PERFORMANCE GUIDELINES: 7. ELECTRICAL

7.7 Exhaust Duct Terminates in Attic or Crawl Space

Acceptable Performance/Condition

Exhaust fans/ducts shall be vented to the exterior in accordance with the Building Code and manufacturers’ requirements.

Exhaust fans/ducts should not be vented into heated or unheated enclosed spaces, such as basements, attics and soffits, or attached garages.

Moisture build-up in these areas can cause damage.

Warranty Coverage

  • 2 years

Damage resulting from maintenance not conducted by the owner in keeping with maintenance documentation provided to the owner by the warranty provider or builder, or from additions, deletions or alterations made by the owner is not covered under warranty.

Claim Response

Exhaust fans/ducts not meeting the Acceptable Performance/Condition must be rectified.

Maintenance Tip

Check exterior exhaust vent screen at least twice a year for blockage.