What does attic insulation cost in Kansas City?

Updated October 2026 · 6 public sources cited

In Kansas City the rebate you can use depends on which side of State Line Road you're on and who your utilities are. Here's the math with each.¹²

National average

$1,000–$2,700

HomeGuide's national average range to insulate an attic; national average $1,800.³

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Evergy Kansas rebate on common attic sizes

Attic size	Ceiling insulation ($0.15, max $500)	Air sealing ($0.04, max $300)
1,000 sq ft	$150	$40
1,500 sq ft	$225	$60
2,000 sq ft	$300	$80

Our arithmetic on Evergy's 2026 Kansas rates.¹ An audit credit of up to $250 is listed separately.¹

Spire (Missouri gas customers)

At the $0.40 per sq ft rate in Spire's Missouri tariff (up to $750): $400 on 1,000 sq ft, $600 on 1,500 sq ft (our arithmetic). Confirm current terms with Spire.²

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National prices to R-38 and beyond

Blown-in to	Cost per 1,000 sq ft (national)
R-30	$660–$1,200
R-38	$840–$1,500
R-49	$1,100–$1,900

Source: HomeGuide.⁴ ENERGY STAR recommends going further (R-49 to R-60) in zones 4A/4B through 8.⁵

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.⁶ Don't let anyone blow new insulation over it or pull it out without a licensed asbestos professional. What to do about vermiculite. For local asbestos rules and pros, see our sister guide to asbestos removal in Kansas City.

Other line items

Removal of old insulation: $1 to $2 per sq ft.³
Air sealing: $350 to $3,000.³
Pest inspection before insulating: $40 to $150.³

Get a free estimate from one local contractor

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First name

ZIP code

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What do you need?

What's in the attic now?

Sample preview: this form is switched off, so nothing was sent.

Common questions

How much does attic insulation cost in Kansas City?

No local survey exists. HomeGuide's national average range is $1,000 to $2,700; blown-in to R-38 runs $840 to $1,500 per 1,000 square feet nationally.

How much will Evergy pay on a 1,500 sq ft attic in Kansas?

$225 for ceiling insulation to R-38 plus $60 for air sealing at the 2026 Kansas rates, by our math.

Is R-38 enough?

It's what the Evergy Kansas and Spire rebates require. ENERGY STAR recommends R-49 to R-60 for attics in zones 4A/4B through 8.

Does Evergy pay for an energy audit in Kansas?

Evergy's 2026 Kansas chart lists an audit credit of $250. Ask an Evergy-authorized contractor how the audit fits into the rebate process.

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.