Designed for elite athletes, luxury spas, and high-end fitness centers, Minus 4 delivers an unmatched cold therapy experience—effortless, effective, and built to impress.
The Ultimate Ice Bath for High-Performance Recovery
Faster Recovery
Bounce back quicker and soothe sore muscles through enhanced circulation.
Sleep Cycle Optimization
Regulate your circadian rhythm and support hormonal regulation.
Elevate Your Mood
Cold exposure spikes norepinephrine increasing dopamine by 250% potentially working as a natural antidepressant.
Pain Relief & Reduced Inflammation
Reduces pain, swelling, and inflammation while supporting joint health.
Luxury spas, elite gyms, and performance centers trust Minus 4 to attract high-value clients, increase retention, and boost revenue—all while offering an effortless, maintenance-free solution.
The AI tools from Entropy have revolutionized our workflow. Their adaptability and precision have set a new standard for our operations.
Alex Johnson
CTO at TechInnovate
We’ve seen a significant boost in efficiency since integrating Entropy's AI solutions. The personalized features truly enhance our customer interactions
Emily Davis
Marketing Director at RetailPulse
The predictive analytics provided by Entropy have been a game-changer for our strategic planning. We’re making more informed decisions than ever before.
Michael Lee
CTO at TechInnovate
The visual recognition technology has streamlined our processes and provided us with valuable insights. Entropy is a key partner in our success.
Sarah Martinez
Operations Manager at Visionary Studios
Thanks to Entropy’s AI-driven personalization, we’ve seen a dramatic increase in customer satisfaction and engagement. It’s truly exceptional.
James Wilson
Customer Experience Lead at BrightPath
The cybersecurity solutions from Entropy offer unparalleled protection for our data. We feel confident and secure knowing our systems are in good hands.
John Thompson
IT Director at SecureNet Solutions
Ready to Elevate Your Business with Minus 4?
Offer an exclusive recovery experience that attracts, retains, and impresses your clients.
