A large majority of respondents reported that they would be happy or very happy for both minor and substantial works to be carried out in their home for the purpose of improving fuel efficiency.
Nododd mwyafrif mawr o’r ymatebwyr y byddent yn hapus neu’n hapus iawn i fân waith a gwaith sylweddol gael ei wneud yn eu cartref er mwyn gwella effeithlonrwydd y system danwydd.