HVAC Site Supervisor

Zoom Recruitment; Croydon; On-site; GBP 45,000 - 58,000; Full time

Benefits offered by this job

Company van

Uniform provided

Fuel card

28 days holiday (including bank)

Company pension scheme

Travel compensation for long unpaid往

Ongoing training on new equipment

Career progression opportunities

On-site fitness/gym access

Job summary

Zoom Recruitment is staffing an HVAC Engineer Site Supervisor to oversee AC/HVAC installations across multiple sites in London & South East. The role focuses on supervising subcontractors, ensuring high installation standards, and providing technical support on premium residential and commercial projects.

The ideal candidate will have category F-Gas 2079, time-served HVAC experience, and strong commissioning/fault-finding skills for split, multi-split and VRV systems, with a focus on quality and

Qualifications

• Category 1 F-Gas 2079 certification.
• Time-served engineer with broad HVAC and building services experience.
• Previous experience supervising installers or subcontractors on site.
• Confident commissioning and fault-finding across a variety of AC and refrigeration systems.
• Strong installation experience with split, multi-split and VRV systems.
• Experience working with Daikin and Mitsubishi equipment.

Responsibilities

• Carry out pre-start site surveys, checking access, services, materials, designs and project readiness.
• Supervise and coordinate subcontractors throughout installation projects.
• Allocate work, monitor progress and ensure projects remain on schedule.
• Maintain high standards of workmanship and installation quality.
• Act as the main point of contact for clients, contractors and other trades on site.
• Support the HVAC Manager with installation planning, project oversight and quality control.
• Commission a variety of AC and HVAC systems, including split systems, multi-splits, VRV, MVHR and ventilation.
• Complete commissioning documentation and records.
• Oversee snagging through to final sign-off and handover.
• Attend call-backs, diagnose faults and carry out necessary repairs.
• Provide technical advice and support to colleagues and subcontractors.
• Identify additional works, variations and opportunities to improve installations.
• Carry out hands-on installation work when required.
• Work across split systems, multi-splits, VRV, MVHR and ventilation.
• Ensure all work complies with manufacturer specifications, including Daikin and Mitsubishi equipment.
• Maintain high standards of health and safety across all sites.
• Ensure correct refrigerant handling and installation procedures are followed.

Skills

HVAC systems

Supervision

Commissioning

Project coordination

Health & safety

Communication

Education

NVQ Level 3 in Air Conditioning and Refrigeration

SSSTS or SMSTS qualification

Category 1 F-Gas 2079 certification

Tools

Daikin equipment

Mitsubishi equipment

Full UK driving licence

Job description

HVAC Engineer Site Supervisor

Location: London & South East (office based in Croydon)

Salary: £45,000 - £58,000 per annum

Job Type: Full-time, Permanent

Are you an experienced AC/HVAC Engineer ready to take the next step in your career? We are working with an established and growing specialist in renewable energy and building services, who are looking to recruit an experienced AC/HVAC Engineer to join their team in a Site Supervisor capacity.

This is an excellent opportunity for an experienced engineer looking to move into a more senior position, or an existing supervisor seeking a new challenge working on high-quality residential and commercial projects. The business specialises in heat pumps, solar installations and complete renewable energy systems, delivering bespoke solutions across premium residential developments, new builds and major renovation projects.

You will take responsibility for overseeing AC and HVAC installations across multiple sites, managing subcontractors, ensuring high installation standards and providing technical support throughout each project.

The Role & Responsibilities:

• Carry out pre-start site surveys, checking access, services, materials, designs and project readiness.
• Supervise and coordinate subcontractors throughout installation projects.
• Allocate work, monitor progress and ensure projects remain on schedule.
• Maintain high standards of workmanship and installation quality.
• Act as the main point of contact for clients, contractors and other trades on site.
• Support the HVAC Manager with installation planning, project oversight and quality control.
• Commission a variety of AC and HVAC systems, including split systems, multi-splits, VRV, MVHR and ventilation.
• Complete commissioning documentation and records.
• Oversee snagging through to final sign-off and handover.
• Attend call-backs, diagnose faults and carry out necessary repairs.
• Provide technical advice and support to colleagues and subcontractors.
• Identify additional works, variations and opportunities to improve installations.
• Carry out hands-on installation work when required.
• Work across split systems, multi-splits, VRV, MVHR and ventilation.
• Ensure all work complies with manufacturer specifications, including Daikin and Mitsubishi equipment.
• Maintain high standards of health and safety across all sites.
• Ensure correct refrigerant handling and installation procedures are followed.

Essential Requirements:

• Category 1 F-Gas 2079 certification.
• Time-served engineer with broad HVAC and building services experience.
• Previous experience supervising installers or subcontractors on site.
• Confident commissioning and fault-finding across a variety of AC and refrigeration systems.
• Strong installation experience with split, multi-split and VRV systems.
• Experience working with Daikin and Mitsubishi equipment.
• Good understanding of pipework, brazing and pressure testing.
• Full UK driving licence.
• Comfortable working at height and within confined spaces.
• Strong communication and organisational skills.
• Ability to manage multiple sites and ensure projects stay on schedule.
• A proactive approach, with the ability to work independently and take responsibility for your work.

Desirable (but not essential):

• NVQ Level 3 in Air Conditioning and Refrigeration.
• SSSTS or SMSTS qualification.
• Previous commercial project experience.
• Electrical qualifications.
• Experience working on high-end residential or architect-led projects.

Salary & Benefits

• Competitive salary of £45,000 - £58,000, depending on experience.
• Additional performance-related bonus scheme, estimated at £500-£2,000 per annum.
• Company van, uniform and fuel card.
• 28 days paid holiday, including bank holidays.
• Company pension scheme following successful probation.
• Paid travel compensation where unpaid commuting time averages over two hours across a month.
• Ongoing training on new equipment and emerging technologies.
• Genuine opportunities for career progression into senior supervisory and management positions.
• Access to an on-site company gym.

This is an opportunity to join a growing business with a varied workload across premium residential developments, major renovations and selected commercial projects. You'll be working on technically interesting installations where quality and attention to detail are genuinely valued, with the opportunity to develop your supervisory experience and progress your career as the business continues to expand.