Building HVAC Products Since 1997
Industry Standard Heating, Custom Manufacturing, Certified Quality
Product Spotlight
Air-Cooled Self-Contained Units
D-Series
The D-Series Self-Contained Horizontal and Vertical Indoor Air-Conditioning packages from Sigma offer a complete line of unit options for high-rise and single-story building applications. Each unit features high efficiency compressors and DX coils.
Water-Cooled Self-Contained Units
C-Series
The C-Series Water-Cooled Self-Contained Units from Sigma offer a complete line of unit options for indoor installation in high- and low-rise commercial building applications. Each unit features high efficiency compressors, DX coils, and heat exchangers.
