How Much Does Wall Insulation Cost?
Wall insulation costs $1,500–$5,000 for an average home. Blown-in insulation ($1.00–$2.50/sq ft) is the most practical for existing walls without removing drywall. New construction uses batts ($0.50–$1.50/sq ft).
Cost Breakdown
| Service | Low | High | Notes |
|---|---|---|---|
| Blown-in (existing walls) | $1,500 | $4,000 | — |
| Batts (new construction) | $800 | $2,000 | — |
| Spray foam (per sq ft) | $2.00 | $4.50 | — |
| Injection foam | $2,000 | $5,000 | — |
| Removal of old insulation | $500 | $1,500 | If needed |
How Much Does Wall Insulation Cost?
Wall insulation costs $1,500–$5,000 for an average home. Blown-in insulation ($1.00–$2.50/sq ft) is the most practical for existing walls without removing drywall. New construction uses batts ($0.50–$1.50/sq ft).
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.