In the 2026 Malaysian regulatory framework, Post-Sealing Duct Leakage Certification is the final, mandatory step to validate that your HVAC system meets the energy and health benchmarks set by the Energy Efficiency and Conservation Act (EECA) 2024 and the DOSH ICOP IAQ 2026.
Without a certified digital or physical audit trail, your building cannot legally secure a Building Energy Intensity (BEI) Star Rating, potentially resulting in significant regulatory fines.
As of 2026, the Malaysian Suruhanjaya Tenaga (ST) and Registered Energy Managers (REM) recognize DW/143 (Edition 6) as the core testing protocol.
Airtightness Class 6 (ATC 6): For high-performance commercial buildings in KL and Selangor, certification is only granted if the system achieves ATC 6. This requires verifying that air loss is below 1% of the total design airflow.
Pressure Integrity: Certification proves that the seals can withstand the system's full operating pressure (up to 2500 Pa for Class C/D systems) without structural failure or seal degradation.
A professional certificate issued by EKG M&E Sdn Bhd includes four critical data points required for your official EECA 2024 submission:
Baseline Leakage Data: The initial "Pre-Seal" leakage rate, documenting the waste before intervention.
Post-Seal Verification: The final leakage rate in liters per second () at the specific test pressure.
Digital Verification Graph: For aerosol-sealed systems, a real-time computer-generated graph showing the gradual reduction of leaks until the target ATC 6 was hit.
Registered Energy Manager (REM) Signature: A formal validation that the reduction significantly contributes to the building's kWh/m²/year target.
EECA 2024 Mandatory Reporting: This certificate is a prerequisite for the annual energy audit report. It proves your building is taking "active measures" to lower energy intensity.
TNB Bill Validation: Certification provides the empirical proof that your Variable Frequency Drives (VFDs) are running at optimized, lower frequencies, justifying the reduction in your monthly Maximum Demand charges.
DOSH 2026 IAQ Audit: The certificate proves the return-air path is hermetic, ensuring you pass the mandatory 500 cfu/m³ bacterial ceiling by eliminating "Plenum Aspiration."
Total 3D BIM Coordination: We model your test zones in 3D to ensure all joints—including inaccessible ones—are included in the final certification.
Turnkey Documentation: We provide the "Audit-Ready" digital package for your REM and Suruhanjaya Tenaga, ensuring a seamless compliance process.
34 Years of Engineering Depth: Based in Kuala Lumpur, we are the trusted partner for Grade-A offices, hospitals, and high-tech factories across Malaysia.
Is your facility's energy efficiency officially certified? Contact EKG M&E Sdn Bhd today for a professional post-sealing duct leakage certification and secure the regulatory standing of your asset.
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