SIGMA offers a comprehensive range of air conditioning, heating and filtration equipment, designed and engineered to withstand extreme ambient temperatures, punishing shock & vibration loads and dust saturated atmospheres. Developed to air condition operator cabins and control rooms, from the largest of drag lines to the fleets of mining excavators, blasthole drills, haul trucks and mobile mining & construction machines, where absolute reliability is critical and performance cannot be compromised.

The SIGMA Air Conditioning Brand comprises a complete range of customized air conditioning equipment, with a product to suit all industrial processing and smelter applications. SIGMA offer a unique split, vertical and horizontal modular design to suit various applications within the aluminum smelter industry.

All catalogues are in Adobe PDF format.