M4 collector redefines the standards of sturdiness and durability with its innovative characteristics. Double wall-frame aluminium profiles offers increased durability and enhanced insulation. The glass…

The M4s collector has the same unique technical characteristics with the M4 collector. It only differs in the material used for the absorber…

Prisma is an innovative flat plate collector patented by Calpak. It introduces in the solar thermal industry a unique polymeric material, primarily known and used in the automotive industry. This material…

ES collector is a selective surface collector produced with laser welding and vertical configuration for exceptional performance. ES is designed…

The VTS is a Calpak collector of unique design using ultrasonic welding of the copper u-pipe thereby thereby providing outstanding performance and reliability.