Cost guides
Insulation cost guides
Home insulation — attic insulation and spray foam, sized to your climate. Pick a project for local, city-specific 2026 estimates.
- Attic InsulationInsulating an attic to cut heating and cooling loss — blown-in, batt or spray foam.National range$1,500 – $6,000
- Spray Foam InsulationSpray foam insulation (open- or closed-cell) for high R-value and air sealing.National range$1,500 – $6,000