My Attic Is Sweating

Installing more fans and vents can prove a very effective solution.

My attic is sweating.

If there is excessive moisture accumulation in your attic it will condense on cold areas mainly on the underside of your roof deck. The homeowners took me into the master suite where the first thing to catch my eye was the towel folded neatly on the floor. It does not necessarily mean that your a c system is in trouble but it may still be something that requires your attention. It was there to catch the water dripping from the air conditioner supply vent in the ceiling directly above.

What you see is condensation also known as ductwork sweating. Running a dehumidifier will help to eliminate some of the condensation in an attic but it s not a viable long term solution by any means. The best way to fix a wet attic is to stop air flow stop the air leakage of the warm air from your home into the attic. As the humidity level rises outdoors condensation will gradually begin to form on the surface of your air conditioning ducts.

Back in the summer of 2005 i got a call to figure out a moisture problem in a new house. Sunlight heats the roof which raises the temperature of stagnant air in the attic. During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent. This heat also affects the building materials used to construct the ceiling.

Depending on the moisture levels of your attic you could find yourself emptying it several times a day. Sweating plumbing in these areas usually means that there isn t enough airflow to move humidity and hot air out. Your attic is suppose to be cold in the winter and hot in the summer. Sweating on the a c system could be from a combination of the items listed below.

Ventilation is a great solution for attics bathrooms and often basements as well. Solutions for attic condensation. Humid air and air flow. It hadn t just fallen out of the laundry basket.

What causes duct condensation. This is a common occurrence in florida garages. Whenever there is a contact between the hot humid air and cold metal surface then there will be sweating or condensation on the metal surface so it is very important to have a proper insulation for the air handler ducts in case the portion of the duct is coming in contact with the unconditioned air outside. Also it could be due to the unit s age.

An attic fan pulls hot air out of. Throughout the winter while your heat is on in the house your warm air is trying to push itself up to the top floor ceiling and into the attic.