London A/C Engineer – On-site Install & Service

Mistral London; Greater London; On-site; GBP 35,000 - 48,000; Full time

Job summary

Mistral London is seeking an experienced Air Conditioning Engineer for a full-time, on-site role based in Greater London. You will install, maintain, and repair air conditioning and ventilation systems in commercial and residential properties, ensuring energy efficiency and reliable performance.

Daily tasks include diagnosing faults, servicing systems, performing upgrades, and completing safety checks. You will liaise with site contacts, explain work clearly, and maintain accurate service

Qualifications

• Experience with HVAC installation, maintenance, fault finding, and repair.
• Experience in commercial or residential properties.
• Experience with planned preventative maintenance and reactive call-outs.
• HVAC or mechanical engineering qualifications (NVQ, City & Guilds) advantageous.
• Health and safety compliance and F-Gas certification advantageous.
• Valid UK driving license and ability to travel across Greater London.

Responsibilities

• Install, maintain, and repair air conditioning and ventilation systems.
• Diagnose faults and perform routine servicing.
• Carry out system upgrades and safety checks.
• Provide clear explanations to customers and site contacts.
• Maintain accurate service records and documentation.
• Collaborate with the wider team to meet deadlines and service contracts.

Skills

HVAC systems

Fault finding

Maintenance

Repair

Building services

Facility management

Health and safety

Education

NVQ in HVAC

City & Guilds in HVAC

Job description

Mistral London is seeking an experienced Air Conditioning Engineer for a full-time, on-site role based in Greater London. You will install, maintain, and repair air conditioning and ventilation systems in commercial and residential properties, ensuring energy efficiency and reliable performance.

Daily tasks include diagnosing faults, servicing systems, performing upgrades, and completing safety checks. You will liaise with site contacts, explain work clearly, and maintain accurate service