Senior HVAC Site Supervisor – Installations & Commissioning

Zoom Recruitment; City Of London; On-site; GBP 45,000 - 58,000; Full time

Benefits offered by this job

Company van

Uniform provided

Fuel card

28 days holiday (incl. bank holidays)

Pension scheme

Travel allowance

On-site gym

Job summary

Zoom Recruitment is looking for an experienced HVAC Engineer Site Supervisor to oversee AC/HVAC installations across multiple sites in London and the South East, with office baseline in Croydon. You will supervise subcontractors, manage schedules, and ensure high installation standards across premium residential and commercial projects.

The role offers a clear path to senior supervision and management, with ongoing training and opportunities across heat pumps and renewable energy systems.

Qualifications

• Holds valid F-Gas 2079 certification.
• Time-served with broad HVAC/building services experience.
• Experience supervising installers or subcontractors on site.
• Confident commissioning and fault-finding across AC/refrigeration systems.
• Good understanding of pipework, brazing and pressure testing.

Responsibilities

• Carry out pre-start site surveys including access, services, materials and designs.
• Supervise and coordinate subcontractors on installation projects.
• Allocate work, monitor progress and ensure projects stay on schedule.
• Maintain high workmanship and installation quality.
• Act as main on-site contact for clients, contractors and trades.
• Support HVAC Manager with planning, oversight and quality control.
• Commission AC/HVAC systems (split, multi-split, VRV, MVHR).
• Complete commissioning docs and records.
• Oversee snagging through final sign-off and handover.
• Attend call-backs, diagnose faults and carry out repairs.
• Provide technical advice to colleagues and subcontractors.
• Identify variations and opportunities to improve installations.
• Carry out hands-on installation work when required.
• Work across multiple system types and ventilation.
• Ensure compliance with manufacturer specs (Daikin/Mitsubishi).
• Maintain safety standards across sites.

Skills

F-Gas 2079 certification

Time-served engineer

Supervising installers

Fault-finding

Daikin & Mitsubishi experience

Health and safety awareness

Full UK driving licence

Work at height / confined spaces

Education

NVQ Level 3 in Air Conditioning & Refrigeration

SSSTS or SMSTS qualification

Electrical qualifications

Commercial project experience

Tools

Daikin equipment experience

Job description

Zoom Recruitment is looking for an experienced HVAC Engineer Site Supervisor to oversee AC/HVAC installations across multiple sites in London and the South East, with office baseline in Croydon. You will supervise subcontractors, manage schedules, and ensure high installation standards across premium residential and commercial projects.

The role offers a clear path to senior supervision and management, with ongoing training and opportunities across heat pumps and renewable energy systems.