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Plumbers have been overlooked in the Government’s plans to end the use of gas boilers in British homes, putting the whole Net Zero agenda in jeopardy, a think-tank warns.

heat installer workforce project

The Social Market Foundation said that the Government strategy aimed at decarbonizing home heating does not give plumbers and other workers enough incentive to get training to install the heat pumps that ministers want to replace gas boilers.

The SMF is undertaking a major research project with the heat installer workforce. Its interviews with plumbers suggest that many see little reason to spend time and money getting the skills needed for heat pumps.

Net Zero Plans

The government’s stated ambition is for the deployment of 600,000 heat pumps installed a year by 2028

The UK’s Net Zero plans mean decarbonizing the heating of buildings, including homes, which account for 14% of carbon emissions. Over the coming decades that will mean replacing millions of domestic fossil-fuel-burning heating systems with new ones, including heat pumps.

The Government’s stated ambition is for the deployment of 600,000 heat pumps installed a year by 2028. The Heat Pump Association estimates that 50,200 fully trained heat pump installers will be required to fit one million heat pumps a year by 2030. But the SMF found that the Government does not appear to know how many installers are currently trained for heat pumps Official Net Zero documents use different figures, the SMF found.

Heat strategy

The Heat and Buildings Strategy, published by the business department, suggests that there are 1,100 fully accredited companies. The Net Zero Strategy, published by Boris Johnson on the same day, suggests there are currently 3,000 trained fitters.

SMF analysis of the heat strategy concludes that the policies it sets out do not give plumbers and installers enough reasons to train for heat pumps.  The strategy overlooks the fact that most of the relevant workers are self-employed sole traders, who must spend their own time and money on training.

Justification of training

The heating strategy does not do enough to support household demand for heat pumps

Many plumbers do not currently believe that such training will be soon justified by work installing heat pumps, the SMF found. The heating strategy does not do enough to support household demand for heat pumps, it concluded: the 450 million set aside for grants will support just 90,000 new pumps a year for three years.  

The heating strategy also postpones a decision on whether to support the use of hydrogen in boilers as an alternative to fossil fuel gas. That creates uncertainty among plumbers about heat pumps, the SMF said.

Risk of unskilled workers

Finally, the SMF found that some plumbers, especially those closer to pension age, are calculating that existing gas boilers will create enough work for them until they retire. Ministers have said they hope to end all installations of new gas boilers by 2035, but have not set a firm deadline and insist that no one will be required to replace a pre-existing boiler.

The combined effect will be that Britain risks being left with not having enough workers with the skills and training needed to replace millions of gas boilers, the SMF said.

The government isn’t creating enough incentives for plumbers and other heat workers to get the training needed"

Inadequate incentives

Amy Norman, the senior researcher at the SMF, said, Taking the carbon out of home heating is a vital part of Net Zero, and the Heat and Buildings Strategy is a good start."

"But as things stand, the government isnt creating enough incentives for plumbers and other heat workers to get the training needed to replace gas boilers with greener alternatives. That can still be fixed, but unless it is, forgetting to call the plumber could put Boris Johnsons whole green agenda at risk.

Plumbers, installers, and heat engineers are vital to Britains greener future. Theyre skilled workers who are used to making sure they have the right training to meet customers’ needs. But when youre your boss, you need to know the costs of training are going to be worthwhile, and right now Net Zero plans dont offer enough incentives to train.

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