Air Handling Units (AHUs)
Central air conditioning systems that condition and circulate air through a building. AHUs connect to ductwork that distributes the conditioned air to different spaces.
Top Manufacturers
High-quality air handling units with advanced control systems and energy efficiency.
View Trane resources
Comprehensive range of air handlers designed for optimal performance and reliability.
View Carrier resources
Innovative air handlers with superior energy efficiency and air quality features.
View Daikin resources
Custom air handling solutions with high-quality components and flexible configurations.
View AAON resourcesCommon Issues
AHU not blowing air
Symptoms:
No airflow, high static pressure, motor running but no air movement
Solution:
Check belt tension, inspect fan wheel, verify motor operation, test VFD if applicable, ensure dampers are open.
Coil freezing
Symptoms:
Ice formation on coil, reduced airflow, high pressure drop
Solution:
Check airflow across coil, verify temperature sensors, inspect filter condition, ensure proper refrigerant charge.
Fan not running
Symptoms:
No motor operation, tripped breaker, control signal issues
Solution:
Check power supply, verify control signals, test motor windings, inspect bearings, ensure proper VFD operation.
Cost Information
AHU motor replacement
Average Cost:
$1,500-$4,000
Factors Affecting Cost:
Motor type (ECM vs standard), size, accessibility, control requirements
Air handler maintenance
Average Cost:
$800-$2,500
Factors Affecting Cost:
Unit size, service frequency, parts replacement, testing scope
AHU installation
Average Cost:
$15,000-$50,000
Factors Affecting Cost:
Unit size, efficiency rating, ductwork requirements, controls package