In the 2026 clinical landscape, Surgery Room AC (Operating Theater HVAC) is a critical life-safety system. It must maintain a sterile "protective zone" around the patient while adhering to the Energy Efficiency and Conservation Act (EECA) 2024 and MOH (Ministry of Health) Malaysia standards.
At EKG (Malaysia) SDN BHD, we engineer surgery room systems that prioritize Laminar Flow and precision pressure control to eliminate the risk of surgical site infections (SSIs).
For high-risk surgeries (Orthopedic, Cardiac, Neuro), a "Turbulent" air pattern is insufficient. We utilize Unidirectional (Laminar) Flow to wash the surgical site of contaminants.
The Protective Curtain: Air is delivered through a large ceiling plenum directly over the operating table at a constant velocity of 0.3 m/s to 0.5 m/s.
Contaminant Displacement: This uniform "piston" of air ensures that skin scales and aerosols from the surgical team are pushed downward and outward toward low-level exhaust grilles, away from the open wound.
A surgery room AHU must be a "Biologically Inert" machine. At EKG, we build to HTM 03-01 and VDI 6022 hygiene standards:
Positive Pressure (+15 Pa): The system keeps the surgery room at a higher pressure than the corridor. This ensures that when the door opens, air only flows out, preventing unfiltered air from entering the sterile zone.
H14 HEPA Filtration: Terminal filters provide 99.999% efficiency at 0.3 microns. We include built-in DOP/PAO test ports for rapid annual validation.
SUS 304 Stainless Steel Internals: The AHU interior is medical-grade stainless steel to withstand the aggressive chemical sterilization used in hospitals.
TB2 Thermal Break Casing: Mandatory to prevent casing "sweat" in Malaysia’s humidity. External moisture leads to mold, which is a critical failure in clinical audits.
Maintaining 25 air changes per hour through HEPA filters is energy-intensive. To ensure your facility passes its 2026 statutory energy audit, we utilize:
IE5 Direct-Drive EC Fan Walls: These modular fan arrays are 30% more efficient than legacy motors. They provide N+1 Redundancy—if one fan module fails, the others automatically ramp up, ensuring the patient is never at risk during a procedure.
Low SFP (< 1.1 ): We utilize 3D BIM coordination to optimize duct paths, reducing internal resistance and keeping the Specific Fan Power (SFP) within legal limits.
Precision Humidity Control: We maintain a strict 50% – 60% RH. This prevents electrostatic discharge (which can interfere with surgical lasers) and ensures surgeon comfort under high-intensity lights.
Starting in 2026, hospital performance data must be verifiable for the Energy Commission and MOH.
EnMS Integrated Reporting: Our systems feed real-time pressure, humidity, and energy data to your Energy Management System (EnMS).
Acoustic Buffer: Our units are engineered for silence (NC 35-40), allowing the surgical team to communicate clearly without mechanical noise interference.
Why Partner with EKG (Malaysia) SDN BHD? We provide the full Validation Documentation (IQ/OQ) and Airflow Mapping required for clinical license renewals. Our systems are fire-rated (Class 0 / B1) and designed for a 25-year clinical lifecycle.
Is your operating theater's AC system prepared for the 2026 safety and energy audits? Contact us today for a technical modernization audit.
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