Air-Handling Units & Terminal Air Distribution installations at Hamad International Airport (DOH)

Once chilled water is produced, it is the air side that delivers comfort to passengers. This sub-category covers built-up and modular air-handling units, packaged rooftop units, fan-coil units, ducted split systems, and VRF/VRV heat-recovery systems for offices, lounges and support buildings, plus displacement ventilation for high, glass-fronted hold rooms. AHU selection in high-heat climates prioritises desert-grade pre-filtration, high external static for long terminal duct runs, condensate management at 85% apron humidity, and AHRI 430 certification. VRF/VRV systems serve the back-of-house and modular expansions where central plant is uneconomic. Buyers compare casing thermal-bridging, fan-array vs single-fan designs, and energy-recovery wheels for fresh-air make-up.

Hamad International is what happens when a state airline designs its own cathedral. Opened in 2014 and already expanded twice, it serves as Qatar Airways' global spine and routinely tops Skytrax's best-airport rankings. 2024 traffic hit 52.7 million passengers and cargo cleared 2.6 million tonnes — both records. Phase C, now in tender, will lift capacity beyond 70 mppa and add a second passenger processing hall.