Calpak produces a wide range of collectors adapted to all climates and roof architectures.

The compact thermosiphonic applications of Calpak are the most convenient and economically sensible way to harness the power of the sun.

Calpak X-flow Fresh Water Ultratank is the result of a ground-breaking technology development for 25% higher energy savings compared to conventional hot water storage solutions

Calpak Central solutions of forced circulation meet the most demanding requirements for comfort and efficiency.

Calpak hot water tanks are designed and manufactured according to the European and German standards.

A wide range of accessories and spare parts for each product line.