The British government aims to increase the installation rate of heat pumps to 600,000 units per year by 2028. By 2035, this number is expected to rise to 1.6 million per year. However, according to a report by the independent regulatory body, the National Audit Office (NAO), released on Monday, this target is far from being achieved. There is a lack of a long-term plan to motivate and financially support the population to switch to heat pumps.