What is the minimum volume of indoor combustion air required per 1,000 btu/h of appliance input rating?

The minimum volume of indoor combustion air required per 1,000 BTU/h of appliance input rating is 50 cubic feet. This requirement is based on regulations concerning proper ventilation for combustion appliances to ensure safety and efficient operation. Proper air supply is crucial for the combustion process, as insufficient air can lead to incomplete burning of fuel, potentially causing the production of carbon monoxide or other harmful byproducts.

The standard guidelines typically stipulate that for every 1,000 BTU per hour of input, a minimum of 50 cubic feet is necessary. This ensures that appliances have adequate air to support complete combustion, thus enhancing safety and efficiency. Recognizing the significance of proper ventilation helps maintain indoor air quality and prevents hazardous conditions.