Without the year, make and model its very hard to narrow down what you are asking..
what is the best quiet air sleeve conditioner
Because it needs refilling
it run out of frion.
Most likely needs a refrigerant recharge and leak detection
If you mean "cabin air filter," there is not one on the 1997 Ford Expedition. I have a '97 Expedition Eddie Baur and have looked and researched thoroughly.
form_title=Charge Your Air Conditoner form_header=In the summer heat and humidity, the air conditioner is very important. Keep it functioning at top shape. When was the last time the unit was charged?=_ How long does the unit take to blow cold air?=_ Do the AC fans work correctly?= () Yes () No
On average 12 to 16 lbs
2 1/2 ton
All cars have radios and vents for the air conditoner
Yes their are some companies that make portable air conditoner heater combo. You can roll them from room to room.
The maintence for a air conditoner is fairly easy, just a few simple steps to keep it running efficiently.
Passenger side, near firewall, inside vehicle.