50%
Estimated vaccine wastage, with temperature instability as a major driver in fragile delivery environments.
Next-Generation Vaccine Cold Chain
Redefining vaccine cold storage with sound-driven cooling.
GradSonic Ltd. exists to safeguard life-saving vaccines through reliable, sustainable cold storage in the world's most challenging environments.
TACSS® UnitThermoAcoustic Cooling
No Compressors
No Refrigerants
Off-Grid Ready
The Problem
Half of global vaccines are wasted when the cold chain fails.
24/7
Temperature protection needed from urban clinics to remote, off-grid communities.
2°C-8°C
A narrow storage window where conventional compressor systems can be costly and maintenance-heavy.
The Solution
TACSS® replaces compressor refrigeration with thermoacoustic cooling.
100% Refrigerant-Free
No chemical refrigerants, eliminating leakage risk and reducing environmental burden.
Zero Moving Parts
Sound-driven heat transfer avoids mechanical wear and minimizes maintenance requirements.
Solar / Off-Grid Capable
Engineered for harsh environments where grid stability is limited or unavailable.
Technology Deep-Dive
The Anisotropic Graphene Aerogel (AGA) Stack
TACSS® performance is amplified by an AGA stack engineered for directional heat flow control inside a thermoacoustic cycle.
STEP 01
Acoustic Wave Generation
An acoustic driver initiates standing waves that transport thermal energy without compressor mechanics.
STEP 02
Directional Heat Transfer in AGA
The anisotropic aerogel architecture channels heat in controlled pathways to improve efficiency and stability.
STEP 03
Reliable Vaccine Temperature Hold
A closed, robust system protects cold-sensitive biologics across remote logistics routes.
Materials Advantage
AGA combines ultra-low density with directional thermal behavior, unlocking stable cooling performance where traditional systems are weakest.
Impact & Partnerships
Built for global health impact and strategic collaboration.
Aligned to UN SDGs
TACSS® supports measurable progress against key Sustainable Development Goals:
SDG 3: Good HealthSDG 7: Clean EnergySDG 10: Reduced Inequalities
Partnership Ready
Designed for deployment partnerships with global health organizations, NGOs, and implementation partners including groups like PATH.
