Install, service and repair transport refrigeration units.
Apprentices learn to install, service, and repair transport refrigeration units (TRUs) across HGV trucks, trailers, and home delivery vans. The training covers thermodynamics, refrigerant gas principles, electrical fault-finding, and internal combustion engine operation. Apprentices also learn planned and reactive maintenance techniques, safe handling and disposal of refrigerants, retrofitting refrigeration systems, and how to commission a unit to ensure it pulls the correct temperature. Reading manufacturer manuals, calibration records, and working to industry regulations are central to the programme.
Most of the work is mobile. Apprentices travel to customer sites to carry out scheduled servicing, which includes refrigeration checks, oil and filter replacements, and electrical inspections. They also respond to breakdown callouts, diagnosing faults on electrical and electronic control systems and making repairs under time pressure to protect temperature-sensitive loads. Tasks include fitting gauges, piping units, replacing components, and completing accurate job records and quotations. On-call rotas mean some work happens outside standard hours, including evenings and weekends.
Completing this apprenticeship leads directly to roles as a mobile refrigeration engineer or mobile transport refrigeration technician. Employers include cold chain logistics operators, temperature-controlled haulage companies, TRU manufacturers and their dealer networks, and specialist refrigeration service companies. Industries relying on these technicians include food retail, pharmaceuticals, and agricultural supply chains. Experienced technicians often progress to senior technician or workshop supervisor roles, and some move into technical sales, field service management, or trainer positions within the sector.
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Qualified technicians typically move into Mobile Transport Refrigeration Technician or Mobile Refrigeration Engineer positions, working from a depot or operating as a field technician travelling to customer sites. Day-to-day responsibilities include servicing, fault diagnosis and repair of transport refrigeration units fitted to HGV trailers, trucks and home delivery vans, managing a company van and parts stock, and responding to breakdown callouts across the cold chain.
With three to five years of experience, technicians often progress to Senior Refrigeration Engineer or Field Service Supervisor roles, taking on more complex fault diagnosis and providing technical guidance to junior colleagues. Beyond that, the routes split: those who prefer technical depth can move into specialist roles covering refrigerant retrofitting, system commissioning or manufacturer technical support. Those who move into management typically progress to Service Manager or Depot Manager positions, overseeing scheduling, customer accounts and team performance.
The cold chain underpins food retail, food manufacturing, pharmaceutical distribution and logistics, so employers span a wide range of sectors and scales. Refrigeration service contractors, TRU manufacturers with their own field service divisions, large supermarket and food service logistics providers, and pharmaceutical cold chain specialists all hire for these roles. Positions exist across both private operators and specialist third-party maintenance companies, with demand spread throughout the UK rather than concentrated in any single region.
Throughout the apprenticeship, learning takes place on the job alongside structured off-the-job training, covering the technical knowledge, practical skills, and professional behaviours the occupation requires. Before final assessment, the apprentice must pass through a gateway, a readiness check where the employer and training provider confirm that the apprentice is competent across the full range of duties, from installing and servicing transport refrigeration units to fault diagnosis and safe decommissioning. Final assessment then confirms that level of competence independently. Assessment arrangements for many standards are currently being updated, so check the standard's gov.uk page for the current specification.
Building a strong body of workplace evidence throughout the apprenticeship, rather than leaving it to the end, makes the gateway and final assessment considerably more straightforward. Apprentices should record real work activities as they go: installations, service visits, fault-finding jobs, and any work involving refrigerant handling or hazardous waste disposal. Regular review meetings with both the employer and training provider help identify gaps early, so there is time to address them before readiness is formally confirmed.
Look for providers with an achievement rate above 65% on their FATP profile, and read learner reviews for specific references to hands-on fault-finding and refrigeration system work rather than classroom theory alone. Strong providers will have practical workshop facilities where apprentices work on actual TRUs, including electrical diagnostic equipment and refrigerant handling apparatus meeting current F-Gas regulations. Employer satisfaction scores above 80% suggest the provider is keeping pace with what the industry actually needs. Check that the curriculum covers both standalone diesel-driven units and electric TRUs, given how quickly the vehicle refrigeration market is shifting.
Be cautious of providers with high learner volumes but a falling achievement rate over two or three years, particularly for a specialism this narrow. If a provider cannot show you that apprentices are working on real TRUs during off-the-job training, not just generic refrigeration or automotive systems, that is a significant gap. Vague answers about F-Gas certification pathways, or no clear explanation of how emergency breakdown scenarios are simulated or experienced, suggest the programme may not prepare technicians for the 24/7 on-call realities of the role.
Employers set their own entry requirements, so these vary. Most employers look for some practical or mechanical aptitude, and a full driving licence is commonly expected given the mobile nature of the role. There is no mandatory prior qualification, but a background in engineering, electrical work, or vehicle maintenance is useful. Apprentices must be employed for the duration of the programme and spend the majority of their time doing productive work in the role.
The typical duration is 36 months, though the actual length depends on prior experience and how quickly the apprentice progresses. Apprentices are employed throughout and work while they learn. A portion of their contracted hours must be spent on off-the-job training, though the exact percentage is subject to current reforms. Check the current specification on the Institute for Apprenticeships and Technical Education page on gov.uk for up-to-date requirements.
Before completing, the apprentice must reach the gateway, where the employer, training provider, and apprentice agree the apprentice has demonstrated the required knowledge, skills, and behaviours. Assessment models for many standards are being updated as part of ongoing reforms, so the precise end-point assessment method may change. The current assessment details are published on the gov.uk apprenticeship standard page. Broadly, the apprentice must show they can install, service, fault-find, and repair transport refrigeration units to the standard required in a live working environment.
The funding band for this standard is £16,000, which is the maximum that can be drawn from the apprenticeship levy or government contribution to cover training and assessment costs. Levy-paying employers use funds held in their Digital Apprenticeship Service account. SMEs that do not pay the levy contribute 5% of the training cost, with the government paying the remaining 95%. Employers taking on an apprentice aged 16 to 18 pay nothing, as the government covers the full training cost. Wage costs are always the employer's responsibility.
The work centres on installing, servicing, and repairing transport refrigeration units fitted to HGV trucks, trailers, and home delivery vans. In practice, that means carrying out scheduled maintenance such as engine, oil, fuel, and air filter checks, diagnosing electrical and refrigeration faults, replacing components, and commissioning newly fitted units to confirm they reach the correct temperature. Technicians work from a van, travelling to customer depots and sites. On-call breakdown attendance is a regular part of the role, including outside standard working hours, because a failed unit can mean a lost load worth hundreds of thousands of pounds.
Completers typically move into roles as mobile refrigeration engineers or senior transport refrigeration technicians, often taking on more complex fault diagnosis or leading on-site teams. Some progress into technical specialist or supervisory positions within cold chain logistics businesses, TRU manufacturers, or fleet maintenance contractors. Further study options include higher-level engineering qualifications or industry-specific certifications. The refrigeration handling qualifications gained during the apprenticeship also support regulatory compliance work, which can open doors in equipment installation and commissioning projects.
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Curated by Alex Lockey, FATP founder and editor. Last reviewed: .
Sources include the apprenticeship's official specification on apprenticeships.gov.uk, Skills England guidance, IfATE archive records, DWP funding bands, and provider data sourced directly from the public Apprenticeship Provider and Assessment Register (APAR). Standard reference: 715.
Some sections on this page were drafted with AI assistance from published source data and reviewed by a human editor before publication. See our editorial methodology for how we maintain this content. Spotted something out of date? Tell us.