Registered Mech Plumber looking for steady, ongoing residential work? Staycool is hiring for installation, fault finding, and commissioning across heating and cooling systems, working on new homes with some of Victoria's largest volume builders.

About Us

Staycool has been designing and installing custom heating and cooling systems for new homes across Melbourne since 1983. We're family-owned, with a team of 30 heating and cooling specialists and over 50,000 completed jobs. We work directly with Victoria's largest volume builders, including Glenvill, Simonds, Luxton, and JG King, across projects from Geelong to Bairnsdale and up through Kilmore, Benalla, and Shepparton. Head office is in Hallam.

What You'll Do

Mechanical Services & HVAC Systems
Carry out the rough in, fit off and commissioning of HVAC systems including split systems, ducted units, gas heating, VRF and evaporative cooling.

Fault Finding & Commissioning
Diagnose and troubleshoot issues in HVAC systems on-site. Work closely with builders and supervisors to ensure systems are fully operational, compliant, and optimised for performance.

Compliance & Safety




Ensure all work meets Australian plumbing and gas fitting standards, codes and safety regulations. Maintain a strong focus on safe work practices and quality assurance across every installation.

Who You Are

A registered Mechanical Plumber

HVAC experience is required

Comfortable reading construction plans

Experience on residential construction sites

Reliable and detail-oriented, with pride in your workmanship

Solid communicator, comfortable working with builders, supervisors, and in a team

Open to occasional paid overnight stays for out-of-metro jobs

What's In It For You

- Monday to Friday, with optional weekend work and overtime
- Company vehicle, fuel card (work use), e-tag, and phone allowance
- Long-term, stable work with a 40+ year family-owned business
- Steady pipeline through Glenvill, Simonds, Luxton, and JG King, not one-off jobs
- Work alongside a 30-person team that's been doing this since 1983
- Benefits: Company car, Fuel card, E-tag, Phone allowance

Job Type: Full-time

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📌 Mechanical Plumber - HVAC (Williamstown)
🏢 Staycool (VIC
📍 Williamstown