What is the most energy efficient attic insulation?

On average, roll insulation costs less than other types of insulation [source: U.S. Department of Energy]. Installing high R-value insulation in your attic will create a barrier to prevent the heat or cold from escaping, thus making your home more energy efficient.

How can I make my attic more energy efficient?

5 Ways to Make Your Attic More Energy Efficient

  1. Install energy-efficient ventilation to improve air circulation in your attic.
  2. Use energy-efficient attic fans to regulate your home climate.
  3. Install radiant barriers in your attic to improve heating and cooling efficiency.
  4. Seal cracks to minimize air leaks in your attic.

Will adding insulation to an attic helps reduce heating costs?

EPA estimates that homeowners can save an average of 15% on heating and cooling costs (or an average of 11% on total energy costs) by air sealing their homes and adding insulation in attics, floors over crawl spaces, and accessible basement rim joists.

What R-value do I need in attic?

The recommended level for most attics is to insulate to R-38 or about 10 to 14 inches, depending on insulation type.

How do I get heat out of my attic?

Install electric ventilators and attic fans, which remove hot air from an attic. They have thermostats that turn the fan on at a recommended preset temperature of 100-110 degrees. Alternatively, install passive vents such as gable, soffit and ridge vents, which are openings in the roof that allow hot air to escape.

How do I stop my attic from getting hot?

4 Ways to Reduce Attic Heat in Your Home

  1. Seal spaces around plumbing, recessed lights and vents. Your attic can get as hot as 150 degrees in the summer.
  2. Install adequate insulation. Start by examining the insulation that is already in your attic.
  3. Install gable vents.
  4. Get an attic fan, and have it serviced regularly.

What type of attic insulation is best?

Fiberglass, cotton, and mineral wool can all work as loose-fill material, but the far and away top choice for blown-in insulation is fiberglass. Contrary to batts, blown-in fiberglass insulation is perfect for filling in tight voids around wiring, pipes, or any area with awkward framing.

Should you remove old attic insulation before adding new?

Expert contractors that specialize in insulation advise that removing old fiberglass insulation is best before installing new cellulose insulation because of possible mildew, mold, or rodent excrement. So, by have attic insulation removal service, you are getting rid of those possible issues.

What R value do I need in attic?

Are attic turbines effective?

Since turbines are attached directly to attic spaces, they can siphon away that moist air effectively. They are incredibly effective at venting hot attic air, but there’s not always room for them.