Pro athletes, UFC fighters, CrossFit champions, and longevity experts use Inergize daily.
Founded by a master's-level mechanical engineer. Spire is built with industrial-grade compressors, marine-grade stainless, and red cedar. Fast cooling. Real materials. Built for decades, not seasons.
You're not just buying a tub, you're backed by real people. Our San Diego team includes the engineers who built Spire. Same-day responses, video troubleshooting, and a repair center in Los Angeles when you need hands-on service.
Inergize launched on Indiegogo in 2022. Today we've shipped over 5,000 cold plunges across our product line and we're the longest-running cold tub company in the U.S. We don't just sell tubs, we ship them, support them, and stand behind them.
With your purchase you'll get our 27-page Cold Plunge Blueprint, bi-weekly insights from our founder, and access to in-person Inergize community events. We help you make this a daily practice, not a one-time purchase.
