The article you mentioned consider furnace type btus weighing air supply needs appeared march 4 2004.
Furnace room door requirements.
Cut off the bottom few inches of the door with a circular saw to create a gap that allows air to vent into the furnace room.
Typically for gas furnaces there must be a minimum of 24 front accessibility to the furnace and any access door or panel must have enough clearance space to permit removal of the largest component in the equipment.
Many units are installed in garages or attics where there is enough room to fit the unit in a corner.
This 32 width applies to all doors leading to that utility room in the path of travel from the top of the basement stairs to the utility room.
But if all you have are crawlspaces then you may be wondering what corner will work for a new furnace system.
An unobstructed working space not less than 30 inches wide and not less than 30 inches high shall be provided along the control side of the equipment when the door of the furnace room is open.
Vented room heaters wall furnaces vented decorative.
Insufficient combustion air need outside air or a full louvered door or a standard door with high and low vents.
Some furnaces allowed off sleeping areas with outside air and solid sealed fireproof door.
The furnace room shall have an opening or door large enough to permit removal of the largest piece of equipment but not less than 20 inches wide.
Apparently not applicable is this instance.
Finishing your basement allows you to convert a little used storage space into space used for another purpose such as an office bedroom or rec room.
Space is one of the most important considerations when installing a new furnace.
The appliance is a direct vent appliance installed in accordance with the conditions of the listing and the manufacturer s instructions.
Rooms or spaces that are not part of the living space of a dwelling unit and that.
Part of this.
Replace the door by reattaching the hinges.
How to enclose a furnace room.
Technically you are correct but it depends on the type of furnace in this room i e is it a gravity warm air furnace draft hood or fan assisted or a direct vent appliance which brings fresh air back into the home.
Unscrew the hinges from the furnace room door with a screwdriver.
Furnace utility room any door leading to a utility room furnace hot water tank or laundry room must be a minimum 32 x 78 door.