Heat Pump & Ventilation Engineer

  • First Military Recruitment Ltd
  • 13/04/2026
Full time Construction

Job Description

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