Sucking heat out of the earth or air to power the nation’s homes ‘could be far cheaper than dirty gas boilers’

SUCKING heat out of the earth or air to power the nation’s homes could be far cheaper than dirty gas boilers, experts tell the PM today.  Eco-friendly heat pumps may be able to save cash-strapped Brits hundreds on their energy bills in future, if ministers swap over the current levies from electricity to gas today. […]
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