Air Condtions Ducts In Attic Wet

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.

Air condtions ducts in attic wet. Ductwork located in an attic must be hung properly. Unblock any ducts that are restricting air flow and have them cleaned regularly. 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.

It s effective but not cheap. The air moving through those ducts in the attic doesn t have anywhere near the temperature difference that heating or air conditioning ducts have. 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. Yes you re right that it can be difficult to get ducts out of conditioned space in existing homes.

Mold loves to colonize and spread wherever it can find moisture and that includes the inside of your air ducts. So logically the ducts deserve more not less insulation. If ducts are located in a crawlspace underneath your house cover the soil to reduce moisture. 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.

Shawn an erv isn t the same as a heating or cooling system. If you live in a consistently humid climate a dehumidifier can help keep the air around your ductwork dry. Spraying foam insulation on the roof deck is the most popular method to do this. When air cannot circulate freely throughout your.

Mold in air ducts. 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 re in a humid climate burying ducts in the insulation could lead to condensation and ceiling damage. Poorly insulated or uninsulated ducts and humid air coming in contact with cool ductwork.

Mold and mildew in air vents and ducts can smell wet rotten or stale. Keep ducts spaced apart so air can flow between them. Sometimes when systems are installed in these areas problems with the condensate drain can cause water to overflow from the drip pan and into the air ducts or air vents. When water condenses and drips into your attic or home it can cause a some serious secondary problems.

There are essentially two reasons by ductwork sweats. 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. When the attic is 20 f that insulation is addressing a delta t of 50 f. If they are located in your attic be sure the area is properly insulated and any cracks or holes are sealed.