Opening hours of local businesses in O' Halloran Hill, South Australia Opening hours of local businesses in O' Halloran Hill, South Australia Home / South Australia / O' Halloran Hill Air conditioning contractor Adelaide Heating & Cooling O' Halloran Hill 53 Main S Rd, O' Halloran Hill SA 5158, O' Halloran Hill, South Australia 5158 (08) 8322 9111 Categories of local businesses in O' Halloran Hill Air conditioning contractor Air conditioning store