Tosi
Engineering that transforms environments
For over 70 years, TOSI has been developing complete solutions in climate control, water heating, and air diffusion, with a focus on efficiency, precision, and sustainability.
Our engineering combines technology, experience, and reliability to deliver performance and comfort at any project scale.
Air Conditioning and Precision Cooling
Complete HVAC solutions, chillers, air handling units (AHUs), and climate control systems.
High reliability for critical, corporate, and industrial environments, featuring energy efficiency and engineering robustness
Diffusion and Environmental Comfort
Complete HVAC solutions, chillers, air handling units (AHUs), and climate control systems.
High reliability for critical, corporate, and industrial environments, featuring energy efficiency and engineering robustness
Water Heating and Sustainable Energy
Complete HVAC solutions, chillers, air handling units (AHUs), and climate control systems.
High reliability for critical, corporate, and industrial environments, featuring energy efficiency and engineering robustness.
TOSI solutions are present in
Discover our history in motion
Watch our corporate video and see how TOSI integrates engineering, innovation, and purpose to create solutions that perform today and for the future.
Real-world Applications
Our solutions are present in the country's most demanding projects.
From climate control for operating theaters and data centers to air diffusion in large arenas and corporate buildings.
Data Centers – Belo Horizonte/MG | 2010
Data Center Banco Santander
Case Studies
Discover case studies that demonstrate TOSI's commitment to performance and reliability.
Pátio Malzoni Building, São Paulo, SP
Royal Palm Plaza
Bahia Orthopedic Hospital
Engineering that breathes innovation.
Speak with one of our specialists and discover how TOSI can bring efficiency and technical comfort to your project.