Mold and mildew need 80 percent rh or higher on a surface where they grow.
Ducts in attic or crawl space.
You can use flexible duct material in a crawl space if it has a vapor barrier.
Comparing this configuration to a solar water heater they make the case that putting air conditioning ducts in a hot attic is an effective way to heat up the conditioned air as it travels from the air handler to the conditioned space inside the home.
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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.
Ducts in your attic and crawl space can become disconnected due to rodent infestations flooding or just ordinary house settling.
They are the sheet metal or fiberglass conduits you find in your basement and attic.
They finish the job around 3pm.
Moreover fungi like to eat biological things such as wood he said.
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.
Tal came to our house to inspection and gave us a good estimate after explained everything in detail.
208 reviews of attic crew we moved to a new house two months ago we had rodent problem in our attic and crawl space.
After all it s hard to get cold air from a warm pipe.
This prevents water leaks and may offer some protection against rodents.
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.
Sweating ducts in the crawl space for example can create a cupping problem in wood floors directly above.
Bowing can occur during the heating season.
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.
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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.
Ben and his team arrived on time removed the old insulation closed the opener and install new insulation.
If the ducts are in an unconditioned attic you can put spray foam insulation on the roof deck.