Prime Targets for Insulation During Whole-House Improvements

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Cross-section of a house illustrating eleven locations that need to be insulated.
  1. Ceiling between house and attic
  2. Attic hatch
  3. Wall between house and attic
  4. Attic access door
  5. Exterior wall
  6. Floor above vented crawlspace or unheated garage
  7. Foundation wall of unvented crawlspace
  8. Sloped or cathedral ceiling
  9. Portion of floor cantilevered beyond wall below
  10. Foundation wall in conditioned basement
  11. Floor of conditioned basement

Excerpted with permission from No-Regrets Remodeling by Home Energy (1997)