
Advanced Air Pollution Control
A trusted name in wet scrubbers, mist eliminators, and corrosion-resistant ventilation systems for over 50 years, HEE-Duall continues to exceed customer expectations. Designed for the toughest industrial conditions, HEE-Duall solutions protect operations from corrosive gases, mists, vapors, and particulates, ensuring compliance and cleaner air. From packed bed scrubbers and venturi systems to FRP fans and ducting, HEE-Duall delivers custom-engineered solutions for industries including semiconductor, electronics, chemical processing, and municipal facilities. Their technologies excel at VOC abatement, odor control, and hazardous air pollutant removal, all while minimizing operating costs.
For more than two decades, Trotter Equipment Company has worked with HEE-Duall to provide air pollution control systems that stand the test of time. Our collaboration ensures custom-engineered solutions for corrosive environments and complex ventilation challenges. We work cooperatively with our customers to design and implement systems that protect people, equipment, and compliance goals.

Services
- Engineering / Design
- Repairs
- Troubleshooting
PARTS
- Spare Parts
- Sub-Assembly Replacements
