Harmonic Advantage
Safety & Efficiency
Certified safety, proven efficiency—Harmonic Hot Tubs deliver protected, worry-free relaxation every time.
Built for Relaxation. Certified for Protection.
Every Harmonic Hot Tub is certified to meet rigorous safety standards, giving you peace of mind with every soak.
From electrical systems to advanced anti-entrapment designs, each detail is engineered to protect you and your
family. This safety compliance certification ensures that your spa not only delivers luxury and performance, but also
the highest level of trust and reliability—so you can relax knowing you’re in good hands.
An ETL Listing indicates a product has been independently tested and complies with North American safety standards.
CEC plays a crucial role in shaping our future. They forecast energy needs, license power plants, set energy efficiency standards and invest in research and development.
The Harmonic factory has invested heavily in our in-house product testing facilities and have passed rigorous standards to be certified as a Recognized Satellite Laboratory.
We do this to ensure each Harmonic hot tub meets or exceeds every safety and energy efficiency.
