Welcome to the
KOTZA International Website

Established in 1990, KOTZA International specializes in producing programs and manuals for refrigeration and air conditioning repair. Our products include: Refribase, Refrepair, Refridiag, Refrilec, Chilrepair and Hydraurepair software, The Repair Manual and the Refribase Manual. (See our references).

On this Website, you can :

Test your proficiency in HVAC repair (beginner or advanced).
Obtain information about our various products.
Obtain demonstration versions.
Order our products, and benefit from our current promotions.
Email the authors.

We offer you a FREE
ACESS BADGE: Click here