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Step 5: Ensure Thermal Comfort

The following categories provide information about adding insulation in attics, walls, floors, and foundation to 2009 IECC or greater levels. Consult Step 1, Step 2, Step 3 and Step 4 before completing items here.

Click on the links below for detailed information about each topic in this step:

Insulate Existing Attic or Roof icon

Insulate Existing Attic or Roof

Insulate Existing Exterior Walls icon

Insulate Existing Exterior Walls

Insulate Existing Foundations icon

Insulate Existing Foundations

Insulate Existing Floors over Unconditioned Space icon

Insulate Existing Floors over Unconditioned Space

Upgrade Windows icon

Upgrade Windows

Place HVAC Equipment and Ducts in Conditioned Space icon

Place HVAC Equipment and Ducts in Conditioned Space

Dehumidification in Hot-Humid Climates icon

Dehumidification in Hot-Humid Climates