What does attic insulation cost in Austin?

Updated October 2026 · 4 public sources cited

Austin Energy's formula pays more the thinner your attic starts, so the same job nets out very differently house to house.¹

Austin Energy formula

$0.03 × sq ft × R added

Plus a $45 setup fee, for attic insulation to R-38.¹

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Blown-in cost by R-value

R-value	Min. thickness	National cost per 1,000 sq ft
R-38	13.0 in	$840–$1,500
R-49	16.5 in	$1,100–$1,900
R-60	20.0 in	$1,400–$2,400

Source: HomeGuide (national, blown-in).²

Austin Energy rebate examples

1,000 sq ft attic, ending at R-38	R-value added	Rebate (our arithmetic)
Starts at R-11	27	$855
Starts at R-19	19	$615
Starts at R-30	8	$285

Each is 1,000 × $0.03 × R added + $45.¹ Add the mandatory air and duct sealing rebate of $0.20 per sq ft of floor area: $360 on an 1,800 sq ft home (our arithmetic).¹

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Other line items

Air sealing: $350 to $3,000 nationally.³
Removing old insulation: $1 to $2 per sq ft.³
Soffit baffles: $2 to $3 each.³
Minimum job charges of $1,500 to $2,000 at some companies.²

Pebbly, gray-brown or silver-gold insulation? That may be vermiculite. The EPA says to assume it contains asbestos and not to disturb it, and not to remove it yourself.⁴ Don't let anyone blow new insulation over it or pull it out without a licensed asbestos professional. What to do about vermiculite.

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First name

ZIP code

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What do you need?

What's in the attic now?

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Common questions

How much does attic insulation cost in Austin?

No local survey exists. HomeGuide's national blown-in price to R-38 is $840 to $1,500 per 1,000 square feet.

How much is the Austin Energy rebate on a 1,000 sq ft attic?

Going from R-19 to R-38 adds 19 R, so 1,000 × $0.03 × 19 + $45 = $615 (our arithmetic).

Is there a rebate for air sealing?

Yes. Air infiltration and duct sealing pay $0.20 per square foot of floor area and are mandatory in the program.

Is there still a federal tax credit for insulation?

No. The IRS says the Energy Efficient Home Improvement Credit covers improvements made through December 31, 2025.

General information summarized from the public sources listed below. It isn't professional, engineering or legal advice. Codes and programs change; confirm current requirements with your local building department or utility before you start.