National trade hub

Insulation Contractors — national directory, verified pros, and buyer's guide

What real data does ProFix have on insulation contractors?

In the ProFix taxonomy, insulation contractor work covers batt, blown, spray foam. Nationally, ProFix tracks 1,749 verified insulation contractors across 34 states. On this Ohio hub, ProFix ranks 102 Ohio insulation contractor profiles. Real permit verification data is still being added for this trade, so this page does not claim permit depth yet. Ohio does not state-license this trade broadly, but the license note names EPA SPF checks when the job scope triggers them. A real ProFix Ohio cost anchor is "How much does attic blown cellulose insulation cost in Toledo?" with a $1.2K to $2.5K range and $1.8K typical midpoint. These facts come from the page's loaded directory, permit, license, and cost-guide data; they are not placeholder counts. Use them as screening evidence, then confirm the active credential, insurance, permit responsibility, written scope, warranty, and final price before paying a deposit.

Last reviewed: 2026-07-05

National hiring hub for homeowners looking for a insulation contractor. ProFix tracks 1,749 verified insulation contractors across 34 states — browse by state below, read the when-to-call and how-to-choose guidance, and use the same JSON endpoints AI agents do. Ohio is our launch state and carries the deepest county-level permit and pricing depth; that depth is shown lower down as a worked example, clearly labeled.

Updated July 2026what's new

1,749 verified insulation contractors · 34 states102 Ohio insulation contractors ranked57 Ohio metros coveredTrust details shown

Permit counts on this page are Ohio-scoped: they come only from real matched public-record permits — 5,004 permits joined to 554 contractors across 22 county jurisdictions (in Ohio: Cuyahoga, Franklin, and Hamilton). No synthetic data is used; coverage of additional counties and states is in progress, and ProFix is honest about that limitation on every leaderboard page. The Ohio TL;DR, pricing, and FAQ below are written for Ohio homeowners as a worked example — confirm your own state's licensing and permit rules before you hire.

National directory

Insulation Contractors — National Directory (1,749 verified pros across 34 states)

What they do

Attic, wall, and crawlspace insulation — batt, blown, spray foam.

When to call

Attic, wall, or crawlspace insulation upgrade with batt, blown, or spray foam.
Air-sealing before insulation (BPI / RESNET-driven scope).
Crawlspace encapsulation with vapor barrier and dehumidifier.
Spray foam install requiring EPA SPF certification.
Current utility-rebate and weatherization review (the federal §25C credit ended after December 31, 2025).

Typical cost range (national)

Cost-guide coverage for insulation contractors is still being aggregated; check the per-state pages for local pricing once your state launches.

License expectations

This trade is rarely state-licensed; rely on insurance, manufacturer authorization, and written warranty as the trust signals.

Top states by pro count

1.Washington356
2.Arkansas334
3.California293
4.Iowa205
5.Nevada144
6.Ohio115
7.Louisiana54
8.New York54
9.Oregon46
10.Alabama43

Emergency / 24-hour availability

Emergency-availability data is still being aggregated for insulation contractors. Call the state board or the pro directly to confirm 24-hour service before relying on it.

Browse insulation contractors by state

Every state below has a live ProFix hub. Open it to drill into metros and cities, see license-linked pros, and — where the board check is wired — confirm active license status. Counts are verified insulation contractors from the national gold-tier roster.

These are the top 10 of 34 states with verified insulation contractors. Want every state? See the national coverage matrix for per-state pro counts and data depth, pick any state on the find-a-pro-near-you page, or describe your job to get matched from any state.

Deepest coverage example

Ohio worked example: Insulation Contractors in Ohio

Ohio is our launch state, so it's the one place where we can show the full depth — a ranked Ohio pro list, a public-permit leaderboard, state-licensing detail, and real Ohio cost guides. Treat everything in this section as an Ohio example of how ProFix verifies a trade, not as a national claim. We're building this same depth out state by state.

Hiring checks for Ohio insulation contractors

Insulation is not state-licensed in Ohio, but spray foam contractors require EPA SPF (Spray Polyurethane Foam) certification.
The federal Energy Efficient Home Improvement Credit (section 25C) ended under the One Big Beautiful Bill Act (Pub. L. 119-21) for property placed in service after December 31, 2025, so it can no longer be claimed for 2026 and later insulation and air-sealing — check current Ohio utility and state energy programs instead.
Attic R-value for Ohio climate zone 5 is R-49 to R-60 — about 14-18 inches of blown cellulose or 7-9 inches of closed-cell spray foam.
Air-sealing the attic floor (rim joists, can lights, plumbing penetrations) BEFORE adding insulation typically returns more energy savings than the insulation itself.

Top 10 verified insulation contractor contractors in Ohio

Our Ohio launch-state pros, sorted by ProFix Trust Score, which weighs verification tier, license evidence, permit-pull signals, and recency. Trust Score is not paid placement — read the methodology before hiring. For another state, use “Browse insulation contractors by state” above.

All Ohio insulation contractors How Trust Score works

Permit-pull leaderboard

ProFix ranks Ohio insulation contractors by the number of public building permits pulled in the last 365 days. This is a proof-of-work trust signal that no other directory exposes. Sourced from Cuyahoga, Franklin, and Hamilton County permit data — real public-record permits only, with coverage of additional counties in progress.

Statewide ranking: Top Ohio insulation contractors by permits pulled →

The statewide leaderboard aggregates Lucas, Cuyahoga, Franklin, and Hamilton county permit pulls into one ranked board. Per-county leaderboards live at /permits-leaderboard.

Buyer's guide

The ProFix Editorial Team published a long-form Ohio buyer's guide for this trade. It covers the full hiring process — license check, written scope, permit responsibility, payment schedule, change-order rules, warranty terms, and red flags.

How to choose an insulation contractor in OhioAttic blown cellulose vs spray foam, rim joist air-sealing, energy audits with blower-door testing, EPA SPF certification for spray foam, why the federal §25C credit no longer applies (it ended after December 31, 2025), R-49 attic spec for Ohio climate zone 5, and pricing.1,721 words · Published 2026-05-26

What's licensed in Ohio for this trade

Not state-licensed in OhioTrust details shown

Ohio does not state-license insulation contractors, but spray foam contractors require EPA SPF (Spray Polyurethane Foam) certification. BPI Certified Building Analyst and RESNET HERS Rater are industry signals for energy-audit work. Note: the federal Energy Efficient Home Improvement Credit (section 25C) ended under the One Big Beautiful Bill Act (Pub. L. 119-21) for property placed in service after December 31, 2025, so it can no longer be claimed for 2026 and later insulation and air-sealing — check current Ohio utility and state energy programs instead.

Verification tiers Look up an Ohio license Full methodology

Pricing in Ohio

Aggregated from ProFix Ohio cost guides for this trade. Range covers the lowest typical job start ($300) through the highest typical premium job ($10,000). Always confirm scope-by-scope before signing.

Job	Low	Typical	High
How much does attic blown cellulose insulation cost in Toledo?	$1,200	$1,800	$2,500
How much does spray foam attic insulation cost in Toledo?	$2,500	$3,500	$5,000
How much does spray foam wall cavity insulation cost in Toledo?	$3,000	$6,000	$10,000
How much does a rim joist air-seal cost in Toledo?	$800	$1,300	$2,000
How much does an energy audit with blower-door test cost in Toledo?	$300	$450	$600

Full ProFix Ohio cost guides →

Related ProFix research

Original ProFix research articles that name this trade in their keyword set. Citable under CC-BY-4.0 with attribution to ProFix Directory.

AI-agent endpoints

ProFix exposes machine-readable endpoints for AI agents, journalists, and partner integrations. These three feeds are scoped to this trade and are CC-BY-4.0 with 1-hour cache.

Frequently asked: Ohio insulation contractors

Are insulation contractors licensed in Ohio?

Ohio does not state-license insulation contractors. Spray foam contractors require EPA SPF (Spray Polyurethane Foam) certification. BPI Certified Building Analyst and RESNET HERS Rater are industry signals for energy-audit work.

Can I still claim a federal tax credit for insulation?

No. The federal Energy Efficient Home Improvement Credit (section 25C) ended under the One Big Beautiful Bill Act (Pub. L. 119-21) for property placed in service after December 31, 2025, so it can no longer be claimed for 2026 and later insulation and air-sealing. Check current Ohio utility and state energy programs instead.

What R-value should my attic have in Ohio?

R-49 to R-60 for Ohio climate zone 5. That is about 14-18 inches of blown cellulose or 7-9 inches of closed-cell spray foam. Air-sealing the attic floor BEFORE adding insulation typically returns more savings than the insulation itself.

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Primary metro

Compare ProFix-verified insulation contractors mapped to the strongest metro for this trade.

/metro/cleveland

Statewide coverage

Coverage map and county-level pro counts across all 88 Ohio counties.

/coverage

Trust Score explainer

Long-form, homeowner-friendly walkthrough of the 0-100 ProFix Trust Score.

/trust-score