Energy-Efficient Pneumatics Powering Modern HVAC Systems

At Duncan Engineering, we empower advanced HVAC systems with compact, durable, and energy-efficient pneumatic and valve automation technologies. From air handling units and cleanroom ventilation to industrial cooling and plant-wide utilities, our solutions enable precise airflow regulation, safe operation, and seamless integration.

Where our solutions work

Air Handling Units (AHUs)

Process: Centralized units that condition, filter, and distribute air across industrial and commercial buildings. Reliable pneumatic actuation supports airflow control, zoning, and integration with building or energy management systems.

Solutions: Pneumatic Cylinders, Pneumatic Valves, Positioners, Air Preparation Units

Cleanroom Ventilation Systems

Process: High-performance air systems maintaining strict cleanliness, pressure, and temperature for pharma, food, and electronics production. Requires precise valve and actuator control to prevent contamination

Solutions: Flow Control Valves,  Pneumatic Valves, Air Preparation Units

Cooling & Chilled Water Systems

Process: Closed-loop chilled water systems for process cooling and climate control. Demands robust, low-maintenance valves and actuators that provide reliable operation and energy efficiency

Solutions: Ball ValvesButterfly Valves,  Pneumatic Valves, Actuators

Duct Dampers & Louvres Automation

Process: Devices regulating airflow distribution, zoning, and isolation throughout HVAC networks. Pneumatic automation ensures fast, precise, and safe positioning in critical applications.

Solutions: Pneumatic Actuator,  Positioners, Pneumatic Valves

Plant Utility & Service Air Systems

Process: Compressed air and utility gas systems supporting HVAC and auxiliary plant operations. Requires efficient air preparation and valve components to minimize energy losses and enable automation.

Solutions: Flow Control Valves,  Air Preparation Units, Pneumatic Valves

Exhaust & Fume Extraction Systems

Process: Systems that remove heat, fumes, or hazardous gases to maintain indoor air quality and regulatory compliance. Requires reliable valve control and automation for safe, efficient operation

Solutions: Quick Exhaust Valves,  Pneumatic Valves, Actuators

Fresh Air & Make-up Air Systems

Process: Systems supplying fresh air intake to maintain building pressurization and replace exhaust losses. Actuators and valves enable precise airflow control and seamless integration.

Solutions: Flow Control Valves,  Pneumatic Valves, , Air Preparation Units

Fire & Smoke Control Dampers Automation

Process: Safety-critical systems that isolate fire and control smoke during emergencies. Pneumatic actuation ensures fail-safe, rapid, and reliable damper positioning to meet life-safety codes.

Solutions: Pneumatic Actuator,  Positioners, Pneumatic Valves

Humidity & Temperature Control Systems

Process: Integrated solutions managing environmental conditions in sensitive areas, meeting strict process or storage requirements. Demands accurate and repeatable valve automation.

Solutions: Flow Control Valves,  Pneumatic Valves, Positioners

Heat Recovery & Energy Management

Process: Systems capturing and reusing waste heat to enhance overall plant energy efficiency. Requires durable valve solutions to perform dependably under demanding conditions.

Solutions: Flow Control Valves,  Pneumatic Valves, Actuators