Blown-In Insulation Cost Guide 2026

Price source: Costs shown are derived from our proprietary U.S. construction cost database (updated continuously from contractor/bid/pricing inputs and normalization rules).

Eva Steinmetzer-Shaw

Head of Marketing

Blown-In Insulation Costs for Construction Professionals

Understanding the costs associated with blown-in insulation is essential for construction professionals when estimating projects accurately. Costs typically range from $1.00–$2.80 per square foot installed, depending on location, material choice, and other variables.

Latest Blown-In Insulation Costs (2026)

Materials: $0.30–$1.10 per sq. ft.
Labor: $0.70–$1.70 per sq. ft.
Equipment: 10-15% of total cost

Factors Influencing Costs

Several key factors influence blown-in insulation costs:

Existing insulation depth and target R-value
Accessibility challenges such as tight crawl spaces
Material choice: fiberglass, cellulose, or mineral fiber
Project scale and roof pitch complexity
Local crew labor costs and seasonal demand

Industry Search Intent

Construction professionals often search for 'blown-in insulation cost' to achieve:

Budgeting and cost forecasting for projects
Assessing bids for competitiveness
Projecting energy efficiency returns for clients

Utilize our cost calculator to refine estimates.

Cost Breakdown and ROI

In a typical project, materials account for 40-50%, while labor covers 35-45% of the total cost. Implementing effective insulation can reduce energy bills by 15-20%, with potential savings of $250–$400 annually for a 2,000 sq. ft. space. Consider available local rebates and tariffs to further enhance ROI.

Maximize Your Insulation Investment

Plan installations during off-peak seasons to secure better labor rates
Combine insulation projects to leverage rebates
Utilize depth markers and blower tests for precision
Maintain thorough records for tax credit eligibility

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CountBricks blown in insulation cost guide for homes

Case Study: Energy Efficiency in Briargate

An insulation project in Briargate highlighted significant efficiencies, with a contractor using CountBricks to generate a detailed estimate for upgrading 950 sq. ft. from R-15 to R-49, incorporating eco-friendly disposal, all completed in under four minutes.