Insulation Calculator

Calculate insulation requirements and energy savings

Surface Type

Surface Area (m²)

Current R-Value

Target R-Value

Insulation Material

Heating Degree Hours (°C·h)

Energy Cost ($/kWh)

How to Use

Required Information

Surface Area:
Area to be insulated
R-Values:
Current and target thermal resistance

Recommended R-Values

Walls:
R-13 to R-23
Ceiling: R-30 to R-60
Climate Zones:
Higher R-values needed in colder climates