HVAC Design Enginner

Thompsons HR Consulting Pvt Ltd; Chennai District; On-site; INR 1,200,000 - 1,700,000; Full time

Job summary

Thompsons HR Consulting Pvt Ltd is seeking an experienced HVAC Design Engineer to lead design, engineering, and execution of HVAC systems for Oil & Gas, Green Hydrogen, Compressed Biogas, and chemical process projects.

You will perform end-to-end HVAC design for process buildings, control rooms, substations, and utility areas, including heat load calculations and equipment sizing, while developing P&IDs, datasheets, BOQs, and control philosophies.

Qualifications

• 8–12 years of relevant HVAC design experience.
• Strong knowledge of HVAC systems in process/energy industries.
• Experience with heat load calculations, equipment sizing and system integration.
• Familiarity with ASHRAE, API, IEC, NFPA standards.

Responsibilities

• Lead design, engineering and execution of HVAC systems for oil & gas, green hydrogen, and related projects.
• Perform end-to-end HVAC design for process buildings and utility areas.
• Carry out heat load calculations, sizing, duct/piping design and airflow analysis.
• Develop and review technical docs: P&IDs, datasheets, BOQs, specifications.
• Ensure compliance with relevant standards and project requirements.

Skills

HVAC design

Heat load calculations

Equipment sizing

P&IDs & datasheets

System integration

Education

B.E. Mechanical

Job description

Role & Responsibilities

• Lead design, engineering, and execution of HVAC systems for Oil & Gas, Green Hydrogen, Compressed Biogas, and chemical process projects
• Perform end-to-end HVAC design for process buildings, control rooms, substations, and utility areas
• Carry out heat load calculations, equipment sizing, duct and piping design, and airflow analysis
• Develop and review technical documents including P&IDs, datasheets, BOQs, specifications, and control philosophies
• Ensure compliance with standards such as ASHRAE, API, IEC, NFPA, and project-specific

Requirements

• Integrate HVAC systems with hazardous area classifications and explosion-proof requirements
• Coordinate with process, mechanical, electrical, instrumentation, and civil disciplines
• Evaluate vendor proposals and conduct technical bid evaluations (TBE)
• Support site activities including installation, testing, commissioning, and troubleshooting
• Ensure HVAC systems meet HSE, energy efficiency, and sustainability objectives

Preferred Candidate Profile

• B.E. (Mechanical) with 8 -12 years of relevant HVAC design experience.
• Strong knowledge of HVAC systems in process and energy industries
• Experience in heat load calculations, equipment sizing, and system integration
• Familiarity with international standards (ASHRAE, API, IEC, NFPA)
• Experience in vendor coordination, TBE, and site support
• Strong coordination and communication skills