(https://www.heatpumps.org.uk/wp-content/uploads/2020/06/Building-the-Installer-Base Heating 02.06.pdf). 132 Heat Pump Association (2021), "New training course launched by the Heat Pump As (https://www.heatpumps.org.uk/secretary-of-state-welcomes-ground-breaking-new-train heat-pump-association/). Heat Pump Association (2019), "Building the installer base for net zero heating' 1-4 years: 9,500 additional FTE per year, predominantly specialist and technical skills • 5-10 years: reduction rate of training to 866 additional FTE per year Over 10 years: reduction in numbers required - 1,200 FTE per year