Paul s heating air conditioning.
Best attic insulation for south virginia hvac in attic.
So when we have a choice we prefer hvac systems located under the house.
Loose fill or batt the common term for blanket insulation.
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.
Our heating and ac ducts are 100 within the thermal envelope in the floor trusses above our insulated basement.
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Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary.
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Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
Modern technology of blanket insulation today is considered the best insulation for attic.
For diy attic insulation you ve got two choices.
Buildings that suck ducts in attics crawlspaces etc 8.
Both can be added to uninsulated attics or layered over existing material.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc.
Best attic insulation for the south matt risinger.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
My definition of an unvented attic is an attic where there are no vents and where the attic insulation.
Smiley s heating cooling inc.
In the south we are mostly slab on grade concrete foundations or crawl space s with pier beam foundations.
But our erv ducts stand alone system not tied in w heat pump and 2 jumper ducts for pressure balancing from bedrooms are suspended above the insulation in our vented attic.
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After all it s hard to get cold air from a warm pipe.
The big disadvantage with spray foam is cost.
Rolls and batts are produced of mineral wool and fiberglass.
We are in zone 4a so heat humidity.
Vented attics and vented crawlspaces.