Attic Hvac Ductwork

Why is condensation on ductwork a problem.

Attic hvac ductwork.

Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. If you have central heating and or air conditioning in your home the warm or cool air is delivered to each room through a system of connected ducts and vents. An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan. The next most typical type of duct systems is made of flexible duct.

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. Most of the commentary is about cooling but what about heating. Retrofitting my house would be expensive and disruptive. Sometimes air conditioned air will seep right through your ducts and become useless instead of heating and cooling your home.

I called out the original hvac company and they took a look and said they saw no water. The attic ductwork is flex duct work. So water is condensing on your ac ducts. Here s why that is a good thing.

Why is this a problem. Here are the itemized costs for the most common types of ductwork and supplies needed to complete installation. The really bad news is that with old metal duct systems the only option is replacement of the ducts to stop the rain in the attic. Well mainly it s a way to save space.

The air ducts for a central hvac systems are typically located above a home in the attic or upper crawl space or underneath a home in the space between the foundation and the floor so. Choosing the right ductwork for installing in your attic as with. 1 10 5 25 per foot insulated flexible duct 4 to 16 diameters used as branches or in radial duct attic systems 2 30 13 00 per foot round and oval sheet metal duct 3 to 8 diameters typically used for trunks in small homes and. So why put an hvac system up in the attic at all.

Attic hvac systems also require shorter ducts. Flexible duct is a plastic tube that is reinforced with wire and then insulated on the outside. When hvac ducts are installed in a vented attic in a dry climate bury the ducts in attic insulation to protect them from temperature extremes in the unconditioned attic space. Again i d suggest calling an experienced hvac pro to guarantee your ducts are installed in your attic with proper support.

Improperly supported flex ducts will sag which cuts down on airflow meaning cool air generated by an ac unit will struggle to reach your in law suite. All ducts are at risk for this type of leakage. Duct leakage causes a lot of problems including less. Cost of installation supplies.

When water condenses and drips into your attic or home it can cause a some serious secondary problems. Flex ducts themselves do not sweat however if the. Use metal flex or fiber board ducts that are insulated to. When i look in my attic i wonder if a lot of the ductwork couldn.

There will be less duct leakage. It was new when the ac was put in 7 years ago. Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords. Recently i had another hvac company come out and put in a new bathroom vent and they told me they believed the duct work was full of water.