How Much Does Blown-In Insulation Cost?
Blown-in insulation costs $1,000–$3,000 for an average attic (1,000 sq ft). Per square foot, expect $0.75–$2.00 for cellulose and $1.00–$2.50 for fiberglass. It is the most cost-effective way to insulate existing homes.
Cost Breakdown
| Service | Low | High | Notes |
|---|---|---|---|
| Cellulose (per sq ft) | $0.75 | $2.00 | — |
| Fiberglass (per sq ft) | $1.00 | $2.50 | — |
| Average attic (1,000 sq ft) | $1,000 | $3,000 | — |
| Wall cavity fill | $1,500 | $4,000 | — |
| Energy savings per year | $200 | $600 | — |
How Much Does Blown-In Insulation Cost?
Blown-in insulation costs $1,000–$3,000 for an average attic (1,000 sq ft). Per square foot, expect $0.75–$2.00 for cellulose and $1.00–$2.50 for fiberglass. It is the most cost-effective way to insulate existing homes.
Related Questions
How can I save money on insulation?
Get 3+ quotes, schedule during off-peak seasons, bundle projects, and ask about discounts for cash or military.
Should I get multiple insulation quotes?
Yes, always get 2-3 quotes to compare pricing, scope, and professionalism. The cheapest bid isn't always the best value.
What should I look for when hiring for insulation?
Check licensing, insurance, reviews, BBB rating, and ask for references. Get everything in writing before work begins.