Abstract: A road side airconditioning and/or heating facility in, or adjacent, a parking bay for a vehicle, including and supporting, in use, an airconditioning unit and/or heating unit, or reverse cycle unit (11), relative to the vehicle and for temporary association with the vehicle, and having a flexible supply duct (14a) and a flexible return duct (14b), and having means (15) to, in use, associate the ducts with the interior of the cabin of the vehicle, whereby conditioned and/or heated air may be supplied to the cabin of the vehicle. The unit (11) is supported on a pillar (19) via a pulley arrangement (22) to allow the unit to be raised and lowered relative to the vehicle, and an arm arrangement (20) pivotable in a horizontal plane to allow lateral adjustment of the unit into and out of the parking bay.