HVAC / Multi-skilled Gas Engineer - Mobile
Trevett Project Services
Don’t send a generic resume — generate a resume and cover letter tailored to this exact role.
Benefits offered by this job
Job summary
Trevett Project Services is seeking a mobile HVAC / Gas multiskilled Engineer covering Chester and surrounding area. You will join the National engineering team to deliver planned and reactive maintenance across commercial and retail sites, ensuring HVAC and gas systems operate safely and efficiently in line with statutory and client requirements.
Key duties include PPMs, fault finding, and compliance with Gas Safe and F-Gas regulations, plus accurate quotations and documentation using CAFM
Qualifications
- 2–5+ years’ experience in commercial gas maintenance.
- Experience within a mobile FM environment desirable.
- Strong diagnostic and fault-finding capability.
Responsibilities
- Deliver planned and reactive maintenance across commercial sites.
- Maintain HVAC and gas plant to comply with regulations.
- Produce accurate quotations for remedial works.
Skills
Education
Tools
Job description
For over 30 years, this company has built a reputation for delivering dependable, high-quality mechanical engineering services across a wide range of client environments. Our strength lies in keeping critical systems operational—supporting organisations with technical precision, responsive maintenance, and long-term reliability. Founded on trust, care, and reliability, we’re more than a service provider—we’re a fully embedded partner in our clients’ operations.
As a mobile HVAC / Gas multiskilled Engineer covering Chester and surrounding area, you will be part of the National engineering team, responsible for delivering planned and reactive maintenance across a range of commercial and retail sites. You will ensure HVAC / Gas systems operate safely, efficiently, and in full compliance with statutory and client requirements.
Carry out PPM tasks in line with SFG20, statutory requirements, and contract specifications.
- Commercial gas boilers and heaters
- AHUs, FCUs, VRV/VRF, split systems
- Pumps, valves, fans, controls, and associated plant
Ensure all works are completed proactively, efficiently, and to the required standard.
Diagnose faults across both HVAC and gas systems, completing repairs within SLA requirements.
Minimise downtime through effective troubleshooting and first-time fix focus.
Escalate complex issues to the helpdesk or Contract Manager where appropriate.
Ensure all gas works are completed in accordance with Gas Safe regulations and current legislation.
Ensure HVAC works comply with F-Gas regulations, manufacturer guidance, and company procedures.
Maintain site logbooks and ensure accurate compliance documentation is completed and uploaded via the CAFM system.
Work strictly in accordance with company H&S policies, RAMS, and statutory requirements.
Identify remedial works and produce accurate, commercially sound quotations, including:
- Correct parts identification
- Realistic labour allowances
- Clear scope and methodology
- NVQ Level 3 in Air Conditioning & Refrigeration / HVAC (or equivalent)
- F-Gas Category 1
- Good electrical and mechanical fault-finding skills
- City & Guilds COCN1 – Core Commercial Gas Safety
- CCN1 – Core Domestic Natural Gas Safety
- CDGA1 – Non-Domestic Natural Gas & LPG Direct Fired Heating Appliances
- CODNCO1 – Changeover Domestic to Non-Domestic Core
- CIGA1 – Non-Domestic Indirect Gas-Fired Heating Appliances
- CPA1 – Combustion Performance Analysis
- CENWAT – Domestic Central Heating/Hot Water Boilers
- ICPN1 – Non-Domestic Pipework & Fittings
- TPCP1 / TPCP1A – Testing & Purging
- ACRIB Gold Skills Card (Desirable)
- Understanding of F-Gas compliance and environmental regulations.
- Air Source Heat Pump (ASHP) or Ground Source Heat Pump (GSHP) (Preferred)
- Experience with larger complex sites, or critical plant systems (e.g. chillers, large AHUs, Boilers).
- CKR1 – Domestic Gas Cooking Appliances
- CCCN1 – Non-Domestic Catering Appliances
- HTR1 – Domestic Gas Fires & Wall Heaters
- CORT1 – Radiant Plaque & Tube Heaters
- Legionella Awareness & Practical Training
- Asbestos Awareness
- PASMA
- IPAF 3a & 3b
- 2–5+ years’ experience in commercial gas maintenance.
- Experience within a mobile FM environment desirable.
- Strong diagnostic and fault-finding capability
- Proven commercial HVAC / Gas maintenance experience
- Good electrical and mechanical fault-finding skills
- Full UK Driving Licence
- Strong understanding of Health & Safety
- ACRIB Gold Skills Card (Desirable)
- Understanding of F-Gas compliance and environmental regulations.
- Electrical qualification or knowledge
- Asbestos awareness (Desirable)
- Experience working under the SFG20 framework for maintenance schedules.
- Experience with larger complex sites, or critical plant systems (e.g. chillers, large AHUs).
- Air Source Heat Pump (ASHP) or Ground Source Heat Pump (GSHP) (Preferred)
- Take part in the on-call rota
- 25 Days annual leave plus bank holidays.
- Buy and sell holiday to suit your schedule.
- One paid volunteering day per year, empowering you to support causes that matter to you.
- Company Van for site travel.
- Access to our Employee assistant programme for wellbeing support.
- Auto enrolment in the company pension scheme.
- Full training by a supportive friendly team.
- Annual events
'/%3e%3cpath%20d='M101.744%2012.4726L102.894%2016.1947L99.0021%2013.2201L101.744%2012.4726ZM105.3%208.40937H100.488L99.0026%203.59473L97.5116%208.41047L92.7%208.40385L96.5965%2011.3834L95.1055%2016.1942L99.0021%2013.2196L101.408%2011.3834L105.3%208.40992V8.40937Z'%20fill='white'/%3e%3cdefs%3e%3clinearGradient%20id='paint0_linear_5593_1381'%20x1='90'%20y1='9.44471'%20x2='99'%20y2='9.44471'%20gradientUnits='userSpaceOnUse'%3e%3cstop%20stop-color='%2300AD70'/%3e%3cstop%20offset='0.998594'%20stop-color='%2300B67A'/%3e%3cstop%20offset='1'%20stop-color='%23DCDCE6'/%3e%3c/linearGradient%3e%3c/defs%3e%3c/svg%3e){kind=small}
