Heat Pump & Ventilation Engineer

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