2026 cost data
Insulation Cost in Minnesota (2026)
Insulation in Minnesota costs above the national average — ranked 35 of 51 for installed price. Minnesota sits in climate zone 6, so attics should hit R-60.
Insulation prices per square foot
Installed prices — material plus labor — adjusted for Minnesota labor rates.
| Job type | Installed cost / sq ft | 1,500 sq ft attic |
|---|---|---|
| Attic blown-in fiberglass (R-49) | $1.98 | $2,969 |
| Attic blown-in cellulose (R-49) | $1.82 | $2,729 |
| Attic fiberglass batts (R-38) | $1.71 | $2,568 |
| Wall batts, open framing (R-15) | $1.87 | $2,809 |
| Wall dense-pack retrofit (drill & fill) | $2.78 | $4,173 |
| Crawlspace floor or wall insulation | $2.25 | $3,371 |
| Basement rigid foam + framing | $3.32 | $4,976 |
| Open-cell spray foam (3.5") | $2.09 | $3,130 |
| Closed-cell spray foam (2") | $3.85 | $5,778 |
| Old insulation removal & disposal | $1.66 | $2,488 |
What whole jobs cost
| Typical project | Local price range |
|---|---|
| Attic top-up (1,500 sq ft) | $1,605 – $2,782 |
| Full attic removal + re-insulate | $3,424 – $5,778 |
| Whole-house wall retrofit (2,000 sq ft home) | $4,494 – $8,346 |
| Crawlspace encapsulation + insulation | $4,066 – $9,630 |
| Garage conversion insulation | $963 – $2,354 |
| Whole-home spray foam (new build) | $8,025 – $17,120 |
Climate zone 6 R-value targets
Department of Energy retrofit recommendations for this zone.
- Attic
- R-60
- Walls
- R-21
- Floors
- R-30
Price your own job
These tables are averages. Punch in your real measurements for a number you can compare against a bid.
Cities in Minnesota
Insulation cost FAQs for Minnesota
How much does attic insulation cost in Minnesota?
A 1,500 sq ft attic blown to R-49 runs about $2,524 to $3,563 installed in Minnesota, or roughly $1.98 per square foot. DIY with rented equipment cuts that by 45–60%.
Is insulation cheaper to DIY in Minnesota?
Yes. Labor is most of an insulation bid, so blowing your own attic or installing batts typically saves 45–60% of the installed price. Spray foam, dense-pack wall retrofits and removal jobs are worth hiring out.
What drives insulation prices in Minnesota?
Local labor rates, how far crews travel, attic access, whether old insulation has to be removed first, and the R-value your climate zone calls for. Material prices barely change between states — labor is the swing factor.
Are there rebates in Minnesota?
The federal 25C tax credit covers 30% of insulation and air-sealing material costs up to $1,200 per year, and most utilities add their own attic and air-sealing rebates. Always check with your utility before booking work.
Materials for an insulation job in Minnesota
Blown In Cellulose Insulation

Owens Corning R-19 Unfaced Fiberglass Insulation 77.5 Sq.ft (15 in x 93 in) 1 Batt
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Attic Measuring Rulers (Case of 400), 20 Inch, Card Stock, Attic Insulation R-Value Ruler for Insulators Ceiling Insulation
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DGSL Double Reflective Bubble Foil Insulation Foam, 23.6 in X 10 FT Aluminum Foil Thermal Insulation Radiant Barrier for Window, Garage Door, RV, Roof
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Spray Foam Sealant Gaps And Cracks

Loctite Tite Foam Gaps & Cracks Spray Foam Sealant, 12 fl oz Can, 1 Pack - Polyurethane Expanding Insulation
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Red Devil 0913 Spray Foam & Fill Small Gaps & Cracks Expanding Insulation, Polyurethane Sealant, 12 oz, Off-White, Pack of 1
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Great Stuff Gaps and Cracks Insulating Foam Sealant,12 Ounce - Case of 12
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Attic Ventilation Baffles

36 Pcs Attic Insulation Baffles for 24" Rafter Bays, 2" Air Channel | Black Polyethylene Rafter Vents,Improve Roof Ventilation,Prevent Insulation Blockage,Hassle-Free Installation
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UDV2248 Durovent Foam Attic Rafter Vent (Pack of 70) by ADO Products
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30 Pack 24 Attic Insulation Baffle, Sturdy Polypropylene Attic Baffles for 24" On-Center Rafter Bays with 2" Air Channel, Improve Roof Ventilation and Prevent Insulation Blockage
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