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.
Ductwork for attic hvac.
Choosing the right ductwork for installing in your attic hard ductwork.
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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.
The insulation you use to wrap your ducts should leave no gaps and be at least two inches thick to work effectively at reducing or eliminating condensation on ductwork.
It was new when the ac was put in 7 years ago.
With hundreds of square feet of ductwork surface area in the attic and a δt of 75 f the air coming out of the vents in your home will be significantly higher than 55 f.
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.
This additional insulation provides greater thermal efficiency to save energy.
The duct has r6 insulation which contains 33 more insulation than the standard r4 2 product.
This type of duct means a smoother interior with better air flow insulation applied on the outside to.
Also make sure to use hvac tape and seal all of the joints between duct segments.
Throw duct leakage into the mix and the problems are even worse.
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.
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No air should be able to penetrate the ductwork and the joints are a natural weak point.
Install ductwork so that it is in direct contact with i e laying on the ceiling and or truss lower cords.
The most typical duct replacement cost range of 175 400 per duct includes removal of old duct and supply register installation of the new flexible or metal duct labor costs and disposal of.
The duct insulation should include a vapor barrier cover.
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These ducts are more cost effective good for tricky installations in tight places where rigid ducts.
The attic ductwork is flex duct work.
The duct has r6 insulation which contains 33 more insulation than the standard r4 2 product.
Insulated flexible duct r6 silver jacket is used in standard heating and air conditioning hvac systems and some venting applications.
Use metal flex or fiber board ducts that are insulated to code.
When solid ducts in walls and ceilings must be replaced the cost can rise to 550 per run or higher.
I called out the original hvac company and they took a look and said they saw no water.
