The next sort of split a/c system will have greater than one interior system attached to a single outside fan unit. https://pipewiki.org/wiki/index.php/At_The_Tricks_To_Hiring_Reliable_HVAC_Contractors_We_Comprehend_The_Significance_Of_Locating_A_Trustworthy_And_Dependable_Heating_And_Cooling_Service_Provider.