power Cord: Standard length (exact length varies)

Operating Specifications:

• Sound Level: 60-75 dB
• Operating Time: 1-2 hours per day typical use
• Water Flow: Continuous circulation via hose-arm system
• Filter: Replaceable cartridge (included)

Compatibility:

• Bathtub Type: All standard bathtubs (no size restrictions)
• Installation Required: None
• Plumbing Required: None
• Setup Time: Seconds

Hose System:

• Type: Bend-and-stay hose-arm
• Connection: Quick-connect (no tools/fasteners)
• Design: Dips into bathtub water, no mounting required

Warranty:

• Standard: 1-year manufacturer's warranty
• Extended Options: Additional 1, 2, and 3-year warranties available

Awards & Recognition:

• Time's Best Inventions 2025 (Special Mention)
• CES Innovation Award Winner

What's Included

• HomePlunge H3 Chiller Unit (1 HP)
• Bend-and-stay hose-arm with quick-connect
• Replaceable filter cartridge (installed)
• Digital temperature controller
• Power cord
• User manual
• Quick setup guide
• Access to Tuya Smart Home app integration

Optional Accessories (sold separately):

• HomePlunge Insulator ($99): Reduces cooling time and maintains temperature longer
• Drip Pan ($19.99): Catches condensation and protects flooring

Manuals and Downloads

• User Manual
• Installation

Shipping, Returns, and Warranty

Shipping:
Free shipping to all addresses within the United States (valued at $299). HomePlunge H3 units ship within 1-2 business days of order placement. Delivery timeframe is typically 3-7 business days depending on location. Units ship fully assembled and ready to use upon arrival.

Returns:
HomePlunge offers a customer-friendly return policy. Returns must be initiated within the return window from delivery date. Products must be in unused condition with all original packaging, components, and accessories. A return authorization is required before sending any product back. Return shipping costs are the responsibility of the customer unless the product arrives damaged or defective. Restocking fees may apply. Contact HomePlunge support to initiate a return.

Warranty:
All HomePlunge H3 units include a standard 1-year manufacturer's warranty covering defects in materials and workmanship. The warranty covers the chiller compressor, pump, electrical components, and structural integrity under normal residential use. Extended warranty options are available for purchase: additional 1-year, 2-year, or 3-year extended coverage. Warranty does not cover normal wear items such as filter cartridges, damage from misuse, modifications, or commercial applications. Warranty is non-transferable and applies only to the original purchaser. For warranty claims, contact Plunge Warehouse support with proof of purchase.

Financing:
0% interest financing available for 24 months through Affirm. Additional financing terms may be available. Use Shop Pay at checkout to view all available financing options based on your purchase amount. All financing is subject to credit approval.

Contact Information

Plunge Warehouse
Phone: 414-455-1635
Email: support@plungewarehouse.com
Live Chat: Bottom Right

For questions about setup, scheduling a product demonstration, financing options, compatibility with your specific bathtub, or any other inquiries, the Plunge Warehouse team provides direct support from knowledgeable staff who understand the product inside and out.