Insulation & Energy Costs & Calculators
Attic, blown-in, spray foam, and crawl space insulation plus air sealing.
Calculators in this category
Cost guides & comparisons
Attic Insulation Cost: Materials, Labor & Budget Calculator
Understand what drives attic insulation cost — material type, R-value target, area, and air sealing — and estimate your own budget.
Read guide →GuideBlown-In Insulation Cost: Fiberglass vs. Cellulose Loose Fill
See what drives blown-in loose-fill cost — material choice, the depth needed for your R-target, area, and access — and whether a DIY blower rental makes sense.
Read guide →GuideSpray Foam Insulation Cost: Open-Cell vs. Closed-Cell
Understand why spray foam costs more than loose fill — chemistry, air sealing, and pro-only application — and how open-cell and closed-cell compare.
Read guide →ComparisonFiberglass vs. Cellulose Insulation: Head-to-Head Comparison
A head-to-head look at fiberglass vs. cellulose loose fill — R per inch, settling, moisture, fire/pest treatment, cost, and eco factors — with scenario-based guidance.
Read guide →GuideInsulation Cost Per Square Foot by Material
See relative insulation cost per square foot by material and understand why the figure swings with your R-target, depth, and access — then use it to build a budget.
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