HVAC Design Specialist

HVAC Design Specialist

Polyaire Airconditioning Products is seeking an experienced HVAC Design Specialist for a full-time, permanent position at their Acacia Ridge, QLD location. The role offers a base salary of $80,000.00 plus superannuation.

About Polyaire: Established in 1973, Polyaire is a wholesale distributor of air conditioning products with over 50 years of market leadership. With a support office in Adelaide and more than 30 branches across Australia, Polyaire offers sustainable, cutting-edge AirTouch solutions. The company's operations are guided by core values: "all in," "work smart," "getting it done," and "cool service with a warm smile." Polyaire prioritises treating customers and suppliers as valued partners, fostering close and open collaboration to achieve sustainable outcomes, which has established Polyaire as a preferred supplier for comfort solutions in Australia.

About the Role: This position involves performing technical engineering functions to support Polyaire’s domestic and light-commercial HVAC operations. The primary focus is on the design and detailed drafting of heating, ventilation, and air conditioning (HVAC) systems. Within the mechanical engineering function, the HVAC Design Specialist will prepare detailed system designs, technical drawings, equipment schedules, and supporting cost estimates to deliver efficient, code-compliant, and cost-effective HVAC solutions for clients.

Key Responsibilities:

HVAC Design & Mechanical Engineering

• Develop detailed HVAC system designs for domestic and light-commercial applications. This includes performing heat load calculations, airflow and duct sizing, zoning, and equipment selection.
• Apply mechanical engineering principles and relevant Australian Standards, such as AS 1668 and AS/NZS 3666, to ensure designs are technically sound, energy efficient, and compliant.
• Conduct technical analysis and performance assessments of mechanical and HVAC designs to verify suitability, efficiency, and conformance to specifications.
• Provide technical advice on design methods, system configurations, and equipment selection. Resolve engineering issues in collaboration with mechanical engineers, sales engineers, and contractors.

Technical Drafting & Documentation

• Prepare detailed mechanical drawings, duct layouts, system schematics, and equipment schedules using AutoCAD, Revit, and other HVAC/mechanical design software.
• Produce technical documentation, design submittals, and as-built drawings to support project delivery.
• Maintain drawing registers, version control, and design records, ensuring compliance with applicable codes and standards.

Estimating, Materials & Cost Analysis

• Prepare cost estimates, bills of materials, and equipment lists to support HVAC design proposals and project quoting.
• Liaise with suppliers and vendors to obtain pricing for materials and equipment, assessing options against technical and budget requirements.
• Analyse design and cost data to optimise the balance of performance, compliance, and cost-effectiveness.

Project Coordination & Technical Support

• Coordinate with sales teams, project managers, and customers to ensure accurate and timely project execution.
• Support the installation, testing, and commissioning of HVAC systems by providing technical drawings and design clarification.
• Record and analyse data on system performance to inform continuous improvement of designs and standard solutions.

What you will bring to the role:

• A relevant engineering qualification at AQF Associate Degree, Advanced Diploma, or Diploma level (or higher) in Mechanical Engineering, HVAC Engineering, or a closely related discipline.
• Demonstrated experience in HVAC or mechanical design and drafting (minimum 2–3 years preferred).
• Proficiency in AutoCAD, Revit, and HVAC design and load-calculation software.
• Working knowledge of relevant Australian Standards, building codes, and HVAC industry requirements.
• Strong mechanical and technical aptitude with sound analytical and problem-solving skills.
• High attention to detail across design, drafting, documentation, and estimating.
• Effective written and verbal communication skills and the ability to collaborate across technical and commercial teams.
• Ability to manage multiple projects concurrently and meet deadlines.
• Capacity to quickly learn and adapt to new software and industry tools.

Why join us?

• Full training in all aspects of the business operations.
• Opportunities for professional growth and development.
• A supportive and collaborative work environment.
• Free uniform allocation.
• Access to our Employee Assistance Program.
• Service Awards Program.
• Employee Referral Program, offering a cash incentive for referring suitable candidates.
• Access to Flare, which includes Novated Leasing and exclusive employee benefits.