What is above your ceiling. Chances are it is a leaking pipe (probably a waste pipe-ick) or condensation from around your air ducts. Is this a house? Leaking on 1st level or a basement? Is it a "drop" ceiling?
It is possible steam from the shower or bath is condensing on the ceiling and causing discoloration.
A leaky pipeline creates water above the ceiling. This water will get absorbed by the ceiling materials, making the roof, damp and moldy. The leaks weaken the ceiling walls and can create cracks in the walls and also, the water can spread to the other walls, if the leaks are not fixed in time. The water can also create ugly stains on the walls. Hence, it is important that leaks are fixed fast before they cause huge damage to the house.
CFC leaks into the ozone. This leak causes UV to enter.
a hole in the radiator
condensation corrosion
State Farm is very likely to cover water damage, and the repair of a leak to stop water damage that has already occurred in your home. They may or may not cover slab leaks that have not caused damage to your home or belongings. They will almost certainly cover the cost of a pipe that leaks upstairs and causes massive amounts of damage through the ceiling and downstairs. Only a claims adjuster can tell you for certain whether any given circumstances will be covered.
if, at a current price there is a shortage of a good
A price floor can cause a surplus while a price ceiling can cause a shortage but not always.
lack of coolant, check for leaks.
What makes you think it only leaks while parked. -
The rear A/C unit has a drain tube. Sounds like it is clogged.
You might be thinking of condensation, the transition of a gas into a liquid.