Telegraph: Up to 125,000 households with working boilers with the lowest ”G” rating in England can apply for vouchers from the Energy Saving Trust towards ”A” rated boilers or renewable heating systems such as a biomass boiler or heat pump. The Government said the £50 million scheme will save as much carbon as taking 45,000 cars off the roads and will also cut a household’s energy bill by up to £235 a year. The average cost of a boiler and its installation is around £2,500, according …