Construction Performance Guidelines
THERE ARE GAPS BETWEEN HEAT DIFFUSERS, COLD AIR RETURN GRILLES AND VENTILATION GRILLES AND THE ADJACENT SURFACE
Heat diffusers, cold air return grilles and ventilation intake grilles shall be installed securely and be generally flush with the adjacent surface. Minor gaps between the diffuser or grille and the adjacent surface are acceptable.
One-Year - Work and Materials. · Damage resulting from improper maintenance, or from additions, deletions or alterations made by the homeowner is excluded from the statutory warranty.
Heat diffusers, cold air return grilles and ventilation grilles not meeting the acceptable condition shall be repaired.