Boiler Room Ventilation Calculator
Calculate required combustion air openings per NFPA 54 and building codes.
Boiler Room Ventilation Calculator
Calculate required combustion air openings per NFPA 54 and the International Fuel Gas Code. Adequate combustion air prevents incomplete combustion, carbon monoxide buildup, and equipment damage.
Include all gas-fired appliances in the boiler room (boilers, water heaters, unit heaters).
Confined = less than 50 cu ft per 1,000 BTU/hr of total input.