Final answer:
The minimum amount of inside air in cubic feet per 1,000 Btu/h (293 W) required for each gas fuel-burning appliance is 10 cubic feet.
Step-by-step explanation:
The minimum amount of inside air in cubic feet per 1,000 Btu/h (293 W) required for each gas fuel-burning appliance can be determined by considering the oxygen requirement for combustion. When natural gas, which is primarily composed of methane, is burned, it requires about 10 cubic feet of air per cubic foot of natural gas.
Therefore, the minimum amount of inside air required for each gas fuel-burning appliance would be 10 cubic feet per 1,000 Btu/h.