In the 70 s and 80 s in slab hvac ductwork was commonplace and took advantage of the relatively stable temperature of the slab at or near the ground.
Hvac attic duct.
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.
Duct leakage causes a lot of problems including less.
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.
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.
Flexible duct is a plastic tube that is reinforced with wire and then insulated on the outside.
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.
Why is condensation on ductwork a problem.
Use metal flex or fiber board ducts that are insulated to.
Ted has more than a few cobwebs in his attic.
Here s why that is a good thing.
There will be less duct leakage.
Flex ducts themselves do not sweat however if the.
Attic hvac systems also require shorter ducts.
Why is this a problem.
When water condenses and drips into your attic or home it can cause a some serious secondary problems.
Cost of installation supplies.
Choosing the right ductwork for installing in your attic as with.
The next most typical type of duct systems is made of flexible duct.
Sometimes air conditioned air will seep right through your ducts and become useless instead of heating and cooling your home.
So water is condensing on your ac ducts.
Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords.
The 1 800 square foot brick ranch in climate zone 4 dates from the 1960s but the previous owner installed both a furnace and ductwork in the attic just four years ago.
With newer foundation systems involving embedded rebar or tension cables making in slab hvac ductwork nearly impossible there s little other option but to move it to the attic.
Ted also has inherited a powered attic ventilator.
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.
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.
The unconditioned space also houses his hvac system.
Again i d suggest calling an experienced hvac pro to guarantee your ducts are installed in your attic with proper support.
