United Air Specialists (UAS) has been successfully solving residential, commercial and industrial indoor air quality (IAQ) and environmental problems worldwide through a diverse product offering including air cleaning, dust collection and pollution control systems, electrostatic fluid spraying systems and industrial oil cleaning equipment since 1966.

• See also:
• Masterformat 2004
• 23 35 13 - Sawdust Collection Systems
• 23 38 13 - Commercial-Kitchen Hoods
• 23 40 00 - HVAC AIR CLEANING DEVICES
• 23 41 00 - Particulate Air Filtration
• 23 41 33 - High-Efficiency Particulate Filtration
• 23 41 43 - Ultra-Low Penetration Filtration
• 23 43 00 - Electronic Air Cleaners
• 23 57 00 - Heat Exchangers for HVAC
• 23 57 16 - Steam-to-Water Heat Exchangers
• 23 57 19 - Liquid-to-Liquid Heat Exchangers
• 23 71 00 - Thermal Storage
• 23 72 00 - Air-to-Air Energy Recovery Equipment
• 23 72 13 - Heat-Wheel Air-to-Air Energy-Recovery Equipment
• 23 72 16 - Heat-Pipe Air-to-Air Energy-Recovery Equipment
• 44 11 16 - Fugitive Dust Barrier Systems
• Masterformat 1995
• 11425 - Hood and Ventilation Equipment
• 15710 - Heat Exchangers
• 15780 - Energy Recovery Equipment
• 15860 - Air Cleaning Devices