JR301: Heat Pump & Ventilation Engineer

Location: London & Home Counties

Salary: £38,000 – £55,000 + company van + overtime + training

Overview:

First Military Recruitment is working in partnership with our reputable client who is seeking an Air Source Heat Pump & MVHR Service / Breakdown Engineer to join their team.

This is a fantastic opportunity for an experienced engineer to work on both domestic and commercial systems across a varied portfolio including social housing, private, and commercial properties. The role offers excellent long-term stability, ongoing training, and clear progression opportunities.

Duties and Responsibilities:

• Service and fault-find domestic and commercial air source heat pump (ASHP) systems
• Diagnose electrical, hydraulic, and refrigerant-related faults
• Check system flow rates, temperatures, and overall performance
• Work on associated equipment including buffer vessels, low loss headers, pump sets, and plate heat exchangers
• Service, inspect, and maintain MVHR units and ventilation systems
• Replace filters and check fans, controls, and condensate drainage
• Investigate airflow and system performance issues
• Complete service, maintenance, and breakdown reports accurately
• Follow RAMS and safe working procedures at all times
• Deliver high levels of customer service, particularly in occupied properties
• Liaise with internal teams regarding repair recommendations and required works

Skills and Qualifications:
Essential:

• NVQ Level 3 in Plumbing & Heating (or equivalent)
• F-Gas Category 1
• G3 Unvented Hot Water qualification
• Heat pump training (manufacturer or accredited)
• Strong electrical fault-finding skills
• Experience with wet heating systems
• Full UK driving licence

Desirable:

• MCS experience
• BPEC or City & Guilds Heat Pump qualifications
• MVHR manufacturer training (e.g. Nuaire, Vent-Axia, Zehnder)
• Commercial plant room experience
• Experience with BMS fault interrogation