How Much Does Attic Insulation Cost?

Short answer: most homeowners pay $3.59–$7.40 per square foot, with an average around $5.50 (homewyse.com). The final price comes down to job size, location, and local labor rates.

Typical cost — per square foot

$3.59 $7.40

Typical average: $5.50

Cost per square foot. Reference range reorganized from homewyse.com; not a quote.

What you're actually paying for

Cost componentTypical rangeShare
Attic Insulation Cost$0.06–$0.213%
Attic Insulation Labor, Basic$1.28–$2.4834%
Attic Insulation Job Supplies$0–$00%
Attic Insulation Equipment Allowance$1.07–$2.5635%
Option: Remove Insulation$0.02–$0.030%
Attic Insulation Debris Disposal$1.17–$2.1229%

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Want more detail? Read the fullattic insulation cost guide.

Frequently asked questions

How much does attic insulation cost?

Nationally, attic insulation typically costs $3.59–$7.40 per square foot, based on homewyse.com data.

What's included in attic insulation cost?

A typical job breaks down into attic insulation cost, attic insulation labor, basic, attic insulation job supplies, attic insulation equipment allowance, option: remove insulation, attic insulation debris disposal. The exact mix and totals vary by market.

Does attic insulation cost vary by city?

Yes. It runs highest in New York, NY ($4.34–$8.85) and lowest in Austin, TX ($3.36–$6.92), driven by local labor and disposal rates.