Tweet Please sign our survey / Llofnodwch ein harolwg ECO4 Energy Efficiency Improvements / ECO 4: Cynllun Gwelliannau Effeithlonrwydd Ynni Current ECO4 Improvements Your details Leave this field blank Have you had ECO4 energy efficiency home improvements? (such as heat pump installation, new boiler/central heating or solar panels) / Ydych chi wedi cael gwelliannau effeithlonrwydd ynni ECO4 i'ch cartref? How satisfied were you with the work carried out? / Pa mor fodlon ydych gyda'r gwaith? Unsatisfied on the left / Satisfied on the right Anfodlon ar y chwith / Bodlon ar y dde If you were dissatisfied with the work, which parts were not up to standard? / Os oeddech yn anfodlon gyda'r gwaith, pa rannau oedd ddim yn cyrraedd y safon? What was the name of the company carrying out the work? / Beth oedd enw'r cwmni oedd yn gwneud y gwaith? Were you given satisfactory paperwork following the work? / A roddwyd gwaith papur boddhaol i chi yn dilyn y gwaith? Would you recommend the ECO4 scheme to a friend or neighbour? / A fyddech chi'n argymell y cynllun ECO4 i ffrind neu gymydog?
