Compare
Compare Insulation costs in Belleville, IL (2026)
Not sure which option fits? Here's how every Insulation project compares in Belleville — local 2026 estimates plus what each choice is best for. The most budget-friendly option here is Spray Foam Insulation (from $1,550).
Spray Foam InsulationBest value$1,550 – $6,150
Best for: Top R-value plus air sealing in oneTypically $3,850
Attic Insulation$1,550 – $6,250
Best for: Highest-ROI energy upgrade for most homesTypically $3,900
Often paired with Insulation in Belleville
Homeowners tackling Insulation frequently budget for these too.
Estimates are localized to Belleville (cold climate) using local labor price levels, climate factors. Always confirm with local contractors.