Since the start of the schemes, over 650 households in West Dunbartonshire and over 350 in Inverclyde have taken advantage of them.
British Gas has said that more than seven million households will benefit after it cut its standard tariff gas prices by 10%.
From November 2008, LESS has been operating in Inverclyde.
The number of households in fuel poverty in the UK rose to 3.5 million in 2006, government figures show.