operations within the pac system 100 the first and second utility access points 160 165 respectively include first and second electrical wires 315 320 or a gas line 325 330 that extend within the housing 105 from the first and second sides of the housing 105 to the electrical connector 305 or gas control valve 310 respectively in another embodiment the first and second utility access points 160 165 may further comprise a conventional electrical or gas connection interface 335 located on an exterior of the first and second sides of the housing 105 the first and second utility access points 160 165 are respectively configured to have an electrical wire or gas supply line that is exterior to the pach system 100 connected to it the electrical and gas connection interfaces 335 may be of conventional design for example the electrical connectors may be a negative and positive post terminals to which the electrical wires can easily be connected while the gas connector may be a threaded end of the gas tubes 325 330 with reference to fig1 3 the present disclosure also provides a method of manufacturing the pach system 100 in one embodiment the method includes providing.