Which energy efficiency course pays best?

Retrofit Coordinator (L5) and Designer roles command the highest responsibility; heat pump installers earn strongly on demand.

Energy Efficiency Courses in the UK

This is the master index of energy efficiency training in the UK. Use it to find the right course and the qualification it leads to, then follow the links to the detailed guide for each.

Last reviewed: August 2026

By technology

Heat pumps (air/ground source), solar PV and thermal, insulation (cavity/wall/underfloor), EV charging, water regulations, battery storage.

By role

Domestic Energy Assessor (L3), Retrofit Assessor (L4), Retrofit Coordinator (L5), Designer, Installer, Advisor.

Funding

Skills Bootcamps, college courses, Warm Homes Skills Programme, CITB grants and some free manufacturer training.

FAQs

Which energy efficiency course pays best?: Retrofit Coordinator (L5) and Designer roles command the highest responsibility; heat pump installers earn strongly on demand.