Mechanical & HVAC Systems

What is HVAC & Mechanical?

Air conditioning, mechanical ventilation, chilled water plant design, AHU/FCU systems, clean rooms, pressurization, healthcare-grade HVAC. IoT-enabled environment monitoring, AI optimization, digital twin integration, ASHRAE 170 healthcare ventilation compliance.

Energy Efficient

IoT Ready

ASHRAE Compliant

Key Capabilities

OUR APPROACH

How We Deliver Deliver

Performance-First Design

Every HVAC system is designed for peak energy efficiency while maintaining occupant comfort.

Healthcare Specialization

Clean rooms, OR pressurization, and infection control ventilation meeting JCI and ASHRAE 170.

Smart Integration

IoT sensors, digital twin modeling, and AI-driven optimization for ongoing operational savings.

Why OAC for HVAC & Mechanical?

45+ Years of HVAC Expertise

Our team has delivered HVAC for 15+ hospitals and dozens of commercial buildings.

Healthcare-Grade Standards

Certified compliance with ASHRAE 170, JCI, and international healthcare ventilation codes.

Energy Optimization

Siemens Demand Flow and AI-optimized chiller plants for 20-30% energy savings.

RELEVANT STANDARDS

ASHRAE 62.1

ASHRAE 90.1

ASHRAE 170

SMACNA

LEED v4

RELATED PROJECTS

Featured Work

Proposed General Hospital, Phnom Penh

🇰🇭 Phnom Penh

ACTIVE

Tan Tock Seng Hospital

🇸🇬 Singapore

$600M

COMPLETED

Khoo Teck Puat Hospital

🇸🇬 Singapore

$500M

COMPLETED

RELATED TEAM MEMBERS

V. Devaraja

Director

Anthony Yen

Associate

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