Air Conditioning Engineer

Acorn is a trusted provider of building engineering and maintenance services, delivering high-quality solutions across a diverse portfolio of commercial properties. Due to continued growth, we are looking for an experienced Mobile Air Conditioning Engineer to join our Operations team.

This is an excellent opportunity for a skilled and motivated engineer to become part of a professional, supportive business that values technical expertise, customer service and career development.

The successful candidate will be responsible for the maintenance, servicing, fault‑finding and repair of a wide range of commercial air conditioning systems, ensuring a high standard of service delivery and customer satisfaction.

Location: North and North West London

Salary: up to £45,000

Hours: 41.25 per week (Opportunity to work overtime)

Competitive salary with regular salary reviews.

Company vehicle provided.

Overtime opportunities available.

25 days annual leave plus bank holidays.

Company pension scheme with Scottish Widows.

Ongoing training and professional development to support your career growth.

Clear opportunities for long‑term career progression within a growing and successful business.

Exposure to a diverse portfolio of commercial properties and contracts.

Supportive and experienced management team committed to your success.

Collaborative and friendly working environment where your contribution is valued.

Access to employee wellbeing support and assistance resources.

Salary sacrifice benefits scheme.

The Role

As a Mobile Air Conditioning Engineer, you will be responsible for the service, maintenance, fault‑finding and repair of commercial air conditioning systems across a range of client sites throughout West and North West London.

Key responsibilities include:

• Carrying out planned preventative maintenance (PPM) and reactive maintenance on commercial air conditioning systems.
• Diagnosing faults and undertaking repairs on a variety of HVAC equipment and controls.
• Ensuring all work is completed safely and in accordance with industry regulations and best practice.
• Building and maintaining strong relationships with clients and site contacts.
• Working closely with Acorn's helpdesk, administration and management teams to ensure excellent service delivery.
• Producing clear and accurate service reports and recommendations for remedial works.
• Keeping Contracts Managers updated on job progress and site requirements.
• Participating in an out-of-hours emergency call‑out rota.

About You

• Proven experience within the Air Conditioning or HVAC industry.
• Strong knowledge of commercial air conditioning systems and associated controls.
• Excellent fault‑finding and diagnostic skills.
• Full UK Driving Licence.
• Good IT skills, including Microsoft Office applications.
• Strong communication and organisational skills.
• Ability to work independently and use your own initiative.
• Health & Safety training.
• Previous experience in a mobile engineering role.

We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, colour, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, and basis of disability.

I agree with having my data stored for 36 months.

When you apply, we may conduct a background check using public databases and websites and utilising a web search engine. Your CV may be retained for a maximum period of one year.

Need more info?

Our TA Executive Dale will answer your questions.

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