THIEVES stole two air-conditioners that were ready to be installed at a commercial premises in Arkwright Drive, Dandenong South.
Police said they used a forklift to place the Mitsubishi Electric units on their tray truck between 5pm on 9 July and 7am on 10 July.
One of the thieves is described as male and 160 centimetres tall with solid build, bald head and tattoo sleeve.
Call Crime Stoppers on 1800 333 000 with any information.