Unico, Inc. is the leader in Small Duct High Velocity (SDHV) heating and cooling systems. Unico, Inc. spearheaded and led the effort in getting SDHV systems approved as a class of product with the US Department of Energy. Aligning with other major HVAC manufacturers, conservation groups, and other industry partners and influencers, the designation was granted in 2004 to recognize Small Duct High Velocity as its own classification of product.

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