Does a mechanical room with appliances rated at 140,000 BTU/h input in dimensions of 10' x 20' x 8' have adequate combustion air?

To determine whether a mechanical room with appliances rated at 140,000 BTU/h input has adequate combustion air, it is crucial to understand the requirements set by codes such as the National Fuel Gas Code.

According to these regulations, for every 1,000 BTU/h of appliance input, a certain amount of combustion air volume is required. In a confined space like this mechanical room, there is a specific calculation that needs to be followed to ensure sufficient combustion air. The total volume of the room is 1,600 cubic feet (10 ft x 20 ft x 8 ft).

For appliances with an input of 140,000 BTU/h, the required combustion air can often exceed the volume available in a typical mechanical room, especially if the room is not specifically designed for combustion air supply. The room's cubic footage alone may not suffice without additional considerations like permanent openings to the outdoors or dedicated combustion air supply systems.

Since the answer indicates that the room does not have adequate combustion air, it aligns with the fact that simply having a volume of space does not mean it fulfills the necessary air requirements for combustion safety. Proper ventilation or additional measures must be in place to ensure compliance with safety standards, ensuring adequate air for the combustion