Commercial Air Conditioning & Ventilation Engineer

Location: Mobile role - Greater London

Hours: 40 hours per week on site (with overtime available) (no pressure to do more than 40 hours per week)

Salary: £36,000 - £50,000 (DOE) + door-to-door travel + enhanced overtime rates

The Opportunity

An established and highly regarded HVAC services provider is seeking a skilled Commercial Air Conditioning & Ventilation Engineer to join its growing operations team.

This is a dynamic, field-based role where no two days are the same. You'll work across a diverse portfolio of commercial environments, including office spaces, leisure facilities, healthcare settings, and educational sites, delivering high-quality maintenance and repair services.

You'll be trusted to manage your workload, supported by a well-organised office team, while representing a company that values professionalism, teamwork, and long-term relationships with both clients and employees.

What You'll Be Doing

Carrying out planned preventative maintenance (PPM) on a wide range of HVAC systems, including AHUs
Diagnosing faults and delivering effective repair solutions
Pressure testing, leak detection, evacuation, and refrigerant recharging in line with regulations
Replacing and upgrading components where required
Using manufacturer software to assist with system diagnostics
Checking and optimising system controls (basic BMS understanding required)
Accurately recording works via a mobile field management system
Communicating clearly with clients on-site, providing updates and professional advice
Participating in an on-call rota for out-of-hours support

Requirements

Proven experience as a commercial HVAC engineer
Strong fault-finding and problem-solving skills
Excellent communication and customer-facing ability
A proactive, team-oriented mindset
High attention to detail, especially in reporting and compliance
A strong commitment to safety and professional standards

Essential Qualifications

City & Guilds 2079 F-Gas Category 1 (mandatory)
NVQ Level 2 or 3 in Refrigeration & Air Conditioning (or equivalent)
Full UK driving licence
CSCS card (or willingness to obtain)

Desirable: IPAF, PASMA, and manufacturer training certifications

Benefits

Door-to-door paid travel
Overtime at 1.5x (and up to 2x for evenings/Sundays)
Plenty of Saturday work available if wanted
Structured training programme (including CSCS, IPAF, PASMA, and manufacturer courses)
Regular performance and development reviews
23 days holiday + bank holidays
Supportive, team-focused working environment
Recognition initiatives and a positive workplace culture

Why Join?

You'll be part of a business that genuinely values its engineers—where trust, collaboration, and high standards drive everything they do. With a strong pipeline of work and a commitment to ongoing development, this is an excellent opportunity for an engineer looking to build a long-term, rewarding career.

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Air Conditioning & Ventilation Engineer