For hvac duct systems located in the attic sealing and insulating the attic with spray foam insulation is the only way to protect the system from the extreme temperatures we live with here in metro atlanta.
Ducts in attic or crawl space.
As don peek says in the comments below it may be more cost effective in existing homes to seal and insulate the ducts as well as you can.
Regardless of where you install your ducts the simple fact is that your dirt floor crawl space vented i expect is contributing gallons of moisture to your cooling load as well as providing a potential mold forest.
Sweating ducts in the crawl space for example can create a cupping problem in wood floors directly above.
After all it s hard to get cold air from a warm pipe.
Ben and his team arrived on time removed the old insulation closed the opener and install new insulation.
Bowing can occur during the heating season.
They finish the job around 3pm.
Large gaps between duct sections provide an exit point for the heated and cooled air before it has a chance to reach the vents in your rooms.
If the ducts are in an unconditioned attic you can put spray foam insulation on the roof deck.
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 you don t see them unless you have cause to replace them.
You can use flexible duct material in a crawl space if it has a vapor barrier.
Would you like to learn more.
They are the sheet metal or fiberglass conduits you find in your basement and attic.
This prevents water leaks and may offer some protection against rodents.
Mold and mildew need 80 percent rh or higher on a surface where they grow.
If the ducts are in an unconditioned crawl space you can encapsulate.
What is the crawl space a crawl space is usually found under your house.
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Ductwork is the system of ducts and pipes that circulate heated or cooled air throughout your house.
Tal came to our house to inspection and gave us a good estimate after explained everything in detail.
Ducts in your attic and crawl space can become disconnected due to rodent infestations flooding or just ordinary house settling.