This qualification is designed for experienced plumbing and heating engineers who wish to develop their skills in the installation, commissioning, and maintenance of air source heat pump (ASHP) systems. It aligns with the requirements of the Microgeneration Certification Scheme (MCS) and supports the UK’s transition to low-carbon heating technologies.

Who is it for?
Qualified heating and plumbing engineers
Professionals looking to expand into renewable technologies
Installers seeking MCS certification
Those working in domestic or light commercial environments
Entry Requirements
NVQ Level 2 or 3 in Plumbing or Heating and Ventilation (or equivalent)
Water Regulations and Energy Efficiency qualifications are recommended
Prior knowledge of conventional heating systems
Course Content
The course typically covers the following units:

Principles of Air Source Heat Pump Technology

Environmental benefits and system types
Heat pump cycle and refrigerants
Coefficient of performance (COP) and Seasonal Performance Factor (SPF)
System Design and Specification

Heat loss calculations
Sizing and selection of ASHP units
Integration with existing heating systems
Installation and Commissioning

Pipework and electrical requirements
Positioning and mounting of external and internal units
System filling, flushing, and commissioning procedures
Maintenance and Fault Diagnosis

Routine servicing
Troubleshooting common issues
Safety checks and performance optimization
Assessment
Written theory assessment
Practical installation and commissioning tasks
Portfolio of evidence (in some centres)
Duration
Typically 3 to 5 days, depending on the training provider and delivery format.

Certification
Upon successful completion, candidates receive the City & Guilds Level 3 Award (2924), which is recognised by MCS and industry employers.

Progression
MCS accreditation
Further training in ground source heat pumps, solar thermal, or battery storage
NVQ Level 3 in Renewable Energy Systems