Insulation firms allege double counting on carbon savings

Eon subsidises half the cost of insulation at the DIY chains Wickes and Homebase as part of its efforts to meet its CERT obligations – a scheme which requires energy suppliers to improve the energy efficiency of their customers’ homes. British Gas has a similar agreement with B&Q, as does Scottish and Southern with Focus and EDF with Tesco.

These products are intended to be bought by domestic customers. However, loft insulation installe