A man claims he is facing a £7,000 energy bill after switching to a £27,000 Government-backed green heating system.
Officials are currently giving grants for up to £5,000 to home owners who replace their gas central heating and hot water system with a heat pump.
Steve Mason, 58, spent thousands on his brand new system - but says his bills have rocketed despite his thermostat being set at just 17 degrees.
