Top of system with refrigerant Checked train ductless heat pump dual zone condenser with two indoor heads check system diagnosed system is low on refrigerant advised homeowner of leak check options or replacement of system. Homeowner asked about adding refrigerant informed homeowner it is possible but there’s no guarantee on adding refrigerant and how long it will last in the system. Homeowner opted to top up system with refrigerant with no guarantee recharge system with refrigerant 3 pounds check system in cooling and heating mode. Left system heating at 72° setpoint on remote controls systems are functional at this time.