I’d like to challenge Patrick Harvie to a debate on the science of it.” Lord Haughey added: “My staff are always telling me I should not criticise our core business but this is eco nonsense being peddled by the Greens. He said this was because of the colder climate and warned “legionnaires’ disease can thrive in lower temperatures in hot water systems”. “But the truth of the matter is that heat pumps don’t work as efficiently in Scotland as they do in other countries.” Legionnaires’ disease Lord Haughey, who made his millions through a global refrigeration business, said:”I have a heat pump company and following Patrick Harvie’s announcement, I should really be jumping for joy. They were originally developed as air conditioning systems. The pump then uses electricity to amplify that energy into heat for the home. Lord Haughey said the cost was now £15,000.Īir source heat pumps work by extracting heat from the air while ground source pumps are powered by cables buried quite deep in the earth next to the house. His intervention came after Patrick Harvie, a Scottish Green minister, last week unveiled plans for homes to receive lower environmental ratings if they are heated using gas boilers.įrom 2025, homes will need to achieve an EPC rating of C or above at certain trigger points, including a sale, meaning some properties with boilers will be barred from being put on the market.Ī strategy published by ministers in 2021 said that the average cost of installing a heat pump is around £10,000, four times the £2,500 cost of a new fossil fuel boiler. The multi-millionaire, who owns a heat pump company, also warned they were noisy and only heated water to 54C (129.2F) – less than the 60C recommended by the Health and Safety Executive to kill the legionella bacteria. Parts of Scotland hit -15C last winter and the country holds the record for the UK’s lowest temperature of -27.2C seen in Braemar in Aberdeenshire in 1982 and Altnaharra in Sutherland in 1995. The Labour peer said some units can stop working properly at temperatures of -5C (23F), or require more electricity to function properly, resulting in higher bills. Lord Willie Haughey, the business tycoon, said the heating system is unsuitable for the Scottish climate as its performance declines markedly in freezing weather. A major heat pump supplier has attacked SNP-Green plans to use them to replace gas boilers in Scotland, warning parts of the country are too cold for them to work.
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