Through ECO Free Boiler Replacement Grant (ECO Boiler Scheme or Free Boiler Scheme) grants your old inefficient heating systems are replaced by the latest A-rated gas boilers with an efficiency rating above 90%. To qualify for ECO Boiler Replacement Grants you need to be in receipt of specific benefits such as Child Tax Credit with an income of £16,010 per year, Income related Employment and Support Allowance (ESA), Income based Job Seekers Allowance (JSA) or Income Support, Working Tax Credit & Pension Credit.