McNellage & Associates works with owners, architects, engineers, & contractors in the design and selection of a broad spectrum of HVAC equipment. Struggling with design strategies for energy-efficient DOAS? Unsure whether a variable refrigerant flow system or centrifugal chiller is best for your project?

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JCI’s complete line of HVAC equipment deliver consistent comfort while providing dependability & energy efficiency.

LG manufactures the industry’s most advanced Ductless and Variable Refrigerant Flow equipment.

Nautica Air Systems provides energy efficient DOAS and process dehumidification equipment.