POLICE are calling for witnesses after thieves stole split system air-conditioners from three newly-built houses in Cranbourne North.

Police said the thieves broke into the Ogle Way homes sometime between 6pm on 22 October and 6pm on 25 October.

The air-conditioners are valued at $1000 each.

Anyone with information is urged to call Detective Sergeant Larry Grimshaw at the Casey CIU on 9705 3111.