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Retrofit Technician

A Retrofit Technician helps make buildings more energy efficient by fitting low-carbon heating systems and better insulation so homes use less energy.

How a Retrofit Technician makes a difference

Retrofit Technicians help to fight climate change in the UK by cutting energy waste and reducing carbon emissions at home and work.

They help people save money on energy bills, keep homes warmer and help the country meet net-zero targets by improving how buildings use energy. This work supports healthier, more comfortable spaces and a greener future while supporting growth in construction and sustainable technology.

A man holding a tablet in one hand and reaching out to an external fan unit on the outside of a building.

The type of work a Retrofit Technician will do

  • Help install low-carbon heating like heat pumps and solar thermal systems
  • Fit insulation in walls, roofs and floors to stop heat escaping
  • Install energy-saving systems in buildings
  • Carry out measurements and support retrofit plans for a building
  • Use tools and equipment safely on site
  • Check systems are working correctly after installation
Useful skills
Problem solving
Skills & attributes
Useful skills
Technologically minded
Skills & attributes
Useful skills
Precise
Skills & attributes
Useful skills
Practical application
Skills & attributes
Useful skills
Logical thinking
Skills & attributes

What you can bring to the Retrofit Technician role

You enjoy working with tools and equipment

You like solving problems and planning how things fit together

You care about the environment and energy-saving

You are fit and comfortable doing physical work

You pay attention to detail on every job

You are happy learning new skills and technology

What you can bring to the Retrofit Technician role

This role could also be right for you if you have any of the following interests:

- Practical hands-on work

- Engineering and mechanics

- Building and construction

- Green technology and sustainability

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Average salary per year *
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Data powered by LMI for all
*according to ONS

Future career opportunities for a Retrofit Technician

Starting as a Retrofit Technician can lead to specialist jobs like Retrofit Coordinator or Domestic Energy Assessor, where you design and check retrofit plans. With more training, you could become a supervisor, trainer or even set up your own green retrofit business helping more homes improve their energy efficiency.

How to become a Retrofit Technician

There’s no perfect career path or ideal way into your dream job.

But if you’re interested in education and training options that could be relevant to this role, you might want to consider:

Options available after GCSEs:

  • A T-level in Building Services Engineering for Construction
  • An apprenticeship as a Low Carbon Heating Technician
  • An apprenticeship as an Insulation Technician

Schools and colleges each have their own career guidance plan and can provide detailed information, advice, and guidance on options and next steps.

A little more about the role

Exciting features...

Retrofit Technicians work on cutting-edge green technologies that help tackle climate change and make buildings greener. You’ll use tools and tech to install things like insulation, heat pumps and solar-thermal systems that help homes stay warm using less energy. Every day is different because each building has its own challenges and you’ll get to learn new skills on the job. You also work outdoors, meet lots of people, and can see the difference you make straight away when homes become more comfortable and cheaper to run.

Other job titles...

You might also see this role listed under different job titles, including:

Heat pump installer
Insulation installer
Renewable heating technician
Retrofit installer
Energy efficiency technician

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What are your next steps?

Discover our expert advice on the different pathways available and how to get into your dream role.

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