The Sigma Corporation was founded in 1997 and is located in Mississauga, Ontario, Canada.

Sigma’s product offering includes a wide variety of hydronic heating and cooling equipment including :

• Wallfin (Standard and Custom)
• Convectors
  Horizontal and Vertical Unit Heaters
• Cabinet Unit Heaters ( or Force Flows ),
• Radiant Panels
• Valance Heating and Cooling Units
• Trench Products
• Sigma Radiant Konvector (Panel Radiator Convector)
• Low Temperature Products (Unit Heaters, Trench Units)
• Greenhouse Hydronic Equipment
  • UnderBench FanCoils
  • Unit Heaters
  • Evaporative/Swamp Coolers
  • Horizontal Air Flow Fans
  • Fog Pump Systems
• Custom and Specialty FanCoils