Subcontractors wanted

    Ventilation, AHU & FCU Subcontractors

    Air handling units, fan coil units and extract systems need regular servicing and quick repairs. We work with self-employed ventilation engineers who can take on this work for commercial clients.

    Trades covered on this page

    Ventilation, AHU, FCU.

    Typical scope of work

    • AHU servicing, belt and filter changes
    • Fan coil unit servicing, valve and motor replacement
    • Kitchen extract and supply ventilation faults
    • MVHR and extract fan repairs
    • Airflow measurement and reporting

    Typical sites: Offices, retail units, restaurants, schools and residential blocks.

    Qualifications we ask you to evidence

    • Mechanical services qualification or proven ventilation experience
    • Electrical competence for motors and controls
    • Airflow measurement equipment for commissioning work
    • Working-at-height or access training where needed

    Course and scheme names are examples. We check certificates and registrations during review, and we only offer work that matches what you are qualified to do.

    Insurance requirements

    We ask every applicant for current public liability insurance. Our usual minimum is £2,000,000, and many commercial clients require £5,000,000 before work on their sites is offered. If you employ anyone, employer's liability insurance is a legal requirement.

    Subcontract and self-employed work

    Ventilation subcontract work, AHU engineer subcontractor jobs and self-employed FCU engineer work are offered when they match your skills and area. No set volume is promised.

    Joining our network does not guarantee any work or income. Jobs are offered when suitable work is available in your area, and you are free to accept or decline each one. You work as a self-employed contractor responsible for your own tax, tools, registrations and insurance.

    How to apply

    1. Open the UK Gas Plumbers engineer app at app.ukgasplumbers.com.
    2. Add your trades, working area, availability, qualifications and insurance documents.
    3. Our team reviews your application and contacts you if we have suitable work.
    Apply in the engineer app

    Frequently asked questions

    Do you need ductwork installers?

    Occasionally for small projects. Most work is maintenance and repair of existing systems.

    Do I need F-gas for FCU work?

    Not for water-based fan coils. F-gas is needed if a job involves refrigerant circuits.

    How do I apply?

    Apply online at app.ukgasplumbers.com. You'll add your trades, working area, qualifications and insurance details, and our team reviews each application.

    Is work guaranteed?

    No. We offer jobs when suitable work comes in for your trade and area. There is no promised volume or income.

    Ready to work with us? Apply online in the UK Gas Plumbers engineer app.

    Apply Now — Join Our Network
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    UK-Based Customer Service, 24 Hours a Day

    Our friendly support team answers every call, message and booking request — day, night, weekends and bank holidays. No call centres, no bots, no waiting in a queue. Speak to a real coordinator who will dispatch a Gas Safe engineer fast.

    • Answered within 30 seconds, 24/7/365
    • UK-based coordinators — no overseas call centres
    • Call, WhatsApp, live chat or online booking
    UK Gas Plumbers customer service agent wearing branded navy and yellow polo with headset, 24/7 emergency call out support
    24/7 EMERGENCY CALL OUT
    Talk to a Real Human

    UK-Based Customer Service, 24 Hours a Day

    Our friendly support team answers every call, message and booking request — day, night, weekends and bank holidays. No call centres, no bots, no waiting in a queue. Speak to a real coordinator who will dispatch a Gas Safe engineer fast.

    • Answered within 30 seconds, 24/7/365
    • UK-based coordinators — no overseas call centres
    • Call, WhatsApp, live chat or online booking