If you have appliances with draft control devices and appliances without draft control devices in an air tight structure or enclosure, what tables are used to size air supply openings to the outdoors?

• A. 8.1- using total input of only appliances having draft control or 8.2 - using total input of all appliances.
• B. 7.1 - using input of draft-controlled only
• C. 9.1 - using input of all energy sources
• D. 6.1 - using input of draft controls

Answer: (A)