Airports & transit
Airport terminals run large air-handler fleets around the clock, and transit stations run theirs from first service to last. Cognituv keeps the coils clean, treats the airstream and measures the air where passengers wait.
Case studyMold-free AHUs, less manual laborAviation · International airport · Phoenix, AZIAQ · UptimeRead the case study 
What’s at stake
Air handlers in hot, humid or dusty climates grow mold and biofilm on their coils, and manual cleaning across a whole fleet never really ends.
Terminals run day and night and stations run long service days, so units rarely come down for cleaning.
Gates, security lines and platforms go from empty to full in minutes, and the air handling has to keep up.
Travelers and riders judge a terminal by how it smells and feels. A measured record answers their questions.
Aviation · International airport · Phoenix, AZ
Cutting manual coil cleaning led to mold and a musty terminal. On-coil UV-C eliminated it — confirmed by the cleaning contractor’s own swabs.
Read the Phoenix Sky Harbor case study →Where Cognituv fits
In the fieldOn-coil UV-C across the air-handler fleet, installed with minimal time offline.
See Cognituv GridAirstream treatment for the supply and return ducts serving concourses and stations.
See In-duct UV-C
RenderingUpper-room fixtures and sealed purifiers for gate lounges, offices and break rooms.
See Upper-air & in-room UV-C
RenderingCO₂, particulates, coil pressure drop and energy on one record, terminal by terminal.
See Cognituv ConnectFacility types
What we look at first, the systems we usually find, the codes and standards to check and where we’d start. Codes and standards are listed for reference: a listing isn’t a compliance finding, and doesn’t mean any product, Cognituv’s included, is certified to one.
Concourses, gates, security checkpoints, concessions, offices and operations rooms, with occupancy that rises and falls with the flight schedule.
Includes: Domestic terminal · International terminal
Passenger stations with enclosed waiting areas, platforms, tunnels and equipment rooms.
Includes: Rail station · Subway station · Bus terminal
Identify · Apply · Verify™
A baseline on the units with the worst coils and the spaces with the most people, set with your maintenance team.
On-coil and in-duct UV-C rolled out unit by unit, around flight and service schedules.
Pressure drop and air quality keep reporting into Cognituv Connect, against the same baseline.
Where we work: Airport terminals and concourses, Gate lounges and security, Concessions and offices, Rail and subway stations, Bus terminals and Operations and equipment rooms.
Codes and standards
The list comes from Cognituv’s facility and code library, reviewed September 2026. Publication isn’t adoption: whether a document applies, and which edition, depends on your jurisdiction, its amendments and your project, and the authority having jurisdiction decides. A listing isn’t a compliance finding for your facility, and doesn’t mean any product, Cognituv’s included, is certified to it.
ASHRAE 62.1Consensus standard · 2025
ANSI/ASHRAE Standard 62.1, Ventilation and Acceptable Indoor Air Quality
Minimum ventilation and related indoor-air-quality requirements for the occupancies it covers.
Listed for: Airport passenger terminal, Rail, subway and bus station
ASHRAE 241Consensus standard · 2023
ASHRAE Standard 241, Control of Infectious Aerosols
Planning, design and operation of air systems to reduce exposure to infectious aerosols, including an infection-risk management mode.
Listed for: Airport passenger terminal
OSHA 29 CFR 1910Federal regulation
Occupational Safety and Health Standards for General Industry, 29 CFR Part 1910
Workplace safety rules for general industry; which sections apply depends on the hazards and work on site.
Listed for: Airport passenger terminal
Start with a no-cost assessment: a call with an engineer and a written recommendation. When you want the data first, Cognituv Connect measures your own equipment, scoped and quoted for your site.
