Air Condtions Ducts In Attic Wet

If ducts are located in a crawlspace underneath your house cover the soil to reduce moisture.

Air condtions ducts in attic wet.

When air cannot circulate freely throughout your. Mold and mildew in air vents and ducts can smell wet rotten or stale. If your ductwork isn t well insulated then it will be the temperature of the air passing through it so when your air conditioning is on cool air makes the metal ductwork cold. If you notice a musty or moldy smell that goes away when you are not using your air conditioning or heating if they share ducts that can narrow the cause down to mold in your hvac system.

If you live in a consistently humid climate a dehumidifier can help keep the air around your ductwork dry. Ductwork located in an attic must be hung properly. Shawn an erv isn t the same as a heating or cooling system. Mold loves to colonize and spread wherever it can find moisture and that includes the inside of your air ducts.

If they are located in your attic be sure the area is properly insulated and any cracks or holes are sealed. First the delta t across the exhaust duct doesn t matter because you re getting rid of that air. If you re in a humid climate burying ducts in the insulation could lead to condensation and ceiling damage. A clogged condensate drain line can occur for a few reasons but especially if your air conditioning system is installed in the attic or on an upper level in your home.

Poorly insulated or uninsulated ducts and humid air coming in contact with cool ductwork. First water dripping off of your ducts and onto your insulation can cause the insulation to compress which decreases it s r value or ability to insulate. So logically the ducts deserve more not less insulation. When water condenses and drips into your attic or home it can cause a some serious secondary problems.

In a properly functioning air conditioning system the air leaving the top of the unit is typically around 20 degrees colder than whatever the thermostat is set at. Yes you re right that it can be difficult to get ducts out of conditioned space in existing homes. So if the thermostat is sitting at 74 degrees the air being pushed into the duct system is going to be right around 54 degrees. Spraying foam insulation on the roof deck is the most popular method to do this.

Mold in air ducts. Unblock any ducts that are restricting air flow and have them cleaned regularly. Keep ducts spaced apart so air can flow between them. The air moving through those ducts in the attic doesn t have anywhere near the temperature difference that heating or air conditioning ducts have.

But the air in the ducts is facing a delta t of maybe 100 f or 120 f a greater delta t. After all most new homes have r 49 insulation on the attic floor holladay continues. There are essentially two reasons by ductwork sweats. It s effective but not cheap.