Multiply the height of the duct in inches by the width of the duct in inches. In a square duct these two numbers will be the same. In a rectangular duct, they will be different. Write the number down. Multiply the air flow in cubic feet per minute by 144.
Pay by phone: To make your Chase Home Finance payment by phone, call: 1-800-848-9136. Pay by mail: To make your Chase Home Finance payment by mail, send a check or money order with your account number written on it to the following address: Chase Home Finance LLC. P.O.
Credit Card Customers (Personal), Contact Us 24/7: 1-800-432-3117 24 hours / 7 days a week. Credit Card Customers â Deaf & Hard of Hearing, TTY: 1-800-432-3117 24 hours / 7 days a week. source: www.chase.com/online/services/phone-numbers.htm.