Subcontractors wanted

    Chiller Engineer Subcontractors

    Chillers serve offices, data rooms and process cooling, and faults need experienced hands. We work with self-employed chiller engineers who can service, diagnose and repair commercial chiller plant for our clients.

    Trades covered on this page

    Chillers.

    Typical scope of work

    • Planned maintenance on air-cooled and water-cooled chillers
    • Compressor, controls and refrigerant circuit fault-finding
    • Leak testing and F-gas record keeping
    • Pump and chilled-water system checks
    • Commissioning after component replacement

    Typical sites: Office buildings, data rooms, hospitals, hotels and process cooling sites.

    Qualifications we ask you to evidence

    • F-gas Category 1 certificate
    • Experience on commercial chiller plant (please list manufacturers you know)
    • Electrical competence for control circuits
    • Site safety training appropriate to commercial plant rooms (for example CSCS or SSSTS where clients require it)

    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

    Chiller subcontract work and self-employed chiller engineer jobs are offered per job. Tell us your experience level so we only offer work that suits you.

    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 offer large chiller replacement projects?

    Occasionally. Most chiller work is servicing and repairs; larger projects are scoped and offered separately.

    Is plant room experience required?

    Yes for chiller work. Please describe your commercial plant experience in the app.

    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
    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
    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