The film was released on 27 November 2015 and received critical acclaim for its direction, acting, humour and emotion.

Daniel's life is turned upside down when he is summoned to his parents' remote farm in order to help them adjust to their new squalor.

Radiator was Johnson's final film prior to his death on 5 June 2015.

Fisher was nominated for "Breakthrough British Filmmaker" at the London Film Critics Circle Awards 2015, but he lost to John Maclean for Slow West.

Radiator won the Audience Award at Glasgow Film Festival 2015.