Plan & Spec Engineer (VRF)

Plan & Spec Engineer (VRF)
Carrier (Thailand) Limited, 1858/63-74 Interlink Tower, Debaratna Road, Bangna Tai, Bangna Bangkok 10260, Thailand
November 2, 2026
Carrier is seeking a Plan & Spec Engineer (VRF) to drive specification sales and support HVAC system design for commercial and residential projects. This role works closely with consultants, developers, architects, and project owners to recommend optimal VRF solutions and secure Carrier products in project specifications.
Conduct site surveys and assess project requirements to recommend suitable VRF systems
Support HVAC system selection, preliminary design, cooling load calculations, and technical proposals
Work closely with consultants, designers, developers, and project stakeholders to secure Carrier VRF products in project specifications
Provide technical consultations, product presentations, and design recommendations for project applications
Review project drawings, specifications, and tender requirements to identify business opportunities
Build and maintain strong relationships with consulting engineers, design firms, and key decision-makers
Collaborate with sales and project teams to support project bidding and successful project execution
Monitor project pipelines, market trends, and competitor activities

Bachelor’s Degree in Mechanical Engineering, Electrical Engineering, HVAC Engineering, or related field
2–5 years of experience in HVAC design, application engineering, consulting, plan & spec, or project engineering
Knowledge of VRF systems, HVAC design principles, and building services
Experience with cooling load calculations and system selection is preferred
Proficiency in AutoCAD and Microsoft Office
Strong presentation, communication, and stakeholder management skills
Good command of English and Thai

Carrier is An Equal Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.
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Who We Are: About Carrier
For over a century we have led the way. Today, we're redefining what's possible. We are the new Carrier.
Carrier Unscripted: Why Employees Love Carrier
There's no script for changing the world. Hear what current employees have to say about working with Carrier.
Carrier Unscripted: Why Employees Love Carrier Page Link
Work With Us - Why Carrier?
Learn more about working at Carrier.
Carrier remains steadfast in our goal to create a workplace that is truly and genuinely inclusive, and where all employees feel like they .
Explore Careers in Carrier Business Services.
Carrier Business Services Page Link
Who We Are: About Carrier
For over a century we have led the way. Today, we're redefining what's possible. We are the new Carrier.
Carrier Unscripted: Why Employees Love Carrier
There's no script for changing the world. Hear what current employees have to say about working with Carrier.
Carrier Unscripted: Why Employees Love Carrier Page Link
Work With Us - Why Carrier?
Learn more about working at Carrier.

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