Commercial HVAC and Gas Engineer

Johnson Controls; East Hagbourne; On-site; GBP 80,000 - 100,000; Full time

Job summary

A prominent HVAC service company in the UK is seeking a Commercial HVAC & Gas Engineer to maintain and repair HVAC systems at client sites. The ideal candidate will have qualifications in Air Conditioning & Refrigeration and Gas Safety, along with proven service experience. This mobile role offers a competitive salary, overtime rates, generous leave, and essential tools for success.

Benefits

Competitive salary

25 days holiday + bank holidays

Pension and life assurance

Tools for success including service van and mobile

Zero Harm safety culture

Qualifications

• Proven HVAC service experience, especially with AHUs and gas heaters.
• Strong knowledge of various HVAC systems including chillers and ice machines.
• Full UK driving license and willingness to travel.

Responsibilities

• Carry out service, maintenance, and repairs on HVAC & refrigeration systems.
• Install, service, and maintain gas and electric water heaters.
• Perform Gas Safety checks on appliances and pipework installations.

Skills

HVAC service experience

Troubleshooting skills

Knowledge of HVAC systems

Ability to work independently

Education

NVQ Level 2 in Air Conditioning & Refrigeration

F-Gas certification

Commercial Gas qualifications

Job description

Join Password Services Air Conditioning Ltd., part of Johnson Controls, as a Commercial HVAC & Gas Engineer. In this mobile role, you’ll work at blue‑chip client sites across the central region (Birmingham to Watford), ensuring HVAC and gas systems operate at peak performance.

You’ll be the primary technical contact for service issues—troubleshooting, repairing, and maintaining complex systems to deliver exceptional service.

What You’ll Do

• Carry out service, maintenance, and repairs on HVAC & refrigeration systems at client sites.

• Install, service, and maintain gas and electric water heaters.

• Replace and commission new heating systems and components.

• Diagnose and resolve faults quickly and efficiently.

• Perform Gas Safety checks on appliances and pipework installations.

• Maintain internal and external water systems for optimal performance.

• Ensure compliance with Health & Safety regulations and industry standards.

• Complete accurate job sheets, service reports, and compliance documentation.

• Liaise with clients and participate in an on‑call rota for emergency call‑outs.

What We’re Looking For

• Proven HVAC service experience (e.g., AHUs, gas heaters).

• Strong knowledge of HVAC systems (cold rooms, display cabinets, chillers, cellar cooling, ice machines).

• Excellent troubleshooting skills.

• Ability to work independently and as part of a team.

• Qualifications:

  • NVQ Level 2 or equivalent in Air Conditioning & Refrigeration

  • F‑Gas certification.

  • Commercial Gas qualifications (CODNCO1, CIGA1, ICPN1).

  • Gas Safe Registered.

• Full UK driving licence and willingness to travel.

What We Offer

• Competitive salary + premium overtime rates, standby allowance, and paid call‑outs.

• Tools for success: Service van, mobile, tablet, PPE, and specialist tools.

• Generous leave: 25 days holiday + bank holidays.

• Benefits: Pension, life assurance, EAP, referral scheme, retail discounts, Cycle2Work, and discounts on Johnson Controls products.

• Safety‑first culture: Zero Harm policy.

• Inclusive environment: Access to Johnson Controls business resource groups with training and development opportunities

Ready to thrive in a supportive, empowering culture where your work is valued? Apply now and take the next step in your HVAC career!