West Coast Ac Duct In Attic Insulation

Loose fill or batt the common term for blanket insulation.

West coast ac duct in attic insulation.

If it s uninsulated you should insulated it to at least r 4 to r 8 for dfw. So they set up this model home with a buried duct system and installed a lot of sensors. The rigid insulation was saturated from condensation. Yes when you bury ducts in attic insulation in a humid climate you increase the risk of water vapor condensation on the jacket of the duct insulation.

The estimator omar came out and was knowledgeable and friendly. They found r 8 duct insulation was sufficient to prevent. The effective r value of a buried duct installation depends on the size of the ducts the r value of the duct insulation and the depth of the loose fill insulation. We hired west coast to insulate our attic for us.

It should significantly reduce the heat transfer from the ductwork to the. Table 1 shows effective r values for 8 inch round ducts at three attic insulation levels and three duct insulation levels r 4 2 r 6 and r 8. If your rigid metal ductwork has any insulation it may already have enough. Batt insulation consists of long rolls of insulation fibers which are held together with a paper or reflective foil backing.

Consider adding more insulation as ductwork is farther from the furnace. The cost and effort to add more insulation is minimal. Batt blanket or rolled insulation. What is the minimum level of duct insulation to prevent condensation at the outer jacket of buried ducts in hot humid and mixed humid climates.

I found instead a vintage 3 ton ac unit with 1 rigid insulation taped all over it and insulated flex duct snaking all over the poorly insulated attic. For diy attic insulation you ve got two choices. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. If you want to cover metal ductwork.

But in my last article i also showed you some preliminary results from a research study on buried ducts in a hot humid climate. The old blown in insulation had compressed and no longer did the job. The ducts had the standard r 8 insulation you find on attic ducts but then were buried in r 30 ceiling insulation. She asked me to go into the attic to find the roof leaks or where the snow is blowing in through the soffits.

The insulation fibers may be comprised of fiberglass cellulose mineral wool or even recycled blue jeans.