Furnace rooms are typically small to save space elsewhere in the home.
Furnace room ventilation requirements ontario.
The ontario building code ventilation of rooms and spaces 9 32 1 3.
A furnace room is an enclosed space in a home or basement that houses appliances such as the furnace dryer washing machine water heater and air conditioner.
Make each vent one square inch in size for every 1 000 btu hr.
On july 1 2017 sentence 9 32 1 3 1 of division b of the regulation is amended by striking out dwelling unit and substituting.
This means that a typical furnace of 100 000 btu hr.
American gas association has certified the design of condensing furnaces for a minimum of 0 clearance from combustible materials with a single wall plastic vent pipe.
However without adequate ventilation the appliances inside won t be able to function properly.
The article you mentioned consider furnace type btus weighing air supply needs appeared march 4 2004.
Would require two louvres 10 by 10 inch each.
Input of your furnace.