Home Videos How To: Properly FLARE Refrigerant Pipes On A DUCTLESS Mini Split How To: Properly FLARE Refrigerant Pipes On A DUCTLESS Mini Split Oct 14, 2021 comments off Tweet on Twitter Share on Facebook Pinterest ac service tech apprentice are ductless units worth it flaring copper pipe furnace not heating heat pump how to flare ac lines how to install a hvac unit how to replace thermostat hvac hvac best practices hvac installation hvac school hvac tech school hvac training videos hvacr hvacr videos navac nest quality hvac torque wrench whats the best hvac unit