In the urban environment of KL and PJ, the Fresh Air Intake is the "nose" of the building. It is the critical entry point where outdoor air is drawn into the HVAC system to maintain oxygen levels and positive pressure. EKG M&E Sdn Bhd specializes in the strategic placement, filtration, and treatment of intake air to ensure your indoor environment remains healthy and free from city pollutants.
The effectiveness of your entire ventilation system depends on the quality of the air at the intake source. We follow strict M&E guidelines to prevent "Cross-Contamination."
Avoidance of "Short-Circuiting":
We ensure that fresh air intakes are located at a significant distance from exhaust louvers, cooling towers, and plumbing vents. This prevents the building from "re-breathing" its own contaminated air or moisture.
Pollutant Shielding:
In Kuala Lumpur, we avoid placing intakes at street level where vehicle exhaust (CO and PM2.5) is most concentrated. We prioritize rooftop or high-level podium placements to capture the cleanest possible air.
Wind and Rain Protection:
We install Weather-Proof Louvers with bird screens and insect mesh. These are designed with specific "drainable" blades to prevent Malaysia’s heavy tropical rain from being sucked into the ductwork.
Outdoor air in the Klang Valley is often hot, humid, and laden with dust. We don't just "bring it in"—we treat it.
Because raw outdoor air can reach 32°C with 80% humidity, we use PAHUs to "pre-condition" the air.
Dehumidification: The cooling coils in the PAHU strip away excess moisture before the air is distributed, preventing mold growth inside your office ducts.
Multi-Stage Filtration: We utilize a "Pre-Filter" (G4) to catch large dust and a "Secondary Filter" (MERV 13 or HEPA) to capture fine particulates and haze.
To save energy, we integrate CO2 Sensors with the intake fans.
VFD Modulation: When the building is at low occupancy, the Variable Frequency Drive (VFD) ramps down the intake fan. As CO2 levels rise (indicating more people), the system automatically increases the fresh air volume.
| Feature | Standard Requirement | EKG M&E Engineering Goal |
| Fresh Air Volume | ASHRAE 62.1 (approx. 10 L/s/person) | Calibrated via Airflow Balancing. |
| Filtration | Minimum MERV 8 | MERV 13 / HEPA for Clean Air. |
| Intake Velocity | Max 2.5 m/s to 3.0 m/s | Quiet, low-resistance intake. |
| Pressure Balance | Positive Internal Pressure | Prevents dust/humidity ingress. |
Airflow Balancing and Commissioning: We perform a professional Duct Traverse at the intake point to ensure your building is receiving the exact volume of oxygen required by law.
IAQ Audits: If your staff are complaining of "stuffy air" or strange smells, we audit the intake path for blockages, dirty filters, or nearby exhaust contamination.
Klang Valley Strategic Support: Based in Kuala Lumpur, we provide on-site filter replacements, louver cleaning, and PAHU maintenance for corporate offices and healthcare facilities.
Malaysia
