Operating Room Ventilation Simplified Greenheck's Operating Room Clean Air Systems are custom-designed and precisely fabricated to accommodate the specialized medical, mechanical, and electrical considerations of operating room environments. Supported by a dedicated engineering team from design through onsite installation, these modular air distribution systems are specifically designed to meet FGI, ANSI/ASHRAE Standard 170 and ANSI/IES RP-29-16 requirements. You can be confident Greenheck Operating Room Clean Air Systems will meet the demands of your project. Specify with Confidence. Specify Greenheck. ©2024 Greenheck