Hecca (or Heca) was an Anglo-Saxon Bishop of Selsey. According to the Anglo-Saxon Chronicle, Hecca was chaplain to Edward the Confessor and became bishop when Grimketel died in 1047. He was an Englishman, and a royal clerk. He died in 1057. ...
Home Energy Conservation Act - www.defra.gov.uk/environment/energy/heca95/
Home Energy Conservation Act (UK)