Disclosed are various embodiments of an apparatus for raising, suspending, transporting, and lowering appliance units for installation and removal. Two support frame assemblies, each having telescopic legs attached to wheels and upper support brackets from which the appliance unit is suspended, are connected by a removable frame connector. The apparatus may then be rolled across a rooftop to move and place the appliance unit. The frame connector may be replaced with a retention connector and supplemented with a lower retention connector for efficient storage and transport of the apparatus.