Attic Insulation Installation Costs

Addition of blown-in cellulose or fiberglass insulation in the attic floor to reach recommended R-value and reduce HVAC load.

Verified by 3 sourcesUpdated March 21, 2026

Cost Comparison by Location

50 locations with verified cost data

Cost Comparison — Attic Insulation Installation

Alabama3 sources

Low

$900

Typical

$3,700

High

$9,500

Alaska3 sources

Low

$900

Typical

$3,743

High

$9,500

Arizona3 sources

Low

$900

Typical

$3,709

High

$9,500

Arkansas3 sources

Low

$900

Typical

$3,698

High

$9,500

California3 sources

Low

$900

Typical

$3,720

High

$9,500

Colorado3 sources

Low

$900

Typical

$3,718

High

$9,500

Connecticut3 sources

Low

$900

Typical

$3,731

High

$9,500

Delaware3 sources

Low

$900

Typical

$3,713

High

$9,500

Florida3 sources

Low

$900

Typical

$3,702

High

$9,500

Georgia3 sources

Low

$900

Typical

$3,707

High

$9,500

Hawaii3 sources

Low

$900

Typical

$3,718

High

$9,500

Idaho3 sources

Low

$900

Typical

$3,705

High

$9,500

Illinois3 sources

Low

$900

Typical

$3,728

High

$9,500

Indiana3 sources

Low

$900

Typical

$3,714

High

$9,500

Iowa3 sources

Low

$900

Typical

$3,713

High

$9,500

Kansas3 sources

Low

$900

Typical

$3,710

High

$9,500

Kentucky3 sources

Low

$900

Typical

$3,712

High

$9,500

Louisiana3 sources

Low

$900

Typical

$3,706

High

$9,500

Maine3 sources

Low

$900

Typical

$3,716

High

$9,500

Maryland3 sources

Low

$900

Typical

$3,720

High

$9,500

Massachusetts3 sources

Low

$900

Typical

$3,734

High

$9,500

Michigan3 sources

Low

$900

Typical

$3,714

High

$9,500

Minnesota3 sources

Low

$900

Typical

$3,730

High

$9,500

Mississippi3 sources

Low

$900

Typical

$3,698

High

$9,500

Missouri3 sources

Low

$900

Typical

$3,714

High

$9,500

Montana3 sources

Low

$900

Typical

$3,712

High

$9,500

Nebraska3 sources

Low

$900

Typical

$3,713

High

$9,500

Nevada3 sources

Low

$900

Typical

$3,713

High

$9,500

New Hampshire3 sources

Low

$900

Typical

$3,719

High

$9,500

New Jersey3 sources

Low

$900

Typical

$3,726

High

$9,500

New Mexico3 sources

Low

$900

Typical

$3,707

High

$9,500

New York3 sources

Low

$900

Typical

$3,722

High

$9,500

North Carolina3 sources

Low

$900

Typical

$3,704

High

$9,500

North Dakota3 sources

Low

$900

Typical

$3,722

High

$9,500

Ohio3 sources

Low

$900

Typical

$3,714

High

$9,500

Oklahoma3 sources

Low

$900

Typical

$3,702

High

$9,500

Oregon3 sources

Low

$900

Typical

$3,717

High

$9,500

Pennsylvania3 sources

Low

$900

Typical

$3,715

High

$9,500

Rhode Island3 sources

Low

$900

Typical

$3,718

High

$9,500

South Carolina3 sources

Low

$900

Typical

$3,708

High

$9,500

South Dakota3 sources

Low

$900

Typical

$3,713

High

$9,500

Tennessee3 sources

Low

$900

Typical

$3,703

High

$9,500

Texas3 sources

Low

$900

Typical

$3,706

High

$9,500

Utah3 sources

Low

$900

Typical

$3,709

High

$9,500

Vermont3 sources

Low

$900

Typical

$3,714

High

$9,500

Virginia3 sources

Low

$900

Typical

$3,714

High

$9,500

Washington3 sources

Low

$900

Typical

$3,723

High

$9,500

West Virginia3 sources

Low

$900

Typical

$3,696

High

$9,500

Wisconsin3 sources

Low

$900

Typical

$3,716

High

$9,500

Wyoming3 sources

Low

$900

Typical

$3,702

High

$9,500

What Drives the Cost

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About Attic Insulation Installation Costs

Attic insulation installation costs in Alabama vary significantly based on project scope, attic size, insulation type, and local market conditions. The wide range reflects differences between basic partial insulation projects and comprehensive whole-attic installations with premium materials. Alabama's moderate climate and competitive regional labor market influence pricing, with costs affected by local contractor availability, material sourcing, and specific building code requirements.

Questions to Ask Your Contractor

  • 1What is the total square footage of attic space to be insulated?
  • 2What R-value does your quote recommend, and why?
  • 3Does the quote include removal and disposal of existing insulation?
  • 4What insulation material is being proposed, and what are its benefits?
  • 5Are permits and inspections included in the quoted price?
  • 6What is your company's warranty on materials and labor?
  • 7How long will the installation take?
  • 8Are there any additional costs for air sealing or ventilation work?
  • 9Is the quote based on current material prices, and how long is it valid?
  • 10Do you have references from recent Alabama attic insulation projects?