most likely that sounds like your problem>
Antifreeze will be leaking in the floorboard on the passenger side, there will be a smell of antifreeze through the vents.
your heater core is leaking
Antifreeze leaking from the heater core.
Passenger side floor? Could be leaking heater core
Leaking heater core.
oh no the hose became brittle and fluid is pouring out
Heater core leaking?
You are experiencing the classic symptom of a leaking heater core. They aren't cheap. Some stop-leak in the radiator might get you through the interim if you need to budget it.
The heater core or connecting hose is broken.
Broken line at the heater core possibly
Sounds like heater core is leaking and what you are seeing is antifreeze
your heater core is leaking i would replace it.