tein - All rights reserved" EFTA_R1_00008054 EFTA01733669 Address: Otis Elevator Company, 521 5th Ave., NY, NY 10175 Main number: 212-557-5700. Bathroom & Kitchen Exhaust Fans Quarterly Schedule I. Check EF-5: 3rd Floor Bathroom. 2. Check EF-8: 1" & 2s Floor Bathroom. 3. Check EF-7: 5th Floor Bathroom. 4. Check EF-10: