A disconnected bathroom fan or dryer tube pumps warm moist air into the attic that instantly condenses on cold attic surfaces.
Freon line condensation in attic on sheetrock.
Condensation forms on the inside of exhaust fan tubes and runs back down to the fan and makes a stain on the surrounding drywall.
That insulation may have started to fail.
Taping the lines together first makes the installation easier.
The suction line is the bigger of the two pipes that run to your condensing unit.
Having two techs installing the lines helps keep the lines from getting kinked.
Resulting water can pool on the attic drywall and make a stain.
Missing or damaged refrigerant line insulation insulation on the refrigerant lines particularly on the larger suction line will cause condensation and drips from the lines in humid areas.
It should never sweat.
I reccomend you turn off the system for a little while so the coolant line can warm up.
If so replacing it is an easy enough job.
When the cool air from your living space rises due to humidity in your home often from cooking bathing or drying clothes it comes in contact with the warm surface of the ceiling and.
Insulation is wrapped around the coolant line to prevent condensation from forming and causing damage.
Otherwise you get the problem described above in number one.
Even the part of the suction line that runs in the chase should be insulated with rubatex and have a good vapor barrier quality of insulation on it.
How to fix ceiling condensation.
The inside of your ductwork especially older poorly insulated or non insulated ductwork can also gather condensation.
Condensation on your ceiling occurs when the attic space above is poorly ventilated and insulated.
Then with one tech in the attic to pull the lines and one outside pushing the lines the refrigerant lines are pushed through the opening until the top of the downspout enters the hole in the soffit.
Condensation on your ceiling can cause water damage and promote the growth of mold or mildew.
Improper ventilation and insulation of home attic space can produce.
If you see condensation on a toilet that s not immediate connected with a steamy shower it means that there is too much water vapor in the bathroom.