Your Local Exhaust Ventilation (LEV) system plays a vital role in protecting workers from hazardous airborne contaminants. Regular maintenance ensures your LEV system performs efficiently and complies with DOSH’s USECHH Regulations 2000.
At ZABSI, we provide comprehensive LEV maintenance and inspection services that include:
- Routine system performance testing and air velocity measurement
- Filter and ducting cleaning
- Fan, damper, and motor inspection
- Repair and parts replacement
- Compliance verification and documentation for Written Notification (WN) and Written Declaration (WD) submission
HVAC Maintenance
Your HVAC system is the heart of indoor comfort and air circulation. Without proper maintenance, it can lead to higher energy costs, poor air quality, and equipment breakdowns.
ZABSI offers complete HVAC maintenance solutions designed to keep your system running smoothly year-round, including:
- Preventive maintenance and periodic servicing
- System diagnostics and troubleshooting
- Coil, filter, and duct cleaning
- Refrigerant and control system inspection
- Repair and upgrade works for improved efficiency




BR 20261
VN 12864
AR 3375
US 2564
CN 1397
EC 1257
CO 832
MX 726
