Large air volume air handling unit AHU

industrialdual-flowheat-recovery

Overview
An air handling unit (AHU) treats building air by filtering, heating, cooling, humidifying or dehumidifying according to needs. The AHU supplies fresh ventilation air and extracts polluted air to maintain a healthy indoor environment. ENGMAR units incorporate plate heat exchangers to recover heat from extracted air and transfer it to incoming fresh air, optimizing heating consumption.

Key benefits

• Improved air quality through filtration of pollutants and dust
• Precise temperature control for increased occupant comfort
• Energy savings by recovering heat from extracted air to preheat incoming air, reducing heating costs

Function and technology

• Air treatment functions: filtration, heating, cooling, humidification, dehumidification
• Heat recovery: plate heat exchangers (recommended for efficiency); regenerative/accumulative exchangers described as alternative principle
• System provides both supply of fresh air and extraction of polluted air to control indoor air quality

Products recommended by ENGMAR (examples)

• Ventilation networks — custom design for effective pollutant extraction
• Air supply plenums — distribution boxes for air balancing
• Blower ducts with grills for air distribution
• Low-vacuum central extraction units — compact footprint and single maintenance point
• Standard fans — wall-mounted fans for extraction of dust-laden airflows

Recommended industries / applications

• Metal machining and forming
• Industrial piping and fabrication
• Public works and construction
• Locksmithing and metalworking
• Defense and transportation facilities
• Chemical industry

ENGMAR advice
ENGMAR AHUs integrate plate heat exchangers to efficiently transfer heat from extracted air to fresh air, reducing heating costs while ensuring a comfortable, healthy indoor climate. For large low-pressure installations with high airflows, ENGMAR recommends a specific sizing study to optimise system performance.

Related services

• Annual periodic inspection — yearly checks in compliance with applicable regulations for maintenance and conformity

Technical characteristics / specifications

• Functions: filtration, heating, cooling, humidification, dehumidification
• Heat recovery: plate heat exchangers recommended for high efficiency; regenerative exchangers described as alternative
• Purpose: supply fresh ventilation air and extract polluted air to maintain a healthy indoor environment
• Advantages: energy savings via heat recovery, improved indoor air quality, temperature control for comfort
• Design: custom design and sizing available; for large low-pressure/high-airflow systems, perform a specific study