Our comp is working in UK In energy efficiency grants. Free and funded replacement boilers are available under the ECO scheme initiated by the government. This scheme is aimed at helping households with low income to reduce their expenses for heating their homes and also reducing their carbon footprint. ECO4 grants are available for home owners and privately rented properties of low energy rating (EPC rating of D,E,F and G) subject to income and benefits related criteria and retrofit assessment survey.